5235:
4851:
5230:{\displaystyle \cos {\frac {\hat {\gamma }}{2}}+\sin {\frac {\hat {\gamma }}{2}}{\mathsf {C}}=\left(\cos {\frac {\hat {\beta }}{2}}\cos {\frac {\hat {\alpha }}{2}}-\sin {\frac {\hat {\beta }}{2}}\sin {\frac {\hat {\alpha }}{2}}{\mathsf {B}}\cdot {\mathsf {A}}\right)+\left(\sin {\frac {\hat {\beta }}{2}}\cos {\frac {\hat {\alpha }}{2}}{\mathsf {B}}+\sin {\frac {\hat {\alpha }}{2}}\cos {\frac {\hat {\beta }}{2}}{\mathsf {A}}+\sin {\frac {\hat {\beta }}{2}}\sin {\frac {\hat {\alpha }}{2}}{\mathsf {B}}\times {\mathsf {A}}\right).}
5661:
8579:
10566:
4840:
5407:
8021:
1251:
6435:
6080:
5656:{\displaystyle \tan {\frac {\hat {\gamma }}{2}}{\mathsf {C}}={\frac {\tan {\frac {\hat {\beta }}{2}}{\mathsf {B}}+\tan {\frac {\hat {\alpha }}{2}}{\mathsf {A}}+\tan {\frac {\hat {\beta }}{2}}\tan {\frac {\hat {\alpha }}{2}}{\mathsf {B}}\times {\mathsf {A}}}{1-\tan {\frac {\hat {\beta }}{2}}\tan {\frac {\hat {\alpha }}{2}}{\mathsf {B}}\cdot {\mathsf {A}}}}.}
4619:
2005:
5396:
20:
8574:{\displaystyle R={\begin{pmatrix}r_{w}^{2}+r_{x}^{2}-r_{y}^{2}-r_{z}^{2}&2r_{x}r_{y}-2r_{w}r_{z}&2r_{x}r_{z}+2r_{w}r_{y}\\2r_{x}r_{y}+2r_{w}r_{z}&r_{w}^{2}-r_{x}^{2}+r_{y}^{2}-r_{z}^{2}&2r_{y}r_{z}-2r_{w}r_{x}\\2r_{x}r_{z}-2r_{w}r_{y}&2r_{y}r_{z}+2r_{w}r_{x}&r_{w}^{2}-r_{x}^{2}-r_{y}^{2}+r_{z}^{2}\\\end{pmatrix}}.}
973:
6091:
5736:
4596:
693:
7045:
7527:
100:
in three dimensions. Since the space of dual quaternions is 8-dimensional and a rigid transformation has six real degrees of freedom, three for translations and three for rotations, dual quaternions obeying two algebraic constraints are used in this application. Since unit quaternions are subject
3446:
9575:
Rodrigues, O. (1840), Des lois géométriques qui régissent les déplacements d’un système solide dans l’espace, et la variation des coordonnées provenant de ses déplacements considérés indépendamment des causes qui peuvent les produire, Journal de Mathématiques Pures et
Appliquées de Liouville 5,
8006:
4835:{\displaystyle {\hat {C}}=\cos {\frac {\hat {\gamma }}{2}}+\sin {\frac {\hat {\gamma }}{2}}{\mathsf {C}}=\left(\cos {\frac {\hat {\beta }}{2}}+\sin {\frac {\hat {\beta }}{2}}{\mathsf {B}}\right)\left(\cos {\frac {\hat {\alpha }}{2}}+\sin {\frac {\hat {\alpha }}{2}}{\mathsf {A}}\right).}
6819:
6643:
1647:
5246:
1636:
1446:
1246:{\displaystyle {\hat {G}}={\hat {A}}{\hat {C}}=({\hat {a}}_{0}+{\mathsf {A}})({\hat {c}}_{0}+{\mathsf {C}})=({\hat {a}}_{0}{\hat {c}}_{0}-{\mathsf {A}}\cdot {\mathsf {C}})+({\hat {c}}_{0}{\mathsf {A}}+{\hat {a}}_{0}{\mathsf {C}}+{\mathsf {A}}\times {\mathsf {C}}).}
6430:{\displaystyle AC=A={\begin{bmatrix}c_{0}&-C_{3}&C_{2}&C_{1}\\C_{3}&c_{0}&-C_{1}&C_{2}\\-C_{2}&C_{1}&c_{0}&C_{3}\\-C_{1}&-C_{2}&-C_{3}&c_{0}\end{bmatrix}}{\begin{Bmatrix}A_{1}\\A_{2}\\A_{3}\\a_{0}\end{Bmatrix}}.}
6075:{\displaystyle AC=C={\begin{bmatrix}a_{0}&A_{3}&-A_{2}&A_{1}\\-A_{3}&a_{0}&A_{1}&A_{2}\\A_{2}&-A_{1}&a_{0}&A_{3}\\-A_{1}&-A_{2}&-A_{3}&a_{0}\end{bmatrix}}{\begin{Bmatrix}C_{1}\\C_{2}\\C_{3}\\c_{0}\end{Bmatrix}}.}
4396:
512:
6945:
4339:
2277:
3064:
7898:
3899:
7671:
2936:
3655:
7351:
3280:
3269:
3169:
7910:
7136:
8669:
5692:
The quaternion product AC is a linear transformation by the operator A of the components of the quaternion C, therefore there is a matrix representation of A operating on the vector formed from the components of C.
2800:
2000:{\displaystyle {\hat {A}}+{\hat {C}}=(A+C,B+D)=(a_{0}+c_{0})+(a_{1}+c_{1})i+(a_{2}+c_{2})j+(a_{3}+c_{3})k+(b_{0}+d_{0})\varepsilon +(b_{1}+d_{1})\varepsilon i+(b_{2}+d_{2})\varepsilon j+(b_{3}+d_{3})\varepsilon k,}
8951:, then the relations defining the dual quaternions are implied by these and vice versa. Second, the dual quaternions are isomorphic to the even part of the Clifford algebra generated by 4 anticommuting elements
6654:
6478:
104:
Similar to the way that rotations in 3D space can be represented by quaternions of unit length, rigid motions in 3D space can be represented by dual quaternions of unit length. This fact is used in theoretical
9121:
5391:{\displaystyle \cos {\frac {\hat {\gamma }}{2}}=\cos {\frac {\hat {\beta }}{2}}\cos {\frac {\hat {\alpha }}{2}}-\sin {\frac {\hat {\beta }}{2}}\sin {\frac {\hat {\alpha }}{2}}{\mathsf {B}}\cdot {\mathsf {A}}}
7770:
3538:
1457:
1267:
5727:. Notice that the components of the vector part of the quaternion are listed first and the scalar is listed last. This is an arbitrary choice, but once this convention is selected we must abide by it.
9154:. Read the article by Joe Rooney linked below for view of a supporter of W.K. Clifford's claim. Since the claims of Clifford and Study are in contention, it is convenient to use the current designation
908:
6918:
2941:
It is useful to introduce the functions Sc(∗) and Vec(∗) that select the scalar and vector parts of a quaternion, or the dual scalar and dual vector parts of a dual quaternion. In particular, if
8730:
2152:
2081:
9756:
7308:
7246:
4591:{\displaystyle {\hat {A}}=\cos({\hat {\alpha }}/2)+\sin({\hat {\alpha }}/2){\mathsf {A}}\quad {\text{and}}\quad {\hat {B}}=\cos({\hat {\beta }}/2)+\sin({\hat {\beta }}/2){\mathsf {B}}.}
315:
9015:
5689:
The matrix representation of the quaternion product is convenient for programming quaternion computations using matrix algebra, which is true for dual quaternion operations as well.
2015:
Multiplication of two dual quaternion follows from the multiplication rules for the quaternion units i, j, k and commutative multiplication by the dual unit ε. In particular, given
6440:
The dual quaternion product ÂĈ = (A, B)(C, D) = (AC, AD+BC) can be formulated as a matrix operation as follows. Assemble the components of Ĉ into the eight dimensional array Ĉ = (C
688:{\displaystyle G=AC=(a_{0}+\mathbf {A} )(c_{0}+\mathbf {C} )=(a_{0}c_{0}-\mathbf {A} \cdot \mathbf {C} )+(c_{0}\mathbf {A} +a_{0}\mathbf {C} +\mathbf {A} \times \mathbf {C} ).}
9421:
Li, Zijia; Schröcker, Hans-Peter; Scharler, Daniel F. (2022-09-07). "A Complete
Characterization of Bounded Motion Polynomials Admitting a Factorization with Linear Factors".
7040:{\displaystyle {\hat {x}}=\mathbf {x} +\varepsilon \mathbf {p} \times \mathbf {x} \quad {\text{and}}\quad {\hat {X}}=\mathbf {X} +\varepsilon \mathbf {P} \times \mathbf {X} .}
4016:
8949:
10063:
8858:
4253:
10378:
10301:
10262:
10224:
10196:
10168:
10140:
10028:
9995:
9967:
9939:
7802:
7579:
3941:
8891:
7550:
7050:
Then the dual quaternion of the displacement of this body transforms Plücker coordinates in the moving frame to Plücker coordinates in the fixed frame by the formula
2163:
2964:
8920:
8809:
8789:
8769:
7340:
4056:
4036:
3961:
9466:
W. R. Hamilton, "On quaternions, or on a new system of imaginaries in algebra," Phil. Mag. 18, installments July 1844 – April 1850, ed. by D. E. Wilkins (2000)
3734:
7810:
7587:
7522:{\displaystyle r=r_{w}+r_{x}i+r_{y}j+r_{z}k=\cos \left({\frac {\theta }{2}}\right)+\sin \left({\frac {\theta }{2}}\right)\left({\vec {a}}\cdot (i,j,k)\right)}
2821:
3549:
3441:{\displaystyle {\hat {A}}{\hat {A}}^{*}=({\hat {a}}_{0}+{\mathsf {A}})({\hat {a}}_{0}-{\mathsf {A}})={\hat {a}}_{0}^{2}+{\mathsf {A}}\cdot {\mathsf {A}}.}
9767:
5670:' formula for the screw axis of a composite displacement defined in terms of the screw axes of the two displacements. He derived this formula in 1840.
8001:{\displaystyle T={\begin{pmatrix}1&0&0&0&\\\Delta x&&&\\\Delta y&&R&\\\Delta z&&&\\\end{pmatrix}}}
3180:
3079:
6648:
As we saw for quaternions, the product ÂĈ can be viewed as the operation of Ĉ on the coordinate vector Â, which means ÂĈ can also be formulated as,
9146:
used and wrote about dual quaternions, at times authors refer to dual quaternions as "Study biquaternions" or "Clifford biquaternions". The latter
7056:
9182:
8590:
6814:{\displaystyle {\hat {A}}{\hat {C}}={\hat {A}}={\begin{bmatrix}C^{-}&0\\D^{-}&C^{-}\end{bmatrix}}{\begin{Bmatrix}A\\B\end{Bmatrix}}.}
6638:{\displaystyle {\hat {A}}{\hat {C}}={\hat {C}}={\begin{bmatrix}A^{+}&0\\B^{+}&A^{+}\end{bmatrix}}{\begin{Bmatrix}C\\D\end{Bmatrix}}.}
2704:
5681:
between the common normals that form the sides of this triangle are directly related to the dual angles of the three spatial displacements.
9023:
3660:
In the context of dual quaternions, the term "conjugate" can be used to mean the quaternion conjugate, dual number conjugate, or both.
1631:{\displaystyle {\hat {C}}=(C,D)=c_{0}+c_{1}i+c_{2}j+c_{3}k+d_{0}\varepsilon +d_{1}\varepsilon i+d_{2}\varepsilon j+d_{3}\varepsilon k,}
1441:{\displaystyle {\hat {A}}=(A,B)=a_{0}+a_{1}i+a_{2}j+a_{3}k+b_{0}\varepsilon +b_{1}\varepsilon i+b_{2}\varepsilon j+b_{3}\varepsilon k,}
408:
A convenient way to work with the quaternion product is to write a quaternion as the sum of a scalar and a vector (strictly speaking a
9842:
9826:
7683:
3469:
7904:
These dual quaternions (or actually their transformations on 3D-vectors) can be represented by the homogeneous transformation matrix
9889:
803:
6863:
9739:
9365:
163:
used Ω with Ω = 0 to generate the dual quaternion algebra. However, his terminology of "octonions" did not stick as today's
10078:
10073:
3717:
Dual quaternions of magnitude 1 are used to represent spatial
Euclidean displacements. Notice that the requirement that
472:
is a three dimensional vector. The vector dot and cross operations can now be used to define the quaternion product of
2092:
2021:
9855:
9788:
A beginners guide to dual-quaternions: What they are, how they work, and how to use them for 3d character hierarchies
9637:
9303:
7260:
9177:
8680:
10033:
9748:
E. Pennestri & R. Stefanelli (2007) Linear
Algebra and Numerical Algorithms Using Dual Numbers, published in
10451:
7266:
10529:
9644:
7147:
246:
10412:
8954:
9882:
4126:
10038:
9798:
D.P. Chevallier (1996) "On the transference principle in kinematics: its various forms and limitations",
9757:
Dual
Quaternions as a Tool for Rigid Body Motion Analysis: A Tutorial with an Application to Biomechanics
9410:, Proc. of the XXIV IEEE Conference on Computer Vision and Pattern Recognition, pp. 2441-2448, June 2011.
81:
and commutes with every element of the algebra. Unlike quaternions, the dual quaternions do not form a
9490:
W. K. Clifford, "Preliminary sketch of bi-quaternions, Proc. London Math. Soc. Vol. 4 (1873) pp. 381–395
9320:
3463:
A second type of conjugate of a dual quaternion is given by taking the dual number conjugate, given by
125:
with coefficients given by (non-zero real norm) dual quaternions have also been used in the context of
4334:{\displaystyle {\hat {S}}=\cos {\frac {\hat {\phi }}{2}}+\sin {\frac {\hat {\phi }}{2}}{\mathsf {S}}.}
3966:
10446:
10402:
8925:
6085:
The product AC can also be viewed as an operation by C on the components of A, in which case we have
10044:
9127:
8814:
10569:
10441:
9143:
190:
called the structure "Study biquaternions", one of three eight-dimensional algebras referred to as
145:
10361:
10284:
10245:
10207:
10179:
10151:
10123:
10011:
9978:
9950:
9922:
9794:. International Conference on Computer Graphics, Visualization and Computer Vision. pp. 1–13.
9405:
3543:
The quaternion and dual number conjugates can be combined into a third form of conjugate given by
9875:
9864:: a standalone open-source library for using dual quaternions within robot modelling and control.
179:
9585:
7778:
7555:
101:
to two algebraic constraints, unit quaternions are standard to represent rigid transformations.
3907:
2272:{\displaystyle {\hat {A}}{\hat {C}}=(A+\varepsilon B)(C+\varepsilon D)=AC+\varepsilon (AD+BC).}
3059:{\displaystyle {\mbox{Sc}}({\hat {A}})={\hat {a}}_{0},{\mbox{Vec}}({\hat {A}})={\mathsf {A}}.}
2698:
The conjugate of a dual quaternion is the extension of the conjugate of a quaternion, that is
10514:
10350:
9670:
8863:
7535:
6837:
that defines the rotation and the vector quaternion constructed from the translation vector
5674:
4145:
A benefit of the dual quaternion formulation of the composition of two spatial displacements
698:
A dual quaternion is usually described as a quaternion with dual numbers as coefficients. A
187:
9392:
Robot
Kinematic Modeling and Control Based on Dual Quaternion Algebra — Part I: Fundamentals
7259:
It might be helpful, especially in rigid body motion, to represent unit dual quaternions as
2293:
This gives us the multiplication table (note the multiplication order is row times column):
10600:
10267:
10000:
4117:
of the dual number ring then consists of numbers not in the ideal. The dual numbers form a
913:
It is convenient to write a dual quaternion as the sum of a dual scalar and a dual vector,
198:
126:
97:
36:
8896:
8:
10595:
10478:
10388:
10345:
10327:
10105:
9607:
9516:
9475:
9192:
4103:
3894:{\displaystyle {\hat {A}}{\hat {A}}^{*}=(A,B)(A^{*},B^{*})=(AA^{*},AB^{*}+BA^{*})=(1,0).}
175:
9604:
Application of quaternion algebra and dual numbers to the analysis of spatial mechanisms
9232:"Dual Quaternion Framework for Modeling of Spacecraft-Mounted Multibody Robotic Systems"
9218:
Application of
Quaternion Algebra and Dual Numbers to the Analysis of Spatial Mechanisms
7893:{\displaystyle {\hat {v}}'={\hat {q}}\cdot {\hat {v}}\cdot {\overline {{\hat {q}}^{*}}}}
7666:{\displaystyle d=0+{\frac {\Delta x}{2}}i+{\frac {\Delta y}{2}}j+{\frac {\Delta z}{2}}k}
10383:
10095:
9805:
M.A. Gungor (2009) "Dual
Lorentzian spherical motions and dual Euler-Savary formulas",
9713:
9686:
9447:
9422:
9371:
9266:
9231:
9151:
8794:
8774:
8754:
7325:
4041:
4021:
3946:
2931:{\displaystyle {\hat {G}}^{*}=({\hat {A}}{\hat {C}})^{*}={\hat {C}}^{*}{\hat {A}}^{*}.}
785:
The result is that a dual quaternion can be written as an ordered pair of quaternions
209:
In order to describe operations with dual quaternions, it is helpful to first consider
4134:
3650:{\displaystyle {\overline {{\hat {A}}^{*}}}=(A^{*},-B^{*})=A^{*}-\varepsilon B^{*}.\!}
10590:
10541:
10504:
10468:
10407:
10393:
10088:
10068:
9735:
9718:
9653:
9633:
9512:
9361:
9346:"Robust kinematic control of manipulator robots using dual quaternion representation"
9299:
9271:
9253:
8012:
160:
110:
19:
10559:
10488:
10463:
10397:
10306:
10272:
10113:
10083:
10005:
9908:
9833:
9813:
9775:
9708:
9698:
9520:
9353:
9261:
9243:
9187:
8748:
8740:
Besides being the tensor product of two
Clifford algebras, the quaternions and the
5667:
153:
82:
9375:
8744:, the dual quaternions have two other formulations in terms of Clifford algebras.
6931:
in a moving body and its coordinates in the fixed frame which is in the direction
51:. Thus, they may be constructed in the same way as the quaternions, except using
10436:
9972:
9786:
9779:
9560:
9293:
9172:
4130:
118:
23:
Plaque on Broom bridge (Dublin) commemorating
Hamilton's invention of quaternions
9390:
3264:{\displaystyle ({\hat {a}}_{0}+{\mathsf {A}})^{*}={\hat {a}}_{0}-{\mathsf {A}}.}
3164:{\displaystyle {\hat {A}}^{*}={\mbox{Sc}}({\hat {A}})-{\mbox{Vec}}({\hat {A}}).}
10483:
10473:
10458:
10277:
10145:
9916:
9687:"3D kinematics using dual quaternions: theory and applications in neuroscience"
9345:
4114:
201:
developed dual vectors and dual quaternions for use in the study of mechanics.
137:
40:
9357:
10584:
10546:
10519:
10428:
9703:
9257:
9248:
4107:
93:
9321:"Dual-Quaternions: From Classical Mechanics to Computer Graphics and Beyond"
7131:{\displaystyle {\hat {X}}={\hat {S}}{\hat {x}}{\overline {{\hat {S}}^{*}}}.}
10509:
10311:
9722:
9666:
9531:
9442:
Huczala, D.; Siegele, J.; Thimm, D.; Pfurner, M.; Schröcker, H.-P. (2024).
9275:
9167:
9139:
8741:
967:. This notation allows us to write the product of two dual quaternions as
964:
191:
171:
48:
1261:
The addition of dual quaternions is defined componentwise so that given,
10335:
10117:
699:
56:
52:
44:
28:
8664:{\displaystyle v={\begin{pmatrix}1\\v_{x}\\v_{y}\\v_{z}\\\end{pmatrix}}}
6853:
k. Using this notation, the dual quaternion for the displacement D=(,
10316:
10173:
5730:
The quaternion product AC can now be represented as the matrix product
4213:
4204:
In general, the dual quaternion associated with a spatial displacement
4172:
4118:
2805:
As with quaternions, the conjugate of the product of dual quaternions,
2795:{\displaystyle {\hat {A}}^{*}=(A^{*},B^{*})=A^{*}+\varepsilon B^{*}.\!}
210:
141:
122:
106:
9344:
Figueredo, L.F.C.; Adorno, B.V.; Ishihara, J.Y.; Borges, G.A. (2013).
4122:
89:
4129:. Dual quaternions have been used to exhibit transformations in the
797:. Two dual quaternions add componentwise and multiply by the rule,
10424:
10355:
10201:
9659:
Joe Rooney (2007) "William Kingdon Clifford", in Marco Ceccarelli,
9656:, Department of Design and Innovation, the Open University, London.
9618:
9452:
9427:
7141:
Using the matrix form of the dual quaternion product this becomes,
409:
164:
59:
as coefficients. A dual quaternion can be represented in the form
9768:
Linear Dual Algebra Algorithms and their Application to Kinematics
7552:
is the angle of rotation about the direction given by unit vector
7254:
9944:
9867:
9116:{\displaystyle e_{1}^{2}=e_{2}^{2}=e_{3}^{2}=-1,\,\,e_{4}^{2}=0.}
77:
are ordinary quaternions and ε is the dual unit, which satisfies
9861:
7765:{\displaystyle {\hat {v}}:=1+\varepsilon (v_{x}i+v_{y}j+v_{z}k)}
5684:
3533:{\displaystyle {\overline {\hat {A}}}=(A,-B)=A-\varepsilon B.\!}
148:
obtained a broad generalization of these numbers that he called
9898:
9147:
4243:
the slide along this axis, which defines the displacement
4121:
since there is a unique maximal ideal. The group of units is a
717:. Two dual numbers add componentwise and multiply by the rule
9685:
Leclercq, Guillaume; Lefevre, Philippe; Blohm, Gunnar (2013).
9549:
Screw calculus and some applications to geometry and mechanics
9408:
Multiview Registration via Graph Diffusion of Dual Quaternions
6833:) can be constructed from the quaternion S=cos(φ/2) + sin(φ/2)
216:
A quaternion is a linear combination of the basis elements 1,
9350:
2013 IEEE International Conference on Robotics and Automation
9343:
4140:
405:, which links quaternions to the properties of determinants.
114:
7251:
This calculation is easily managed using matrix operations.
4171:) is that the resulting dual quaternion yields directly the
3724:, introduces two algebraic constraints on the components of
7322:
quaternion is known as the real or rotational part and the
4080:
is not zero, then the inverse dual quaternion is given by
3274:
The product of a dual quaternion with its conjugate yields
2286:
term, because the definition of dual numbers requires that
903:{\displaystyle {\hat {A}}{\hat {C}}=(A,B)(C,D)=(AC,AD+BC).}
9441:
6913:{\displaystyle {\hat {S}}=S+\varepsilon {\frac {1}{2}}DS.}
9629:
4382:
is obtained from the product of the dual quaternions of D
9816:(1958). "Anwendung dualer Quaternionen auf Kinematik".
9732:
Dual-Number Methods in Kinematics, Statics and Dynamics
6923:
Let the Plücker coordinates of a line in the direction
2815:, is the product of their conjugates in reverse order,
9661:
Distinguished figures in mechanism and machine science
9444:
Rational Linkages: From Poses to 3D-printed Prototypes
8605:
8036:
7925:
7342:
quaternion is known as the dual or displacement part.
7263:. As given above a dual quaternion can be written as:
6787:
6730:
6611:
6554:
6361:
6131:
6006:
5776:
3134:
3106:
3019:
2969:
10364:
10287:
10248:
10210:
10182:
10154:
10126:
10047:
10014:
9981:
9953:
9925:
9026:
8957:
8928:
8899:
8866:
8817:
8797:
8777:
8757:
8683:
8593:
8024:
7913:
7813:
7781:
7686:
7590:
7558:
7538:
7354:
7328:
7269:
7150:
7059:
6948:
6866:
6657:
6481:
6094:
5739:
5410:
5249:
4854:
4622:
4399:
4256:
4044:
4024:
3969:
3949:
3910:
3737:
3552:
3472:
3283:
3183:
3082:
2967:
2824:
2707:
2166:
2095:
2024:
1650:
1460:
1270:
976:
806:
515:
249:
9684:
9643:
L. Kavan, S. Collins, C. O'Sullivan, J. Zara (2006)
9517:
Octonions: a development of Clifford's Biquaternions
9420:
5240:Divide both sides of this equation by the identity
10372:
10295:
10256:
10218:
10190:
10162:
10134:
10057:
10022:
9989:
9961:
9933:
9646:Dual Quaternions for Rigid Transformation Blending
9586:Dual Quaternions for Rigid Transformation Blending
9115:
9009:
8943:
8914:
8885:
8852:
8803:
8783:
8763:
8735:
8724:
8663:
8573:
8000:
7892:
7796:
7764:
7665:
7573:
7544:
7521:
7334:
7302:
7240:
7130:
7039:
6912:
6813:
6637:
6429:
6074:
5655:
5390:
5229:
4834:
4590:
4333:
4050:
4030:
4010:
3955:
3935:
3893:
3678:| is computed using the conjugate to compute
3649:
3532:
3440:
3263:
3163:
3058:
2930:
2794:
2271:
2146:
2075:
1999:
1630:
1440:
1245:
902:
687:
309:
7677:The dual-quaternion equivalent of a 3D-vector is
4102:do not have inverses. This subspace is called an
3646:
3529:
2791:
2147:{\displaystyle {\hat {C}}=(C,D)=C+\varepsilon D,}
2076:{\displaystyle {\hat {A}}=(A,B)=A+\varepsilon B,}
178:was ideal for describing the group of motions of
10582:
9230:Valverde, Alfredo; Tsiotras, Panagiotis (2018).
9229:
6824:
9183:Conversion between quaternions and Euler angles
7255:Dual quaternions and 4×4 homogeneous transforms
4247:. The associated dual quaternion is given by,
3700:of the dual quaternion. Dual quaternions with
3069:This allows the definition of the conjugate of
2297:Multiplication table for dual quaternion units
16:Eight-dimensional algebra over the real numbers
9840:. Berlin: Deutscher Verlag der Wissenschaften.
9388:
8747:First, dual quaternions are isomorphic to the
6472:), then ÂĈ is given by the 8x8 matrix product
3963:has magnitude 1, while the second constraint,
766:, where ε is the dual unit that commutes with
752:. Dual numbers are often written in the form
152:, which is an example of what is now called a
9883:
8725:{\displaystyle {\vec {v}}'=T\cdot {\vec {v}}}
5685:Matrix form of dual quaternion multiplication
4175:and dual angle of the composite displacement
4613:has the associated dual quaternion given by
4106:in ring theory. It happens to be the unique
9649:, Technical report, Trinity College Dublin.
9503:, (ed. R. Tucker), London: Macmillan, 1882.
7303:{\displaystyle {\hat {q}}=r+d\varepsilon r}
6829:The dual quaternion of a displacement D=(,
10565:
9890:
9876:
9287:
9285:
7581:. The displacement part can be written as
7241:{\displaystyle {\hat {X}}=^{*}{\hat {x}}.}
5696:Assemble the components of the quaternion
4141:Dual quaternions and spatial displacements
109:(see McCarthy), and in applications to 3D
10366:
10289:
10250:
10212:
10184:
10156:
10128:
10016:
9983:
9955:
9927:
9843:Translation in English by D.H. Delphenich
9827:Translation in English by D.H. Delphenich
9784:
9712:
9702:
9626:An Introduction to Theoretical Kinematics
9613:A.T. Yang (1974) "Calculus of Screws" in
9480:, Longmans, Green & Co., London, 1866
9451:
9426:
9406:A. Torsello, E. Rodolà and A. Albarelli,
9295:An Introduction to Theoretical Kinematics
9265:
9247:
9220:, Ph.D thesis, Columbia University, 1963.
9091:
9090:
4344:Let the composition of the displacement D
310:{\displaystyle i^{2}=j^{2}=k^{2}=ijk=-1.}
9812:
9291:
5673:The three screw axes A, B, and C form a
4133:. A typical element can be written as a
3458:
92:, the dual quaternions are applied as a
18:
9729:
9282:
9010:{\displaystyle e_{1},e_{2},e_{3},e_{4}}
4845:Expand this product in order to obtain
10583:
9818:Annales Academiae Scientiarum Fennicae
9807:European Journal of Mechanics A Solids
9669:(1891) "Von Bewegungen und Umlegung",
8751:generated by 3 anticommuting elements
5642:
5632:
5571:
5561:
5505:
5472:
5436:
5383:
5373:
5214:
5204:
5148:
5092:
5026:
5016:
4906:
4819:
4753:
4689:
4580:
4484:
4323:
3430:
3420:
3380:
3345:
3253:
3211:
3048:
1232:
1222:
1212:
1183:
1148:
1138:
1081:
1046:
9871:
9446:. Advances in Robot Kinematics 2024.
9318:
4601:That is, the composite displacement D
4378:. The screw axis and dual angle of D
9832:
9691:Frontiers in Behavioral Neuroscience
8674:the transformation by T is given by
3696:. This is a dual number called the
10079:Set-theoretically definable numbers
9128:Clifford algebras: dual quaternions
3451:This is a dual scalar which is the
182:. He further developed the idea in
13:
10050:
9897:
9774:, October 2008, pp. 207–229,
9766:E. Pennestri and P. P. Valentini,
9755:E. Pennestri and P. P. Valentini,
9678:
7981:
7964:
7951:
7648:
7627:
7606:
7345:The rotation part can be given by
4098:Thus the elements of the subspace
963:is the dual vector that defines a
395:, we see that this product yields
14:
10612:
9849:
9763:, vol. 57, pp. 187–205, 2010
2010:
10564:
9615:Basic Questions of Design Theory
9178:Quaternions and spatial rotation
7030:
7022:
7011:
6984:
6976:
6965:
4011:{\displaystyle AB^{*}+BA^{*}=0,}
3904:The first of these constraints,
675:
667:
659:
641:
617:
609:
572:
548:
9617:, William R. Spillers, editor,
9579:
9569:
9565:, North Holland Publ. Co., 1979
9554:
9541:
9525:
9506:
9493:
9484:
9469:
9460:
9150:has also been used to refer to
8944:{\displaystyle \varepsilon =ek}
8736:Connection to Clifford algebras
6994:
6988:
4495:
4489:
228:. Hamilton's product rule for
197:In 1895, Russian mathematician
10058:{\displaystyle {\mathcal {P}}}
9435:
9414:
9399:
9389:Vilhena Adorno, Bruno (2017).
9382:
9337:
9312:
9223:
9210:
8853:{\displaystyle i^{2}=j^{2}=-1}
8716:
8691:
7873:
7855:
7840:
7821:
7788:
7759:
7711:
7693:
7565:
7511:
7493:
7484:
7276:
7229:
7214:
7201:
7191:
7188:
7176:
7166:
7157:
7108:
7093:
7081:
7066:
7001:
6955:
6873:
6716:
6707:
6695:
6685:
6676:
6664:
6540:
6531:
6519:
6509:
6500:
6488:
6117:
6104:
5762:
5749:
5620:
5597:
5549:
5526:
5493:
5460:
5424:
5361:
5338:
5312:
5289:
5263:
5192:
5169:
5136:
5113:
5080:
5057:
5004:
4981:
4955:
4932:
4894:
4868:
4807:
4781:
4741:
4715:
4677:
4651:
4629:
4575:
4561:
4552:
4540:
4526:
4517:
4502:
4479:
4465:
4456:
4444:
4430:
4421:
4406:
4311:
4285:
4263:
3885:
3873:
3867:
3819:
3813:
3787:
3784:
3772:
3757:
3744:
3611:
3582:
3562:
3508:
3493:
3480:
3398:
3385:
3363:
3353:
3350:
3328:
3318:
3303:
3290:
3236:
3217:
3194:
3184:
3155:
3149:
3140:
3127:
3121:
3112:
3090:
3040:
3034:
3025:
3003:
2990:
2984:
2975:
2913:
2894:
2875:
2868:
2856:
2847:
2832:
2756:
2730:
2715:
2263:
2245:
2227:
2212:
2209:
2194:
2185:
2173:
2123:
2111:
2102:
2052:
2040:
2031:
1985:
1959:
1947:
1921:
1909:
1883:
1874:
1848:
1839:
1813:
1804:
1778:
1769:
1743:
1737:
1711:
1705:
1681:
1672:
1657:
1488:
1476:
1467:
1298:
1286:
1277:
1237:
1198:
1169:
1159:
1153:
1121:
1102:
1092:
1086:
1064:
1054:
1051:
1029:
1019:
1010:
998:
983:
894:
867:
861:
849:
846:
834:
825:
813:
679:
627:
621:
582:
576:
555:
552:
531:
1:
10413:Plane-based geometric algebra
9198:
6825:More on spatial displacements
5677:and the dual angles at these
4125:and can be studied using the
4110:of the ring of dual numbers.
10373:{\displaystyle \mathbb {S} }
10296:{\displaystyle \mathbb {C} }
10257:{\displaystyle \mathbb {R} }
10219:{\displaystyle \mathbb {O} }
10191:{\displaystyle \mathbb {H} }
10163:{\displaystyle \mathbb {C} }
10135:{\displaystyle \mathbb {R} }
10023:{\displaystyle \mathbb {A} }
9990:{\displaystyle \mathbb {Q} }
9962:{\displaystyle \mathbb {Z} }
9934:{\displaystyle \mathbb {N} }
9800:Mechanism and Machine Theory
9780:10.1007/978-1-4020-8829-2_11
9298:. MIT Press. pp. 62–5.
9236:Frontiers in Robotics and AI
7885:
7120:
3574:
3485:
2693:
7:
9161:
3672:of a dual quaternion |
1256:
204:
10:
10617:
9838:Kinematik und Quaternionen
9133:
7797:{\displaystyle {\hat {q}}}
7775:and its transformation by
7574:{\displaystyle {\vec {a}}}
7318:are both quaternions. The
4239:is the rotation about and
4212:) is constructed from its
4076:is a dual quaternion, and
4061:
132:
35:are an 8-dimensional real
10555:
10497:
10423:
10403:Algebra of physical space
10325:
10233:
10104:
9906:
9750:Multibody System Dynamics
9551:, Annal. Imp. Univ. Kazan
9358:10.1109/ICRA.2013.6630836
3936:{\displaystyle AA^{*}=1,}
2650:
2609:
2568:
2530:
2483:
2436:
2389:
2345:
2337:
2331:
2325:
2322:
2317:
2312:
2307:
2304:
2301:
10459:Extended complex numbers
10442:Extended natural numbers
9704:10.3389/fnbeh.2013.00007
9654:William Kingdon Clifford
9561:O. Bottema and B. Roth,
9547:A. P. Kotelnikov (1895)
9292:McCarthy, J. M. (1990).
9249:10.3389/frobt.2018.00128
9144:William Kingdon Clifford
3455:of the dual quaternion.
2282:Notice that there is no
9856:Dual quaternion toolbox
9785:Kenwright, Ben (2012).
9478:Elements of Quaternions
8886:{\displaystyle e^{2}=0}
7545:{\displaystyle \theta }
3663:
180:three-dimensional space
10515:Transcendental numbers
10374:
10351:Hyperbolic quaternions
10297:
10258:
10220:
10192:
10164:
10136:
10059:
10024:
9991:
9963:
9935:
9761:ARCHIWUM BUDOWY MASZYN
9563:Theoretical Kinematics
9352:. pp. 1949–1955.
9117:
9011:
8945:
8916:
8887:
8854:
8805:
8785:
8765:
8726:
8665:
8575:
8002:
7894:
7798:
7766:
7667:
7575:
7546:
7523:
7336:
7304:
7242:
7132:
7041:
6914:
6815:
6639:
6431:
6076:
5657:
5392:
5231:
4836:
4592:
4335:
4227:) and the dual angle (
4052:
4032:
4012:
3957:
3937:
3895:
3651:
3534:
3442:
3265:
3165:
3060:
2932:
2796:
2273:
2148:
2077:
2001:
1632:
1442:
1247:
904:
689:
311:
24:
10447:Extended real numbers
10375:
10298:
10268:Split-complex numbers
10259:
10221:
10193:
10165:
10137:
10060:
10025:
10001:Constructible numbers
9992:
9964:
9936:
9730:Fischer, Ian (1998).
9671:Mathematische Annalen
9624:J.M. McCarthy (1990)
9536:Geometrie der Dynamen
9118:
9012:
8946:
8917:
8888:
8855:
8806:
8786:
8766:
8727:
8666:
8576:
8003:
7895:
7799:
7767:
7668:
7576:
7547:
7524:
7337:
7305:
7243:
7133:
7042:
6915:
6816:
6640:
6432:
6077:
5658:
5393:
5232:
4837:
4593:
4336:
4208: = (,
4100:{ ε q : q ∈ H }
4053:
4033:
4013:
3958:
3938:
3896:
3712:unit dual quaternions
3652:
3535:
3459:Dual number conjugate
3443:
3266:
3166:
3061:
2933:
2797:
2274:
2149:
2078:
2002:
1633:
1443:
1248:
905:
778:and has the property
690:
436:is a real number and
312:
188:B. L. van der Waerden
184:Geometrie der Dynamen
167:are another algebra.
144:in 1843, and by 1873
98:rigid transformations
22:
10479:Supernatural numbers
10389:Multicomplex numbers
10362:
10346:Dual-complex numbers
10285:
10246:
10208:
10180:
10152:
10124:
10106:Composition algebras
10074:Arithmetical numbers
10045:
10012:
9979:
9951:
9923:
9820:. Gesammelte Werke.
9024:
8955:
8926:
8915:{\displaystyle k=ij}
8897:
8864:
8815:
8795:
8775:
8755:
8681:
8591:
8022:
7911:
7811:
7779:
7684:
7588:
7556:
7536:
7352:
7326:
7267:
7261:homogeneous matrices
7148:
7057:
6946:
6864:
6655:
6479:
6092:
5737:
5408:
5247:
4852:
4620:
4397:
4352:be the displacement
4254:
4135:screw transformation
4042:
4022:
3967:
3947:
3908:
3735:
3550:
3470:
3281:
3181:
3080:
2965:
2822:
2705:
2164:
2093:
2022:
1648:
1458:
1268:
974:
804:
513:
247:
240:is often written as
199:Aleksandr Kotelnikov
10384:Split-biquaternions
10096:Eisenstein integers
10034:Closed-form numbers
9858:, a Matlab toolbox.
9621:, pages 266 to 281.
9608:Columbia University
9501:Mathematical Papers
9193:Dual-complex number
9158:to avoid conflict.
9152:split-biquaternions
9106:
9077:
9059:
9041:
8559:
8541:
8523:
8505:
8333:
8315:
8297:
8279:
8107:
8089:
8071:
8053:
4127:exponential mapping
3414:
2298:
702:is an ordered pair
176:associative algebra
174:realized that this
127:mechanical linkages
10542:Profinite integers
10505:Irrational numbers
10370:
10293:
10254:
10216:
10188:
10160:
10132:
10089:Gaussian rationals
10069:Computable numbers
10055:
10020:
9987:
9959:
9931:
9772:Multibody Dynamics
9538:, Teubner, Leipzig
9113:
9092:
9063:
9045:
9027:
9007:
8941:
8912:
8883:
8850:
8801:
8781:
8761:
8722:
8661:
8655:
8584:For the 3D-vector
8571:
8562:
8545:
8527:
8509:
8491:
8319:
8301:
8283:
8265:
8093:
8075:
8057:
8039:
7998:
7992:
7890:
7794:
7762:
7663:
7571:
7542:
7519:
7332:
7300:
7238:
7128:
7037:
6935:through the point
6910:
6811:
6802:
6776:
6635:
6626:
6600:
6427:
6418:
6350:
6072:
6063:
5995:
5653:
5388:
5227:
4832:
4588:
4331:
4048:
4028:
4008:
3953:
3933:
3891:
3647:
3530:
3438:
3391:
3261:
3161:
3138:
3110:
3056:
3023:
2973:
2928:
2792:
2296:
2269:
2144:
2073:
1997:
1628:
1438:
1243:
900:
685:
307:
39:isomorphic to the
25:
10578:
10577:
10489:Superreal numbers
10469:Levi-Civita field
10464:Hyperreal numbers
10408:Spacetime algebra
10394:Geometric algebra
10307:Bicomplex numbers
10273:Split-quaternions
10114:Division algebras
10084:Gaussian integers
10006:Algebraic numbers
9909:definable numbers
9834:Blaschke, Wilhelm
9814:Blaschke, Wilhelm
9741:978-0-8493-9115-6
9628:, pp. 62–5,
9602:A.T. Yang (1963)
9513:Alexander McAulay
9367:978-1-4673-5643-5
9126:For details, see
8804:{\displaystyle e}
8784:{\displaystyle j}
8764:{\displaystyle i}
8719:
8694:
8013:orthogonal matrix
7888:
7876:
7858:
7843:
7824:
7791:
7696:
7658:
7637:
7616:
7568:
7487:
7467:
7440:
7335:{\displaystyle d}
7279:
7232:
7204:
7179:
7160:
7123:
7111:
7096:
7084:
7069:
7004:
6992:
6958:
6899:
6876:
6719:
6698:
6679:
6667:
6543:
6522:
6503:
6491:
5648:
5628:
5623:
5605:
5600:
5557:
5552:
5534:
5529:
5501:
5496:
5468:
5463:
5432:
5427:
5369:
5364:
5346:
5341:
5320:
5315:
5297:
5292:
5271:
5266:
5200:
5195:
5177:
5172:
5144:
5139:
5121:
5116:
5088:
5083:
5065:
5060:
5012:
5007:
4989:
4984:
4963:
4958:
4940:
4935:
4902:
4897:
4876:
4871:
4815:
4810:
4789:
4784:
4749:
4744:
4723:
4718:
4685:
4680:
4659:
4654:
4632:
4564:
4529:
4505:
4493:
4468:
4433:
4409:
4319:
4314:
4293:
4288:
4266:
4051:{\displaystyle B}
4031:{\displaystyle A}
3956:{\displaystyle A}
3760:
3747:
3577:
3565:
3488:
3483:
3453:magnitude squared
3401:
3366:
3331:
3306:
3293:
3239:
3197:
3152:
3137:
3124:
3109:
3093:
3037:
3022:
3006:
2987:
2972:
2916:
2897:
2871:
2859:
2835:
2718:
2691:
2690:
2188:
2176:
2105:
2034:
1675:
1660:
1470:
1280:
1201:
1172:
1124:
1105:
1067:
1032:
1013:
1001:
986:
828:
816:
161:Alexander McAulay
111:computer graphics
10608:
10568:
10567:
10535:
10525:
10437:Cardinal numbers
10398:Clifford algebra
10379:
10377:
10376:
10371:
10369:
10341:Dual quaternions
10302:
10300:
10299:
10294:
10292:
10263:
10261:
10260:
10255:
10253:
10225:
10223:
10222:
10217:
10215:
10197:
10195:
10194:
10189:
10187:
10169:
10167:
10166:
10161:
10159:
10141:
10139:
10138:
10133:
10131:
10064:
10062:
10061:
10056:
10054:
10053:
10029:
10027:
10026:
10021:
10019:
9996:
9994:
9993:
9988:
9986:
9973:Rational numbers
9968:
9966:
9965:
9960:
9958:
9940:
9938:
9937:
9932:
9930:
9892:
9885:
9878:
9869:
9868:
9841:
9825:
9795:
9793:
9745:
9726:
9716:
9706:
9589:
9583:
9577:
9573:
9567:
9558:
9552:
9545:
9539:
9529:
9523:
9521:Internet Archive
9510:
9504:
9499:W. K. Clifford,
9497:
9491:
9488:
9482:
9476:W. R. Hamilton,
9473:
9467:
9464:
9458:
9457:
9455:
9439:
9433:
9432:
9430:
9418:
9412:
9403:
9397:
9396:
9386:
9380:
9379:
9341:
9335:
9334:
9332:
9330:
9325:
9319:Kenwright, Ben.
9316:
9310:
9309:
9289:
9280:
9279:
9269:
9251:
9227:
9221:
9214:
9188:Olinde Rodrigues
9122:
9120:
9119:
9114:
9105:
9100:
9076:
9071:
9058:
9053:
9040:
9035:
9016:
9014:
9013:
9008:
9006:
9005:
8993:
8992:
8980:
8979:
8967:
8966:
8950:
8948:
8947:
8942:
8921:
8919:
8918:
8913:
8893:. If we define
8892:
8890:
8889:
8884:
8876:
8875:
8859:
8857:
8856:
8851:
8840:
8839:
8827:
8826:
8810:
8808:
8807:
8802:
8790:
8788:
8787:
8782:
8770:
8768:
8767:
8762:
8749:Clifford algebra
8731:
8729:
8728:
8723:
8721:
8720:
8712:
8700:
8696:
8695:
8687:
8670:
8668:
8667:
8662:
8660:
8659:
8652:
8651:
8638:
8637:
8624:
8623:
8580:
8578:
8577:
8572:
8567:
8566:
8558:
8553:
8540:
8535:
8522:
8517:
8504:
8499:
8488:
8487:
8478:
8477:
8462:
8461:
8452:
8451:
8437:
8436:
8427:
8426:
8411:
8410:
8401:
8400:
8384:
8383:
8374:
8373:
8358:
8357:
8348:
8347:
8332:
8327:
8314:
8309:
8296:
8291:
8278:
8273:
8262:
8261:
8252:
8251:
8236:
8235:
8226:
8225:
8209:
8208:
8199:
8198:
8183:
8182:
8173:
8172:
8158:
8157:
8148:
8147:
8132:
8131:
8122:
8121:
8106:
8101:
8088:
8083:
8070:
8065:
8052:
8047:
8007:
8005:
8004:
7999:
7997:
7996:
7990:
7989:
7988:
7977:
7971:
7960:
7959:
7958:
7947:
7899:
7897:
7896:
7891:
7889:
7884:
7883:
7878:
7877:
7869:
7865:
7860:
7859:
7851:
7845:
7844:
7836:
7830:
7826:
7825:
7817:
7803:
7801:
7800:
7795:
7793:
7792:
7784:
7771:
7769:
7768:
7763:
7755:
7754:
7739:
7738:
7723:
7722:
7698:
7697:
7689:
7672:
7670:
7669:
7664:
7659:
7654:
7646:
7638:
7633:
7625:
7617:
7612:
7604:
7580:
7578:
7577:
7572:
7570:
7569:
7561:
7551:
7549:
7548:
7543:
7528:
7526:
7525:
7520:
7518:
7514:
7489:
7488:
7480:
7472:
7468:
7460:
7445:
7441:
7433:
7415:
7414:
7399:
7398:
7383:
7382:
7370:
7369:
7341:
7339:
7338:
7333:
7309:
7307:
7306:
7301:
7281:
7280:
7272:
7247:
7245:
7244:
7239:
7234:
7233:
7225:
7222:
7221:
7212:
7211:
7206:
7205:
7197:
7187:
7186:
7181:
7180:
7172:
7162:
7161:
7153:
7137:
7135:
7134:
7129:
7124:
7119:
7118:
7113:
7112:
7104:
7100:
7098:
7097:
7089:
7086:
7085:
7077:
7071:
7070:
7062:
7046:
7044:
7043:
7038:
7033:
7025:
7014:
7006:
7005:
6997:
6993:
6990:
6987:
6979:
6968:
6960:
6959:
6951:
6927:through a point
6919:
6917:
6916:
6911:
6900:
6892:
6878:
6877:
6869:
6841:, given by D = d
6820:
6818:
6817:
6812:
6807:
6806:
6781:
6780:
6773:
6772:
6761:
6760:
6742:
6741:
6721:
6720:
6712:
6706:
6705:
6700:
6699:
6691:
6681:
6680:
6672:
6669:
6668:
6660:
6644:
6642:
6641:
6636:
6631:
6630:
6605:
6604:
6597:
6596:
6585:
6584:
6566:
6565:
6545:
6544:
6536:
6530:
6529:
6524:
6523:
6515:
6505:
6504:
6496:
6493:
6492:
6484:
6436:
6434:
6433:
6428:
6423:
6422:
6415:
6414:
6401:
6400:
6387:
6386:
6373:
6372:
6355:
6354:
6347:
6346:
6335:
6334:
6320:
6319:
6305:
6304:
6288:
6287:
6276:
6275:
6264:
6263:
6252:
6251:
6235:
6234:
6223:
6222:
6208:
6207:
6196:
6195:
6182:
6181:
6170:
6169:
6158:
6157:
6143:
6142:
6116:
6115:
6081:
6079:
6078:
6073:
6068:
6067:
6060:
6059:
6046:
6045:
6032:
6031:
6018:
6017:
6000:
5999:
5992:
5991:
5980:
5979:
5965:
5964:
5950:
5949:
5933:
5932:
5921:
5920:
5909:
5908:
5894:
5893:
5880:
5879:
5868:
5867:
5856:
5855:
5844:
5843:
5827:
5826:
5815:
5814:
5800:
5799:
5788:
5787:
5761:
5760:
5726:
5706:
5675:spatial triangle
5662:
5660:
5659:
5654:
5649:
5647:
5646:
5645:
5636:
5635:
5629:
5624:
5616:
5614:
5606:
5601:
5593:
5591:
5576:
5575:
5574:
5565:
5564:
5558:
5553:
5545:
5543:
5535:
5530:
5522:
5520:
5509:
5508:
5502:
5497:
5489:
5487:
5476:
5475:
5469:
5464:
5456:
5454:
5445:
5440:
5439:
5433:
5428:
5420:
5418:
5397:
5395:
5394:
5389:
5387:
5386:
5377:
5376:
5370:
5365:
5357:
5355:
5347:
5342:
5334:
5332:
5321:
5316:
5308:
5306:
5298:
5293:
5285:
5283:
5272:
5267:
5259:
5257:
5236:
5234:
5233:
5228:
5223:
5219:
5218:
5217:
5208:
5207:
5201:
5196:
5188:
5186:
5178:
5173:
5165:
5163:
5152:
5151:
5145:
5140:
5132:
5130:
5122:
5117:
5109:
5107:
5096:
5095:
5089:
5084:
5076:
5074:
5066:
5061:
5053:
5051:
5035:
5031:
5030:
5029:
5020:
5019:
5013:
5008:
5000:
4998:
4990:
4985:
4977:
4975:
4964:
4959:
4951:
4949:
4941:
4936:
4928:
4926:
4910:
4909:
4903:
4898:
4890:
4888:
4877:
4872:
4864:
4862:
4841:
4839:
4838:
4833:
4828:
4824:
4823:
4822:
4816:
4811:
4803:
4801:
4790:
4785:
4777:
4775:
4762:
4758:
4757:
4756:
4750:
4745:
4737:
4735:
4724:
4719:
4711:
4709:
4693:
4692:
4686:
4681:
4673:
4671:
4660:
4655:
4647:
4645:
4634:
4633:
4625:
4597:
4595:
4594:
4589:
4584:
4583:
4571:
4566:
4565:
4557:
4536:
4531:
4530:
4522:
4507:
4506:
4498:
4494:
4491:
4488:
4487:
4475:
4470:
4469:
4461:
4440:
4435:
4434:
4426:
4411:
4410:
4402:
4340:
4338:
4337:
4332:
4327:
4326:
4320:
4315:
4307:
4305:
4294:
4289:
4281:
4279:
4268:
4267:
4259:
4154: = (,
4101:
4075:
4058:are orthogonal.
4057:
4055:
4054:
4049:
4037:
4035:
4034:
4029:
4017:
4015:
4014:
4009:
3998:
3997:
3982:
3981:
3962:
3960:
3959:
3954:
3942:
3940:
3939:
3934:
3923:
3922:
3900:
3898:
3897:
3892:
3866:
3865:
3850:
3849:
3834:
3833:
3812:
3811:
3799:
3798:
3768:
3767:
3762:
3761:
3753:
3749:
3748:
3740:
3723:
3709:
3707:
3695:
3694:
3693:
3685:
3677:
3656:
3654:
3653:
3648:
3642:
3641:
3626:
3625:
3610:
3609:
3594:
3593:
3578:
3573:
3572:
3567:
3566:
3558:
3554:
3539:
3537:
3536:
3531:
3489:
3484:
3476:
3474:
3447:
3445:
3444:
3439:
3434:
3433:
3424:
3423:
3413:
3408:
3403:
3402:
3394:
3384:
3383:
3374:
3373:
3368:
3367:
3359:
3349:
3348:
3339:
3338:
3333:
3332:
3324:
3314:
3313:
3308:
3307:
3299:
3295:
3294:
3286:
3270:
3268:
3267:
3262:
3257:
3256:
3247:
3246:
3241:
3240:
3232:
3225:
3224:
3215:
3214:
3205:
3204:
3199:
3198:
3190:
3170:
3168:
3167:
3162:
3154:
3153:
3145:
3139:
3135:
3126:
3125:
3117:
3111:
3107:
3101:
3100:
3095:
3094:
3086:
3065:
3063:
3062:
3057:
3052:
3051:
3039:
3038:
3030:
3024:
3020:
3014:
3013:
3008:
3007:
2999:
2989:
2988:
2980:
2974:
2970:
2957:
2937:
2935:
2934:
2929:
2924:
2923:
2918:
2917:
2909:
2905:
2904:
2899:
2898:
2890:
2883:
2882:
2873:
2872:
2864:
2861:
2860:
2852:
2843:
2842:
2837:
2836:
2828:
2814:
2801:
2799:
2798:
2793:
2787:
2786:
2771:
2770:
2755:
2754:
2742:
2741:
2726:
2725:
2720:
2719:
2711:
2299:
2295:
2289:
2278:
2276:
2275:
2270:
2190:
2189:
2181:
2178:
2177:
2169:
2153:
2151:
2150:
2145:
2107:
2106:
2098:
2082:
2080:
2079:
2074:
2036:
2035:
2027:
2006:
2004:
2003:
1998:
1984:
1983:
1971:
1970:
1946:
1945:
1933:
1932:
1908:
1907:
1895:
1894:
1873:
1872:
1860:
1859:
1838:
1837:
1825:
1824:
1803:
1802:
1790:
1789:
1768:
1767:
1755:
1754:
1736:
1735:
1723:
1722:
1677:
1676:
1668:
1662:
1661:
1653:
1637:
1635:
1634:
1629:
1618:
1617:
1599:
1598:
1580:
1579:
1564:
1563:
1548:
1547:
1532:
1531:
1516:
1515:
1503:
1502:
1472:
1471:
1463:
1447:
1445:
1444:
1439:
1428:
1427:
1409:
1408:
1390:
1389:
1374:
1373:
1358:
1357:
1342:
1341:
1326:
1325:
1313:
1312:
1282:
1281:
1273:
1252:
1250:
1249:
1244:
1236:
1235:
1226:
1225:
1216:
1215:
1209:
1208:
1203:
1202:
1194:
1187:
1186:
1180:
1179:
1174:
1173:
1165:
1152:
1151:
1142:
1141:
1132:
1131:
1126:
1125:
1117:
1113:
1112:
1107:
1106:
1098:
1085:
1084:
1075:
1074:
1069:
1068:
1060:
1050:
1049:
1040:
1039:
1034:
1033:
1025:
1015:
1014:
1006:
1003:
1002:
994:
988:
987:
979:
962:
947:
929:
909:
907:
906:
901:
830:
829:
821:
818:
817:
809:
796:
781:
765:
751:
716:
694:
692:
691:
686:
678:
670:
662:
657:
656:
644:
639:
638:
620:
612:
604:
603:
594:
593:
575:
567:
566:
551:
543:
542:
505:
488:
471:
428:
404:
394:
376:
366:
347:
337:
316:
314:
313:
308:
285:
284:
272:
271:
259:
258:
154:Clifford algebra
83:division algebra
80:
68:
33:dual quaternions
10616:
10615:
10611:
10610:
10609:
10607:
10606:
10605:
10581:
10580:
10579:
10574:
10551:
10530:
10520:
10493:
10484:Surreal numbers
10474:Ordinal numbers
10419:
10365:
10363:
10360:
10359:
10321:
10288:
10286:
10283:
10282:
10280:
10278:Split-octonions
10249:
10247:
10244:
10243:
10235:
10229:
10211:
10209:
10206:
10205:
10183:
10181:
10178:
10177:
10155:
10153:
10150:
10149:
10146:Complex numbers
10127:
10125:
10122:
10121:
10100:
10049:
10048:
10046:
10043:
10042:
10015:
10013:
10010:
10009:
9982:
9980:
9977:
9976:
9954:
9952:
9949:
9948:
9926:
9924:
9921:
9920:
9917:Natural numbers
9902:
9896:
9852:
9791:
9742:
9681:
9679:Further reading
9676:
9606:, Ph.D thesis,
9593:
9592:
9584:
9580:
9574:
9570:
9559:
9555:
9546:
9542:
9530:
9526:
9511:
9507:
9498:
9494:
9489:
9485:
9474:
9470:
9465:
9461:
9440:
9436:
9419:
9415:
9404:
9400:
9387:
9383:
9368:
9342:
9338:
9328:
9326:
9323:
9317:
9313:
9306:
9290:
9283:
9228:
9224:
9215:
9211:
9201:
9173:Rational motion
9164:
9156:dual quaternion
9136:
9101:
9096:
9072:
9067:
9054:
9049:
9036:
9031:
9025:
9022:
9021:
9001:
8997:
8988:
8984:
8975:
8971:
8962:
8958:
8956:
8953:
8952:
8927:
8924:
8923:
8898:
8895:
8894:
8871:
8867:
8865:
8862:
8861:
8835:
8831:
8822:
8818:
8816:
8813:
8812:
8796:
8793:
8792:
8776:
8773:
8772:
8756:
8753:
8752:
8738:
8711:
8710:
8686:
8685:
8684:
8682:
8679:
8678:
8654:
8653:
8647:
8643:
8640:
8639:
8633:
8629:
8626:
8625:
8619:
8615:
8612:
8611:
8601:
8600:
8592:
8589:
8588:
8561:
8560:
8554:
8549:
8536:
8531:
8518:
8513:
8500:
8495:
8489:
8483:
8479:
8473:
8469:
8457:
8453:
8447:
8443:
8438:
8432:
8428:
8422:
8418:
8406:
8402:
8396:
8392:
8386:
8385:
8379:
8375:
8369:
8365:
8353:
8349:
8343:
8339:
8334:
8328:
8323:
8310:
8305:
8292:
8287:
8274:
8269:
8263:
8257:
8253:
8247:
8243:
8231:
8227:
8221:
8217:
8211:
8210:
8204:
8200:
8194:
8190:
8178:
8174:
8168:
8164:
8159:
8153:
8149:
8143:
8139:
8127:
8123:
8117:
8113:
8108:
8102:
8097:
8084:
8079:
8066:
8061:
8048:
8043:
8032:
8031:
8023:
8020:
8019:
7991:
7987:
7978:
7976:
7970:
7961:
7957:
7948:
7946:
7941:
7936:
7931:
7921:
7920:
7912:
7909:
7908:
7879:
7868:
7867:
7866:
7864:
7850:
7849:
7835:
7834:
7816:
7815:
7814:
7812:
7809:
7808:
7783:
7782:
7780:
7777:
7776:
7750:
7746:
7734:
7730:
7718:
7714:
7688:
7687:
7685:
7682:
7681:
7647:
7645:
7626:
7624:
7605:
7603:
7589:
7586:
7585:
7560:
7559:
7557:
7554:
7553:
7537:
7534:
7533:
7479:
7478:
7477:
7473:
7459:
7455:
7432:
7428:
7410:
7406:
7394:
7390:
7378:
7374:
7365:
7361:
7353:
7350:
7349:
7327:
7324:
7323:
7271:
7270:
7268:
7265:
7264:
7257:
7224:
7223:
7217:
7213:
7207:
7196:
7195:
7194:
7182:
7171:
7170:
7169:
7152:
7151:
7149:
7146:
7145:
7114:
7103:
7102:
7101:
7099:
7088:
7087:
7076:
7075:
7061:
7060:
7058:
7055:
7054:
7029:
7021:
7010:
6996:
6995:
6989:
6983:
6975:
6964:
6950:
6949:
6947:
6944:
6943:
6891:
6868:
6867:
6865:
6862:
6861:
6852:
6848:
6844:
6827:
6801:
6800:
6794:
6793:
6783:
6782:
6775:
6774:
6768:
6764:
6762:
6756:
6752:
6749:
6748:
6743:
6737:
6733:
6726:
6725:
6711:
6710:
6701:
6690:
6689:
6688:
6671:
6670:
6659:
6658:
6656:
6653:
6652:
6625:
6624:
6618:
6617:
6607:
6606:
6599:
6598:
6592:
6588:
6586:
6580:
6576:
6573:
6572:
6567:
6561:
6557:
6550:
6549:
6535:
6534:
6525:
6514:
6513:
6512:
6495:
6494:
6483:
6482:
6480:
6477:
6476:
6471:
6467:
6463:
6459:
6455:
6451:
6447:
6443:
6417:
6416:
6410:
6406:
6403:
6402:
6396:
6392:
6389:
6388:
6382:
6378:
6375:
6374:
6368:
6364:
6357:
6356:
6349:
6348:
6342:
6338:
6336:
6330:
6326:
6321:
6315:
6311:
6306:
6300:
6296:
6290:
6289:
6283:
6279:
6277:
6271:
6267:
6265:
6259:
6255:
6253:
6247:
6243:
6237:
6236:
6230:
6226:
6224:
6218:
6214:
6209:
6203:
6199:
6197:
6191:
6187:
6184:
6183:
6177:
6173:
6171:
6165:
6161:
6159:
6153:
6149:
6144:
6138:
6134:
6127:
6126:
6111:
6107:
6093:
6090:
6089:
6062:
6061:
6055:
6051:
6048:
6047:
6041:
6037:
6034:
6033:
6027:
6023:
6020:
6019:
6013:
6009:
6002:
6001:
5994:
5993:
5987:
5983:
5981:
5975:
5971:
5966:
5960:
5956:
5951:
5945:
5941:
5935:
5934:
5928:
5924:
5922:
5916:
5912:
5910:
5904:
5900:
5895:
5889:
5885:
5882:
5881:
5875:
5871:
5869:
5863:
5859:
5857:
5851:
5847:
5845:
5839:
5835:
5829:
5828:
5822:
5818:
5816:
5810:
5806:
5801:
5795:
5791:
5789:
5783:
5779:
5772:
5771:
5756:
5752:
5738:
5735:
5734:
5724:
5720:
5716:
5712:
5708:
5707:into the array
5701:
5697:
5687:
5641:
5640:
5631:
5630:
5615:
5613:
5592:
5590:
5577:
5570:
5569:
5560:
5559:
5544:
5542:
5521:
5519:
5504:
5503:
5488:
5486:
5471:
5470:
5455:
5453:
5446:
5444:
5435:
5434:
5419:
5417:
5409:
5406:
5405:
5382:
5381:
5372:
5371:
5356:
5354:
5333:
5331:
5307:
5305:
5284:
5282:
5258:
5256:
5248:
5245:
5244:
5213:
5212:
5203:
5202:
5187:
5185:
5164:
5162:
5147:
5146:
5131:
5129:
5108:
5106:
5091:
5090:
5075:
5073:
5052:
5050:
5043:
5039:
5025:
5024:
5015:
5014:
4999:
4997:
4976:
4974:
4950:
4948:
4927:
4925:
4918:
4914:
4905:
4904:
4889:
4887:
4863:
4861:
4853:
4850:
4849:
4818:
4817:
4802:
4800:
4776:
4774:
4767:
4763:
4752:
4751:
4736:
4734:
4710:
4708:
4701:
4697:
4688:
4687:
4672:
4670:
4646:
4644:
4624:
4623:
4621:
4618:
4617:
4612:
4608:
4604:
4579:
4578:
4567:
4556:
4555:
4532:
4521:
4520:
4497:
4496:
4490:
4483:
4482:
4471:
4460:
4459:
4436:
4425:
4424:
4401:
4400:
4398:
4395:
4394:
4389:
4385:
4381:
4377:
4369:
4360:
4351:
4347:
4322:
4321:
4306:
4304:
4280:
4278:
4258:
4257:
4255:
4252:
4251:
4200:
4192:
4183:
4167: = (,
4166:
4153:
4143:
4131:Euclidean group
4099:
4067:
4064:
4043:
4040:
4039:
4023:
4020:
4019:
3993:
3989:
3977:
3973:
3968:
3965:
3964:
3948:
3945:
3944:
3918:
3914:
3909:
3906:
3905:
3861:
3857:
3845:
3841:
3829:
3825:
3807:
3803:
3794:
3790:
3763:
3752:
3751:
3750:
3739:
3738:
3736:
3733:
3732:
3718:
3703:
3701:
3689:
3687:
3681:
3679:
3673:
3666:
3637:
3633:
3621:
3617:
3605:
3601:
3589:
3585:
3568:
3557:
3556:
3555:
3553:
3551:
3548:
3547:
3475:
3473:
3471:
3468:
3467:
3461:
3429:
3428:
3419:
3418:
3409:
3404:
3393:
3392:
3379:
3378:
3369:
3358:
3357:
3356:
3344:
3343:
3334:
3323:
3322:
3321:
3309:
3298:
3297:
3296:
3285:
3284:
3282:
3279:
3278:
3252:
3251:
3242:
3231:
3230:
3229:
3220:
3216:
3210:
3209:
3200:
3189:
3188:
3187:
3182:
3179:
3178:
3144:
3143:
3133:
3116:
3115:
3105:
3096:
3085:
3084:
3083:
3081:
3078:
3077:
3047:
3046:
3029:
3028:
3018:
3009:
2998:
2997:
2996:
2979:
2978:
2968:
2966:
2963:
2962:
2952:
2942:
2919:
2908:
2907:
2906:
2900:
2889:
2888:
2887:
2878:
2874:
2863:
2862:
2851:
2850:
2838:
2827:
2826:
2825:
2823:
2820:
2819:
2806:
2782:
2778:
2766:
2762:
2750:
2746:
2737:
2733:
2721:
2710:
2709:
2708:
2706:
2703:
2702:
2696:
2302:(Row x Column)
2287:
2180:
2179:
2168:
2167:
2165:
2162:
2161:
2097:
2096:
2094:
2091:
2090:
2026:
2025:
2023:
2020:
2019:
2013:
1979:
1975:
1966:
1962:
1941:
1937:
1928:
1924:
1903:
1899:
1890:
1886:
1868:
1864:
1855:
1851:
1833:
1829:
1820:
1816:
1798:
1794:
1785:
1781:
1763:
1759:
1750:
1746:
1731:
1727:
1718:
1714:
1667:
1666:
1652:
1651:
1649:
1646:
1645:
1613:
1609:
1594:
1590:
1575:
1571:
1559:
1555:
1543:
1539:
1527:
1523:
1511:
1507:
1498:
1494:
1462:
1461:
1459:
1456:
1455:
1423:
1419:
1404:
1400:
1385:
1381:
1369:
1365:
1353:
1349:
1337:
1333:
1321:
1317:
1308:
1304:
1272:
1271:
1269:
1266:
1265:
1259:
1231:
1230:
1221:
1220:
1211:
1210:
1204:
1193:
1192:
1191:
1182:
1181:
1175:
1164:
1163:
1162:
1147:
1146:
1137:
1136:
1127:
1116:
1115:
1114:
1108:
1097:
1096:
1095:
1080:
1079:
1070:
1059:
1058:
1057:
1045:
1044:
1035:
1024:
1023:
1022:
1005:
1004:
993:
992:
978:
977:
975:
972:
971:
949:
937:
931:
924:
914:
820:
819:
808:
807:
805:
802:
801:
786:
779:
753:
718:
703:
674:
666:
658:
652:
648:
640:
634:
630:
616:
608:
599:
595:
589:
585:
571:
562:
558:
547:
538:
534:
514:
511:
510:
500:
490:
483:
473:
467:
457:
447:
437:
435:
423:
413:
396:
378:
368:
349:
339:
321:
280:
276:
267:
263:
254:
250:
248:
245:
244:
207:
135:
119:computer vision
78:
60:
17:
12:
11:
5:
10614:
10604:
10603:
10598:
10593:
10576:
10575:
10573:
10572:
10562:
10560:Classification
10556:
10553:
10552:
10550:
10549:
10547:Normal numbers
10544:
10539:
10517:
10512:
10507:
10501:
10499:
10495:
10494:
10492:
10491:
10486:
10481:
10476:
10471:
10466:
10461:
10456:
10455:
10454:
10444:
10439:
10433:
10431:
10429:infinitesimals
10421:
10420:
10418:
10417:
10416:
10415:
10410:
10405:
10391:
10386:
10381:
10368:
10353:
10348:
10343:
10338:
10332:
10330:
10323:
10322:
10320:
10319:
10314:
10309:
10304:
10291:
10275:
10270:
10265:
10252:
10239:
10237:
10231:
10230:
10228:
10227:
10214:
10199:
10186:
10171:
10158:
10143:
10130:
10110:
10108:
10102:
10101:
10099:
10098:
10093:
10092:
10091:
10081:
10076:
10071:
10066:
10052:
10036:
10031:
10018:
10003:
9998:
9985:
9970:
9957:
9942:
9929:
9913:
9911:
9904:
9903:
9895:
9894:
9887:
9880:
9872:
9866:
9865:
9859:
9851:
9850:External links
9848:
9847:
9846:
9830:
9810:
9803:
9796:
9782:
9764:
9753:
9752:18(3):323–349.
9746:
9740:
9727:
9680:
9677:
9675:
9674:
9664:
9657:
9650:
9641:
9622:
9611:
9599:
9591:
9590:
9578:
9568:
9553:
9540:
9524:
9505:
9492:
9483:
9468:
9459:
9434:
9413:
9398:
9381:
9366:
9336:
9311:
9304:
9281:
9222:
9208:
9207:
9200:
9197:
9196:
9195:
9190:
9185:
9180:
9175:
9170:
9163:
9160:
9135:
9132:
9124:
9123:
9112:
9109:
9104:
9099:
9095:
9089:
9086:
9083:
9080:
9075:
9070:
9066:
9062:
9057:
9052:
9048:
9044:
9039:
9034:
9030:
9004:
9000:
8996:
8991:
8987:
8983:
8978:
8974:
8970:
8965:
8961:
8940:
8937:
8934:
8931:
8911:
8908:
8905:
8902:
8882:
8879:
8874:
8870:
8849:
8846:
8843:
8838:
8834:
8830:
8825:
8821:
8800:
8780:
8760:
8737:
8734:
8733:
8732:
8718:
8715:
8709:
8706:
8703:
8699:
8693:
8690:
8672:
8671:
8658:
8650:
8646:
8642:
8641:
8636:
8632:
8628:
8627:
8622:
8618:
8614:
8613:
8610:
8607:
8606:
8604:
8599:
8596:
8582:
8581:
8570:
8565:
8557:
8552:
8548:
8544:
8539:
8534:
8530:
8526:
8521:
8516:
8512:
8508:
8503:
8498:
8494:
8490:
8486:
8482:
8476:
8472:
8468:
8465:
8460:
8456:
8450:
8446:
8442:
8439:
8435:
8431:
8425:
8421:
8417:
8414:
8409:
8405:
8399:
8395:
8391:
8388:
8387:
8382:
8378:
8372:
8368:
8364:
8361:
8356:
8352:
8346:
8342:
8338:
8335:
8331:
8326:
8322:
8318:
8313:
8308:
8304:
8300:
8295:
8290:
8286:
8282:
8277:
8272:
8268:
8264:
8260:
8256:
8250:
8246:
8242:
8239:
8234:
8230:
8224:
8220:
8216:
8213:
8212:
8207:
8203:
8197:
8193:
8189:
8186:
8181:
8177:
8171:
8167:
8163:
8160:
8156:
8152:
8146:
8142:
8138:
8135:
8130:
8126:
8120:
8116:
8112:
8109:
8105:
8100:
8096:
8092:
8087:
8082:
8078:
8074:
8069:
8064:
8060:
8056:
8051:
8046:
8042:
8038:
8037:
8035:
8030:
8027:
8011:where the 3×3
8009:
8008:
7995:
7986:
7983:
7980:
7979:
7975:
7972:
7969:
7966:
7963:
7962:
7956:
7953:
7950:
7949:
7945:
7942:
7940:
7937:
7935:
7932:
7930:
7927:
7926:
7924:
7919:
7916:
7902:
7901:
7887:
7882:
7875:
7872:
7863:
7857:
7854:
7848:
7842:
7839:
7833:
7829:
7823:
7820:
7790:
7787:
7773:
7772:
7761:
7758:
7753:
7749:
7745:
7742:
7737:
7733:
7729:
7726:
7721:
7717:
7713:
7710:
7707:
7704:
7701:
7695:
7692:
7675:
7674:
7662:
7657:
7653:
7650:
7644:
7641:
7636:
7632:
7629:
7623:
7620:
7615:
7611:
7608:
7602:
7599:
7596:
7593:
7567:
7564:
7541:
7530:
7529:
7517:
7513:
7510:
7507:
7504:
7501:
7498:
7495:
7492:
7486:
7483:
7476:
7471:
7466:
7463:
7458:
7454:
7451:
7448:
7444:
7439:
7436:
7431:
7427:
7424:
7421:
7418:
7413:
7409:
7405:
7402:
7397:
7393:
7389:
7386:
7381:
7377:
7373:
7368:
7364:
7360:
7357:
7331:
7299:
7296:
7293:
7290:
7287:
7284:
7278:
7275:
7256:
7253:
7249:
7248:
7237:
7231:
7228:
7220:
7216:
7210:
7203:
7200:
7193:
7190:
7185:
7178:
7175:
7168:
7165:
7159:
7156:
7139:
7138:
7127:
7122:
7117:
7110:
7107:
7095:
7092:
7083:
7080:
7074:
7068:
7065:
7048:
7047:
7036:
7032:
7028:
7024:
7020:
7017:
7013:
7009:
7003:
7000:
6986:
6982:
6978:
6974:
6971:
6967:
6963:
6957:
6954:
6921:
6920:
6909:
6906:
6903:
6898:
6895:
6890:
6887:
6884:
6881:
6875:
6872:
6857:) is given by
6850:
6846:
6842:
6826:
6823:
6822:
6821:
6810:
6805:
6799:
6796:
6795:
6792:
6789:
6788:
6786:
6779:
6771:
6767:
6763:
6759:
6755:
6751:
6750:
6747:
6744:
6740:
6736:
6732:
6731:
6729:
6724:
6718:
6715:
6709:
6704:
6697:
6694:
6687:
6684:
6678:
6675:
6666:
6663:
6646:
6645:
6634:
6629:
6623:
6620:
6619:
6616:
6613:
6612:
6610:
6603:
6595:
6591:
6587:
6583:
6579:
6575:
6574:
6571:
6568:
6564:
6560:
6556:
6555:
6553:
6548:
6542:
6539:
6533:
6528:
6521:
6518:
6511:
6508:
6502:
6499:
6490:
6487:
6469:
6465:
6461:
6457:
6453:
6449:
6445:
6441:
6438:
6437:
6426:
6421:
6413:
6409:
6405:
6404:
6399:
6395:
6391:
6390:
6385:
6381:
6377:
6376:
6371:
6367:
6363:
6362:
6360:
6353:
6345:
6341:
6337:
6333:
6329:
6325:
6322:
6318:
6314:
6310:
6307:
6303:
6299:
6295:
6292:
6291:
6286:
6282:
6278:
6274:
6270:
6266:
6262:
6258:
6254:
6250:
6246:
6242:
6239:
6238:
6233:
6229:
6225:
6221:
6217:
6213:
6210:
6206:
6202:
6198:
6194:
6190:
6186:
6185:
6180:
6176:
6172:
6168:
6164:
6160:
6156:
6152:
6148:
6145:
6141:
6137:
6133:
6132:
6130:
6125:
6122:
6119:
6114:
6110:
6106:
6103:
6100:
6097:
6083:
6082:
6071:
6066:
6058:
6054:
6050:
6049:
6044:
6040:
6036:
6035:
6030:
6026:
6022:
6021:
6016:
6012:
6008:
6007:
6005:
5998:
5990:
5986:
5982:
5978:
5974:
5970:
5967:
5963:
5959:
5955:
5952:
5948:
5944:
5940:
5937:
5936:
5931:
5927:
5923:
5919:
5915:
5911:
5907:
5903:
5899:
5896:
5892:
5888:
5884:
5883:
5878:
5874:
5870:
5866:
5862:
5858:
5854:
5850:
5846:
5842:
5838:
5834:
5831:
5830:
5825:
5821:
5817:
5813:
5809:
5805:
5802:
5798:
5794:
5790:
5786:
5782:
5778:
5777:
5775:
5770:
5767:
5764:
5759:
5755:
5751:
5748:
5745:
5742:
5722:
5718:
5714:
5710:
5699:
5686:
5683:
5664:
5663:
5652:
5644:
5639:
5634:
5627:
5622:
5619:
5612:
5609:
5604:
5599:
5596:
5589:
5586:
5583:
5580:
5573:
5568:
5563:
5556:
5551:
5548:
5541:
5538:
5533:
5528:
5525:
5518:
5515:
5512:
5507:
5500:
5495:
5492:
5485:
5482:
5479:
5474:
5467:
5462:
5459:
5452:
5449:
5443:
5438:
5431:
5426:
5423:
5416:
5413:
5399:
5398:
5385:
5380:
5375:
5368:
5363:
5360:
5353:
5350:
5345:
5340:
5337:
5330:
5327:
5324:
5319:
5314:
5311:
5304:
5301:
5296:
5291:
5288:
5281:
5278:
5275:
5270:
5265:
5262:
5255:
5252:
5238:
5237:
5226:
5222:
5216:
5211:
5206:
5199:
5194:
5191:
5184:
5181:
5176:
5171:
5168:
5161:
5158:
5155:
5150:
5143:
5138:
5135:
5128:
5125:
5120:
5115:
5112:
5105:
5102:
5099:
5094:
5087:
5082:
5079:
5072:
5069:
5064:
5059:
5056:
5049:
5046:
5042:
5038:
5034:
5028:
5023:
5018:
5011:
5006:
5003:
4996:
4993:
4988:
4983:
4980:
4973:
4970:
4967:
4962:
4957:
4954:
4947:
4944:
4939:
4934:
4931:
4924:
4921:
4917:
4913:
4908:
4901:
4896:
4893:
4886:
4883:
4880:
4875:
4870:
4867:
4860:
4857:
4843:
4842:
4831:
4827:
4821:
4814:
4809:
4806:
4799:
4796:
4793:
4788:
4783:
4780:
4773:
4770:
4766:
4761:
4755:
4748:
4743:
4740:
4733:
4730:
4727:
4722:
4717:
4714:
4707:
4704:
4700:
4696:
4691:
4684:
4679:
4676:
4669:
4666:
4663:
4658:
4653:
4650:
4643:
4640:
4637:
4631:
4628:
4610:
4606:
4602:
4599:
4598:
4587:
4582:
4577:
4574:
4570:
4563:
4560:
4554:
4551:
4548:
4545:
4542:
4539:
4535:
4528:
4525:
4519:
4516:
4513:
4510:
4504:
4501:
4486:
4481:
4478:
4474:
4467:
4464:
4458:
4455:
4452:
4449:
4446:
4443:
4439:
4432:
4429:
4423:
4420:
4417:
4414:
4408:
4405:
4387:
4383:
4379:
4373:
4365:
4356:
4349:
4345:
4342:
4341:
4330:
4325:
4318:
4313:
4310:
4303:
4300:
4297:
4292:
4287:
4284:
4277:
4274:
4271:
4265:
4262:
4219: = (
4196:
4188:
4179:
4162:
4149:
4142:
4139:
4115:group of units
4096:
4095:
4063:
4060:
4047:
4027:
4007:
4004:
4001:
3996:
3992:
3988:
3985:
3980:
3976:
3972:
3952:
3932:
3929:
3926:
3921:
3917:
3913:
3902:
3901:
3890:
3887:
3884:
3881:
3878:
3875:
3872:
3869:
3864:
3860:
3856:
3853:
3848:
3844:
3840:
3837:
3832:
3828:
3824:
3821:
3818:
3815:
3810:
3806:
3802:
3797:
3793:
3789:
3786:
3783:
3780:
3777:
3774:
3771:
3766:
3759:
3756:
3746:
3743:
3665:
3662:
3658:
3657:
3645:
3640:
3636:
3632:
3629:
3624:
3620:
3616:
3613:
3608:
3604:
3600:
3597:
3592:
3588:
3584:
3581:
3576:
3571:
3564:
3561:
3541:
3540:
3528:
3525:
3522:
3519:
3516:
3513:
3510:
3507:
3504:
3501:
3498:
3495:
3492:
3487:
3482:
3479:
3460:
3457:
3449:
3448:
3437:
3432:
3427:
3422:
3417:
3412:
3407:
3400:
3397:
3390:
3387:
3382:
3377:
3372:
3365:
3362:
3355:
3352:
3347:
3342:
3337:
3330:
3327:
3320:
3317:
3312:
3305:
3302:
3292:
3289:
3272:
3271:
3260:
3255:
3250:
3245:
3238:
3235:
3228:
3223:
3219:
3213:
3208:
3203:
3196:
3193:
3186:
3172:
3171:
3160:
3157:
3151:
3148:
3142:
3132:
3129:
3123:
3120:
3114:
3104:
3099:
3092:
3089:
3067:
3066:
3055:
3050:
3045:
3042:
3036:
3033:
3027:
3017:
3012:
3005:
3002:
2995:
2992:
2986:
2983:
2977:
2950:
2939:
2938:
2927:
2922:
2915:
2912:
2903:
2896:
2893:
2886:
2881:
2877:
2870:
2867:
2858:
2855:
2849:
2846:
2841:
2834:
2831:
2803:
2802:
2790:
2785:
2781:
2777:
2774:
2769:
2765:
2761:
2758:
2753:
2749:
2745:
2740:
2736:
2732:
2729:
2724:
2717:
2714:
2695:
2692:
2689:
2688:
2685:
2682:
2679:
2676:
2673:
2667:
2661:
2655:
2648:
2647:
2644:
2641:
2638:
2635:
2629:
2626:
2620:
2614:
2607:
2606:
2603:
2600:
2597:
2594:
2588:
2582:
2579:
2573:
2566:
2565:
2562:
2559:
2556:
2553:
2547:
2541:
2535:
2532:
2528:
2527:
2524:
2518:
2512:
2506:
2503:
2497:
2492:
2487:
2481:
2480:
2474:
2471:
2465:
2459:
2454:
2451:
2445:
2440:
2434:
2433:
2427:
2421:
2418:
2412:
2406:
2401:
2398:
2393:
2387:
2386:
2380:
2374:
2368:
2365:
2360:
2355:
2350:
2347:
2343:
2342:
2336:
2330:
2324:
2321:
2316:
2311:
2306:
2303:
2280:
2279:
2268:
2265:
2262:
2259:
2256:
2253:
2250:
2247:
2244:
2241:
2238:
2235:
2232:
2229:
2226:
2223:
2220:
2217:
2214:
2211:
2208:
2205:
2202:
2199:
2196:
2193:
2187:
2184:
2175:
2172:
2155:
2154:
2143:
2140:
2137:
2134:
2131:
2128:
2125:
2122:
2119:
2116:
2113:
2110:
2104:
2101:
2084:
2083:
2072:
2069:
2066:
2063:
2060:
2057:
2054:
2051:
2048:
2045:
2042:
2039:
2033:
2030:
2012:
2011:Multiplication
2009:
2008:
2007:
1996:
1993:
1990:
1987:
1982:
1978:
1974:
1969:
1965:
1961:
1958:
1955:
1952:
1949:
1944:
1940:
1936:
1931:
1927:
1923:
1920:
1917:
1914:
1911:
1906:
1902:
1898:
1893:
1889:
1885:
1882:
1879:
1876:
1871:
1867:
1863:
1858:
1854:
1850:
1847:
1844:
1841:
1836:
1832:
1828:
1823:
1819:
1815:
1812:
1809:
1806:
1801:
1797:
1793:
1788:
1784:
1780:
1777:
1774:
1771:
1766:
1762:
1758:
1753:
1749:
1745:
1742:
1739:
1734:
1730:
1726:
1721:
1717:
1713:
1710:
1707:
1704:
1701:
1698:
1695:
1692:
1689:
1686:
1683:
1680:
1674:
1671:
1665:
1659:
1656:
1639:
1638:
1627:
1624:
1621:
1616:
1612:
1608:
1605:
1602:
1597:
1593:
1589:
1586:
1583:
1578:
1574:
1570:
1567:
1562:
1558:
1554:
1551:
1546:
1542:
1538:
1535:
1530:
1526:
1522:
1519:
1514:
1510:
1506:
1501:
1497:
1493:
1490:
1487:
1484:
1481:
1478:
1475:
1469:
1466:
1449:
1448:
1437:
1434:
1431:
1426:
1422:
1418:
1415:
1412:
1407:
1403:
1399:
1396:
1393:
1388:
1384:
1380:
1377:
1372:
1368:
1364:
1361:
1356:
1352:
1348:
1345:
1340:
1336:
1332:
1329:
1324:
1320:
1316:
1311:
1307:
1303:
1300:
1297:
1294:
1291:
1288:
1285:
1279:
1276:
1258:
1255:
1254:
1253:
1242:
1239:
1234:
1229:
1224:
1219:
1214:
1207:
1200:
1197:
1190:
1185:
1178:
1171:
1168:
1161:
1158:
1155:
1150:
1145:
1140:
1135:
1130:
1123:
1120:
1111:
1104:
1101:
1094:
1091:
1088:
1083:
1078:
1073:
1066:
1063:
1056:
1053:
1048:
1043:
1038:
1031:
1028:
1021:
1018:
1012:
1009:
1000:
997:
991:
985:
982:
935:
922:
911:
910:
899:
896:
893:
890:
887:
884:
881:
878:
875:
872:
869:
866:
863:
860:
857:
854:
851:
848:
845:
842:
839:
836:
833:
827:
824:
815:
812:
696:
695:
684:
681:
677:
673:
669:
665:
661:
655:
651:
647:
643:
637:
633:
629:
626:
623:
619:
615:
611:
607:
602:
598:
592:
588:
584:
581:
578:
574:
570:
565:
561:
557:
554:
550:
546:
541:
537:
533:
530:
527:
524:
521:
518:
498:
481:
465:
455:
445:
433:
421:
377:. Now because
318:
317:
306:
303:
300:
297:
294:
291:
288:
283:
279:
275:
270:
266:
262:
257:
253:
206:
203:
146:W. K. Clifford
138:W. R. Hamilton
134:
131:
41:tensor product
15:
9:
6:
4:
3:
2:
10613:
10602:
10599:
10597:
10594:
10592:
10589:
10588:
10586:
10571:
10563:
10561:
10558:
10557:
10554:
10548:
10545:
10543:
10540:
10537:
10533:
10527:
10523:
10518:
10516:
10513:
10511:
10510:Fuzzy numbers
10508:
10506:
10503:
10502:
10500:
10496:
10490:
10487:
10485:
10482:
10480:
10477:
10475:
10472:
10470:
10467:
10465:
10462:
10460:
10457:
10453:
10450:
10449:
10448:
10445:
10443:
10440:
10438:
10435:
10434:
10432:
10430:
10426:
10422:
10414:
10411:
10409:
10406:
10404:
10401:
10400:
10399:
10395:
10392:
10390:
10387:
10385:
10382:
10357:
10354:
10352:
10349:
10347:
10344:
10342:
10339:
10337:
10334:
10333:
10331:
10329:
10324:
10318:
10315:
10313:
10312:Biquaternions
10310:
10308:
10305:
10279:
10276:
10274:
10271:
10269:
10266:
10241:
10240:
10238:
10232:
10203:
10200:
10175:
10172:
10147:
10144:
10119:
10115:
10112:
10111:
10109:
10107:
10103:
10097:
10094:
10090:
10087:
10086:
10085:
10082:
10080:
10077:
10075:
10072:
10070:
10067:
10040:
10037:
10035:
10032:
10007:
10004:
10002:
9999:
9974:
9971:
9946:
9943:
9918:
9915:
9914:
9912:
9910:
9905:
9900:
9893:
9888:
9886:
9881:
9879:
9874:
9873:
9870:
9863:
9860:
9857:
9854:
9853:
9844:
9839:
9835:
9831:
9828:
9823:
9819:
9815:
9811:
9808:
9804:
9801:
9797:
9790:
9789:
9783:
9781:
9777:
9773:
9769:
9765:
9762:
9758:
9754:
9751:
9747:
9743:
9737:
9734:. CRC Press.
9733:
9728:
9724:
9720:
9715:
9710:
9705:
9700:
9696:
9692:
9688:
9683:
9682:
9672:
9668:
9665:
9662:
9658:
9655:
9651:
9648:
9647:
9642:
9639:
9638:0-262-13252-4
9635:
9631:
9627:
9623:
9620:
9616:
9612:
9609:
9605:
9601:
9600:
9598:
9597:
9587:
9582:
9572:
9566:
9564:
9557:
9550:
9544:
9537:
9533:
9528:
9522:
9518:
9514:
9509:
9502:
9496:
9487:
9481:
9479:
9472:
9463:
9454:
9449:
9445:
9438:
9429:
9424:
9417:
9411:
9409:
9402:
9394:
9393:
9385:
9377:
9373:
9369:
9363:
9359:
9355:
9351:
9347:
9340:
9322:
9315:
9307:
9305:9780262132527
9301:
9297:
9296:
9288:
9286:
9277:
9273:
9268:
9263:
9259:
9255:
9250:
9245:
9241:
9237:
9233:
9226:
9219:
9213:
9209:
9206:
9205:
9194:
9191:
9189:
9186:
9184:
9181:
9179:
9176:
9174:
9171:
9169:
9166:
9165:
9159:
9157:
9153:
9149:
9145:
9141:
9131:
9129:
9110:
9107:
9102:
9097:
9093:
9087:
9084:
9081:
9078:
9073:
9068:
9064:
9060:
9055:
9050:
9046:
9042:
9037:
9032:
9028:
9020:
9019:
9018:
9002:
8998:
8994:
8989:
8985:
8981:
8976:
8972:
8968:
8963:
8959:
8938:
8935:
8932:
8929:
8909:
8906:
8903:
8900:
8880:
8877:
8872:
8868:
8847:
8844:
8841:
8836:
8832:
8828:
8823:
8819:
8798:
8778:
8758:
8750:
8745:
8743:
8713:
8707:
8704:
8701:
8697:
8688:
8677:
8676:
8675:
8656:
8648:
8644:
8634:
8630:
8620:
8616:
8608:
8602:
8597:
8594:
8587:
8586:
8585:
8568:
8563:
8555:
8550:
8546:
8542:
8537:
8532:
8528:
8524:
8519:
8514:
8510:
8506:
8501:
8496:
8492:
8484:
8480:
8474:
8470:
8466:
8463:
8458:
8454:
8448:
8444:
8440:
8433:
8429:
8423:
8419:
8415:
8412:
8407:
8403:
8397:
8393:
8389:
8380:
8376:
8370:
8366:
8362:
8359:
8354:
8350:
8344:
8340:
8336:
8329:
8324:
8320:
8316:
8311:
8306:
8302:
8298:
8293:
8288:
8284:
8280:
8275:
8270:
8266:
8258:
8254:
8248:
8244:
8240:
8237:
8232:
8228:
8222:
8218:
8214:
8205:
8201:
8195:
8191:
8187:
8184:
8179:
8175:
8169:
8165:
8161:
8154:
8150:
8144:
8140:
8136:
8133:
8128:
8124:
8118:
8114:
8110:
8103:
8098:
8094:
8090:
8085:
8080:
8076:
8072:
8067:
8062:
8058:
8054:
8049:
8044:
8040:
8033:
8028:
8025:
8018:
8017:
8016:
8014:
7993:
7984:
7973:
7967:
7954:
7943:
7938:
7933:
7928:
7922:
7917:
7914:
7907:
7906:
7905:
7880:
7870:
7861:
7852:
7846:
7837:
7831:
7827:
7818:
7807:
7806:
7805:
7785:
7756:
7751:
7747:
7743:
7740:
7735:
7731:
7727:
7724:
7719:
7715:
7708:
7705:
7702:
7699:
7690:
7680:
7679:
7678:
7660:
7655:
7651:
7642:
7639:
7634:
7630:
7621:
7618:
7613:
7609:
7600:
7597:
7594:
7591:
7584:
7583:
7582:
7562:
7539:
7515:
7508:
7505:
7502:
7499:
7496:
7490:
7481:
7474:
7469:
7464:
7461:
7456:
7452:
7449:
7446:
7442:
7437:
7434:
7429:
7425:
7422:
7419:
7416:
7411:
7407:
7403:
7400:
7395:
7391:
7387:
7384:
7379:
7375:
7371:
7366:
7362:
7358:
7355:
7348:
7347:
7346:
7343:
7329:
7321:
7317:
7313:
7297:
7294:
7291:
7288:
7285:
7282:
7273:
7262:
7252:
7235:
7226:
7218:
7208:
7198:
7183:
7173:
7163:
7154:
7144:
7143:
7142:
7125:
7115:
7105:
7090:
7078:
7072:
7063:
7053:
7052:
7051:
7034:
7026:
7018:
7015:
7007:
6998:
6980:
6972:
6969:
6961:
6952:
6942:
6941:
6940:
6939:be given by,
6938:
6934:
6930:
6926:
6907:
6904:
6901:
6896:
6893:
6888:
6885:
6882:
6879:
6870:
6860:
6859:
6858:
6856:
6840:
6836:
6832:
6808:
6803:
6797:
6790:
6784:
6777:
6769:
6765:
6757:
6753:
6745:
6738:
6734:
6727:
6722:
6713:
6702:
6692:
6682:
6673:
6661:
6651:
6650:
6649:
6632:
6627:
6621:
6614:
6608:
6601:
6593:
6589:
6581:
6577:
6569:
6562:
6558:
6551:
6546:
6537:
6526:
6516:
6506:
6497:
6485:
6475:
6474:
6473:
6424:
6419:
6411:
6407:
6397:
6393:
6383:
6379:
6369:
6365:
6358:
6351:
6343:
6339:
6331:
6327:
6323:
6316:
6312:
6308:
6301:
6297:
6293:
6284:
6280:
6272:
6268:
6260:
6256:
6248:
6244:
6240:
6231:
6227:
6219:
6215:
6211:
6204:
6200:
6192:
6188:
6178:
6174:
6166:
6162:
6154:
6150:
6146:
6139:
6135:
6128:
6123:
6120:
6112:
6108:
6101:
6098:
6095:
6088:
6087:
6086:
6069:
6064:
6056:
6052:
6042:
6038:
6028:
6024:
6014:
6010:
6003:
5996:
5988:
5984:
5976:
5972:
5968:
5961:
5957:
5953:
5946:
5942:
5938:
5929:
5925:
5917:
5913:
5905:
5901:
5897:
5890:
5886:
5876:
5872:
5864:
5860:
5852:
5848:
5840:
5836:
5832:
5823:
5819:
5811:
5807:
5803:
5796:
5792:
5784:
5780:
5773:
5768:
5765:
5757:
5753:
5746:
5743:
5740:
5733:
5732:
5731:
5728:
5705:
5694:
5690:
5682:
5680:
5676:
5671:
5669:
5650:
5637:
5625:
5617:
5610:
5607:
5602:
5594:
5587:
5584:
5581:
5578:
5566:
5554:
5546:
5539:
5536:
5531:
5523:
5516:
5513:
5510:
5498:
5490:
5483:
5480:
5477:
5465:
5457:
5450:
5447:
5441:
5429:
5421:
5414:
5411:
5404:
5403:
5402:
5378:
5366:
5358:
5351:
5348:
5343:
5335:
5328:
5325:
5322:
5317:
5309:
5302:
5299:
5294:
5286:
5279:
5276:
5273:
5268:
5260:
5253:
5250:
5243:
5242:
5241:
5224:
5220:
5209:
5197:
5189:
5182:
5179:
5174:
5166:
5159:
5156:
5153:
5141:
5133:
5126:
5123:
5118:
5110:
5103:
5100:
5097:
5085:
5077:
5070:
5067:
5062:
5054:
5047:
5044:
5040:
5036:
5032:
5021:
5009:
5001:
4994:
4991:
4986:
4978:
4971:
4968:
4965:
4960:
4952:
4945:
4942:
4937:
4929:
4922:
4919:
4915:
4911:
4899:
4891:
4884:
4881:
4878:
4873:
4865:
4858:
4855:
4848:
4847:
4846:
4829:
4825:
4812:
4804:
4797:
4794:
4791:
4786:
4778:
4771:
4768:
4764:
4759:
4746:
4738:
4731:
4728:
4725:
4720:
4712:
4705:
4702:
4698:
4694:
4682:
4674:
4667:
4664:
4661:
4656:
4648:
4641:
4638:
4635:
4626:
4616:
4615:
4614:
4585:
4572:
4568:
4558:
4549:
4546:
4543:
4537:
4533:
4523:
4514:
4511:
4508:
4499:
4476:
4472:
4462:
4453:
4450:
4447:
4441:
4437:
4427:
4418:
4415:
4412:
4403:
4393:
4392:
4391:
4376:
4372:
4368:
4364:
4361: =
4359:
4355:
4328:
4316:
4308:
4301:
4298:
4295:
4290:
4282:
4275:
4272:
4269:
4260:
4250:
4249:
4248:
4246:
4242:
4238:
4234:
4230:
4226:
4222:
4218:
4215:
4211:
4207:
4202:
4199:
4195:
4191:
4187:
4184: =
4182:
4178:
4174:
4170:
4165:
4161:
4157:
4152:
4148:
4138:
4136:
4132:
4128:
4124:
4120:
4116:
4111:
4109:
4108:maximal ideal
4105:
4093:
4090:
4086:
4083:
4082:
4081:
4079:
4074:
4070:
4059:
4045:
4025:
4018:implies that
4005:
4002:
3999:
3994:
3990:
3986:
3983:
3978:
3974:
3970:
3950:
3943:implies that
3930:
3927:
3924:
3919:
3915:
3911:
3888:
3882:
3879:
3876:
3870:
3862:
3858:
3854:
3851:
3846:
3842:
3838:
3835:
3830:
3826:
3822:
3816:
3808:
3804:
3800:
3795:
3791:
3781:
3778:
3775:
3769:
3764:
3754:
3741:
3731:
3730:
3729:
3727:
3721:
3715:
3713:
3706:
3699:
3692:
3684:
3676:
3671:
3661:
3643:
3638:
3634:
3630:
3627:
3622:
3618:
3614:
3606:
3602:
3598:
3595:
3590:
3586:
3579:
3569:
3559:
3546:
3545:
3544:
3526:
3523:
3520:
3517:
3514:
3511:
3505:
3502:
3499:
3496:
3490:
3477:
3466:
3465:
3464:
3456:
3454:
3435:
3425:
3415:
3410:
3405:
3395:
3388:
3375:
3370:
3360:
3340:
3335:
3325:
3315:
3310:
3300:
3287:
3277:
3276:
3275:
3258:
3248:
3243:
3233:
3226:
3221:
3206:
3201:
3191:
3177:
3176:
3175:
3158:
3146:
3130:
3118:
3102:
3097:
3087:
3076:
3075:
3074:
3072:
3053:
3043:
3031:
3015:
3010:
3000:
2993:
2981:
2961:
2960:
2959:
2956:
2949:
2945:
2925:
2920:
2910:
2901:
2891:
2884:
2879:
2865:
2853:
2844:
2839:
2829:
2818:
2817:
2816:
2813:
2809:
2788:
2783:
2779:
2775:
2772:
2767:
2763:
2759:
2751:
2747:
2743:
2738:
2734:
2727:
2722:
2712:
2701:
2700:
2699:
2686:
2683:
2680:
2677:
2674:
2672:
2668:
2666:
2662:
2660:
2656:
2654:
2649:
2645:
2642:
2639:
2636:
2634:
2630:
2627:
2625:
2621:
2619:
2615:
2613:
2608:
2604:
2601:
2598:
2595:
2593:
2589:
2587:
2583:
2580:
2578:
2574:
2572:
2567:
2563:
2560:
2557:
2554:
2552:
2548:
2546:
2542:
2540:
2536:
2533:
2529:
2525:
2523:
2519:
2517:
2513:
2511:
2507:
2504:
2502:
2498:
2496:
2493:
2491:
2488:
2486:
2482:
2479:
2475:
2472:
2470:
2466:
2464:
2460:
2458:
2455:
2452:
2450:
2446:
2444:
2441:
2439:
2435:
2432:
2428:
2426:
2422:
2419:
2417:
2413:
2411:
2407:
2405:
2402:
2399:
2397:
2394:
2392:
2388:
2385:
2381:
2379:
2375:
2373:
2369:
2366:
2364:
2361:
2359:
2356:
2354:
2351:
2348:
2344:
2341:
2335:
2329:
2320:
2315:
2310:
2300:
2294:
2291:
2285:
2266:
2260:
2257:
2254:
2251:
2248:
2242:
2239:
2236:
2233:
2230:
2224:
2221:
2218:
2215:
2206:
2203:
2200:
2197:
2191:
2182:
2170:
2160:
2159:
2158:
2141:
2138:
2135:
2132:
2129:
2126:
2120:
2117:
2114:
2108:
2099:
2089:
2088:
2087:
2070:
2067:
2064:
2061:
2058:
2055:
2049:
2046:
2043:
2037:
2028:
2018:
2017:
2016:
1994:
1991:
1988:
1980:
1976:
1972:
1967:
1963:
1956:
1953:
1950:
1942:
1938:
1934:
1929:
1925:
1918:
1915:
1912:
1904:
1900:
1896:
1891:
1887:
1880:
1877:
1869:
1865:
1861:
1856:
1852:
1845:
1842:
1834:
1830:
1826:
1821:
1817:
1810:
1807:
1799:
1795:
1791:
1786:
1782:
1775:
1772:
1764:
1760:
1756:
1751:
1747:
1740:
1732:
1728:
1724:
1719:
1715:
1708:
1702:
1699:
1696:
1693:
1690:
1687:
1684:
1678:
1669:
1663:
1654:
1644:
1643:
1642:
1625:
1622:
1619:
1614:
1610:
1606:
1603:
1600:
1595:
1591:
1587:
1584:
1581:
1576:
1572:
1568:
1565:
1560:
1556:
1552:
1549:
1544:
1540:
1536:
1533:
1528:
1524:
1520:
1517:
1512:
1508:
1504:
1499:
1495:
1491:
1485:
1482:
1479:
1473:
1464:
1454:
1453:
1452:
1435:
1432:
1429:
1424:
1420:
1416:
1413:
1410:
1405:
1401:
1397:
1394:
1391:
1386:
1382:
1378:
1375:
1370:
1366:
1362:
1359:
1354:
1350:
1346:
1343:
1338:
1334:
1330:
1327:
1322:
1318:
1314:
1309:
1305:
1301:
1295:
1292:
1289:
1283:
1274:
1264:
1263:
1262:
1240:
1227:
1217:
1205:
1195:
1188:
1176:
1166:
1156:
1143:
1133:
1128:
1118:
1109:
1099:
1089:
1076:
1071:
1061:
1041:
1036:
1026:
1016:
1007:
995:
989:
980:
970:
969:
968:
966:
960:
956:
952:
945:
941:
934:
928:
921:
917:
897:
891:
888:
885:
882:
879:
876:
873:
870:
864:
858:
855:
852:
843:
840:
837:
831:
822:
810:
800:
799:
798:
794:
790:
783:
777:
773:
769:
764:
760:
756:
749:
745:
741:
737:
733:
729:
725:
721:
714:
710:
706:
701:
682:
671:
663:
653:
649:
645:
635:
631:
624:
613:
605:
600:
596:
590:
586:
579:
568:
563:
559:
544:
539:
535:
528:
525:
522:
519:
516:
509:
508:
507:
504:
497:
493:
487:
480:
476:
470:
464:
460:
454:
450:
444:
440:
432:
427:
420:
416:
411:
406:
403:
399:
393:
389:
385:
381:
375:
371:
365:
361:
357:
353:
346:
342:
336:
332:
328:
324:
304:
301:
298:
295:
292:
289:
286:
281:
277:
273:
268:
264:
260:
255:
251:
243:
242:
241:
239:
235:
231:
227:
223:
219:
214:
212:
202:
200:
195:
193:
192:biquaternions
189:
185:
181:
177:
173:
168:
166:
162:
157:
155:
151:
150:biquaternions
147:
143:
139:
130:
128:
124:
120:
116:
112:
108:
102:
99:
96:to represent
95:
94:number system
91:
86:
84:
76:
72:
67:
63:
58:
54:
50:
46:
42:
38:
34:
30:
21:
10531:
10521:
10340:
10336:Dual numbers
10328:hypercomplex
10118:Real numbers
9837:
9821:
9817:
9809:28(4):820–6.
9806:
9802:31(1):57–76.
9799:
9787:
9771:
9760:
9749:
9731:
9694:
9690:
9667:Eduard Study
9660:
9645:
9625:
9614:
9603:
9595:
9594:
9581:
9571:
9562:
9556:
9548:
9543:
9535:
9532:Eduard Study
9527:
9519:, link from
9508:
9500:
9495:
9486:
9477:
9471:
9462:
9443:
9437:
9416:
9407:
9401:
9391:
9384:
9349:
9339:
9329:December 24,
9327:. Retrieved
9314:
9294:
9239:
9235:
9225:
9217:
9212:
9203:
9202:
9168:Screw theory
9155:
9140:Eduard Study
9138:Since both
9137:
9125:
8746:
8742:dual numbers
8739:
8673:
8583:
8015:is given by
8010:
7903:
7804:is given by
7774:
7676:
7531:
7344:
7319:
7315:
7311:
7258:
7250:
7140:
7049:
6936:
6932:
6928:
6924:
6922:
6854:
6838:
6834:
6830:
6828:
6647:
6439:
6084:
5729:
5703:
5695:
5691:
5688:
5678:
5672:
5665:
5400:
5239:
4844:
4600:
4374:
4370:
4366:
4362:
4357:
4353:
4343:
4244:
4240:
4236:
4232:
4228:
4224:
4220:
4216:
4209:
4205:
4203:
4197:
4193:
4189:
4185:
4180:
4176:
4168:
4163:
4159:
4155:
4150:
4146:
4144:
4112:
4097:
4091:
4088:
4084:
4077:
4072:
4068:
4065:
3903:
3725:
3719:
3716:
3711:
3704:
3697:
3690:
3682:
3674:
3669:
3667:
3659:
3542:
3462:
3452:
3450:
3273:
3173:
3070:
3068:
2954:
2947:
2943:
2940:
2811:
2807:
2804:
2697:
2670:
2664:
2658:
2652:
2632:
2623:
2617:
2611:
2591:
2585:
2576:
2570:
2550:
2544:
2538:
2521:
2515:
2509:
2500:
2494:
2489:
2484:
2477:
2468:
2462:
2456:
2448:
2442:
2437:
2430:
2424:
2415:
2409:
2403:
2395:
2390:
2383:
2377:
2371:
2362:
2357:
2352:
2339:
2333:
2327:
2318:
2313:
2308:
2292:
2283:
2281:
2156:
2085:
2014:
1640:
1450:
1260:
958:
954:
950:
943:
939:
932:
926:
919:
915:
912:
792:
788:
784:
775:
771:
767:
762:
758:
754:
747:
743:
739:
735:
731:
727:
723:
719:
712:
708:
704:
697:
502:
495:
491:
485:
478:
474:
468:
462:
458:
452:
448:
442:
438:
430:
425:
418:
414:
407:
401:
397:
391:
387:
383:
379:
373:
369:
363:
359:
355:
351:
344:
340:
338:, to obtain
334:
330:
326:
322:
319:
237:
233:
229:
225:
221:
217:
215:
208:
196:
183:
172:Eduard Study
169:
158:
149:
136:
103:
87:
74:
70:
65:
61:
57:real numbers
53:dual numbers
49:dual numbers
32:
26:
10601:Quaternions
10498:Other types
10317:Bioctonions
10174:Quaternions
9663:, Springer.
9652:Joe Rooney
9216:A.T. Yang,
4390:, given by
700:dual number
412:), that is
211:quaternions
142:quaternions
140:introduced
123:Polynomials
55:instead of
45:quaternions
29:mathematics
10596:Kinematics
10585:Categories
10452:Projective
10425:Infinities
9862:DQrobotics
9453:2403.00558
9428:2209.02306
9199:References
5401:to obtain
4214:screw axis
4173:screw axis
4119:local ring
3728:, that is
3708:| = 1
186:in 1901.
107:kinematics
10536:solenoids
10356:Sedenions
10202:Octonions
9258:2296-9144
9082:−
8930:ε
8845:−
8717:→
8708:⋅
8692:→
8525:−
8507:−
8413:−
8360:−
8317:−
8281:−
8134:−
8091:−
8073:−
7982:Δ
7965:Δ
7952:Δ
7886:¯
7881:∗
7874:^
7862:⋅
7856:^
7847:⋅
7841:^
7822:^
7789:^
7709:ε
7694:^
7649:Δ
7628:Δ
7607:Δ
7566:→
7540:θ
7491:⋅
7485:→
7462:θ
7453:
7435:θ
7426:
7295:ε
7277:^
7230:^
7219:∗
7209:−
7202:^
7177:^
7158:^
7121:¯
7116:∗
7109:^
7094:^
7082:^
7067:^
7027:×
7019:ε
7002:^
6981:×
6973:ε
6956:^
6889:ε
6874:^
6770:−
6758:−
6739:−
6717:^
6703:−
6696:^
6677:^
6665:^
6541:^
6520:^
6501:^
6489:^
6324:−
6309:−
6294:−
6241:−
6212:−
6147:−
6113:−
5969:−
5954:−
5939:−
5898:−
5833:−
5804:−
5668:Rodrigues
5638:⋅
5621:^
5618:α
5611:
5598:^
5595:β
5588:
5582:−
5567:×
5550:^
5547:α
5540:
5527:^
5524:β
5517:
5494:^
5491:α
5484:
5461:^
5458:β
5451:
5425:^
5422:γ
5415:
5379:⋅
5362:^
5359:α
5352:
5339:^
5336:β
5329:
5323:−
5313:^
5310:α
5303:
5290:^
5287:β
5280:
5264:^
5261:γ
5254:
5210:×
5193:^
5190:α
5183:
5170:^
5167:β
5160:
5137:^
5134:β
5127:
5114:^
5111:α
5104:
5081:^
5078:α
5071:
5058:^
5055:β
5048:
5022:⋅
5005:^
5002:α
4995:
4982:^
4979:β
4972:
4966:−
4956:^
4953:α
4946:
4933:^
4930:β
4923:
4895:^
4892:γ
4885:
4869:^
4866:γ
4859:
4808:^
4805:α
4798:
4782:^
4779:α
4772:
4742:^
4739:β
4732:
4716:^
4713:β
4706:
4678:^
4675:γ
4668:
4652:^
4649:γ
4642:
4630:^
4562:^
4559:β
4550:
4527:^
4524:β
4515:
4503:^
4466:^
4463:α
4454:
4431:^
4428:α
4419:
4407:^
4312:^
4309:ϕ
4302:
4286:^
4283:ϕ
4276:
4264:^
4123:Lie group
3995:∗
3979:∗
3920:∗
3863:∗
3847:∗
3831:∗
3809:∗
3796:∗
3765:∗
3758:^
3745:^
3698:magnitude
3686:| =
3639:∗
3631:ε
3628:−
3623:∗
3607:∗
3599:−
3591:∗
3575:¯
3570:∗
3563:^
3521:ε
3518:−
3503:−
3486:¯
3481:^
3426:⋅
3399:^
3376:−
3364:^
3329:^
3311:∗
3304:^
3291:^
3249:−
3237:^
3222:∗
3195:^
3150:^
3131:−
3122:^
3098:∗
3091:^
3035:^
3004:^
2985:^
2921:∗
2914:^
2902:∗
2895:^
2880:∗
2869:^
2857:^
2840:∗
2833:^
2784:∗
2776:ε
2768:∗
2752:∗
2739:∗
2723:∗
2716:^
2694:Conjugate
2243:ε
2222:ε
2204:ε
2186:^
2174:^
2136:ε
2103:^
2065:ε
2032:^
1989:ε
1951:ε
1913:ε
1878:ε
1673:^
1658:^
1620:ε
1601:ε
1582:ε
1566:ε
1468:^
1430:ε
1411:ε
1392:ε
1376:ε
1278:^
1228:×
1199:^
1170:^
1144:⋅
1134:−
1122:^
1103:^
1065:^
1030:^
1011:^
999:^
984:^
826:^
814:^
672:×
614:⋅
606:−
302:−
165:octonions
90:mechanics
10591:Machines
9945:Integers
9907:Sets of
9723:23443667
9619:Elsevier
9576:380–440.
9276:33501006
9162:See also
8698:′
7828:′
5679:vertices
5666:This is
4235:) where
1257:Addition
930:, where
429:, where
410:bivector
320:Compute
205:Formulas
170:In 1891
159:In 1898
129:design.
115:robotics
69:, where
47:and the
10526:numbers
10358: (
10204: (
10176: (
10148: (
10120: (
10041: (
10039:Periods
10008: (
9975: (
9947: (
9919: (
9901:systems
9824:: 1–13.
9714:3576712
9673:39:520.
9596:Sources
9588:, p. 4.
9534:(1901)
9515:(1898)
9267:7805728
9242:: 128.
9134:Eponyms
4231:,
4223:,
4087:(1 − ε
4062:Inverse
3688:√
2958:, then
133:History
43:of the
37:algebra
10326:Other
9899:Number
9738:
9721:
9711:
9636:
9632:Press
9376:531000
9374:
9364:
9302:
9274:
9264:
9256:
9148:eponym
7532:where
7310:where
5709:C = (C
4348:with D
4158:) and
3702:|
3680:|
348:, and
236:, and
224:, and
31:, the
10534:-adic
10524:-adic
10281:Over
10242:Over
10236:types
10234:Split
9792:(PDF)
9697:: 7.
9448:arXiv
9423:arXiv
9372:S2CID
9324:(PDF)
9204:Notes
9017:with
8811:with
6849:j + d
6845:i + d
5698:C = c
4386:and D
4104:ideal
3174:or,
2288:ε = 0
2157:then
1641:then
965:screw
780:ε = 0
738:) = (
352:i j k
329:) = −
327:i j k
79:ε = 0
10570:List
10427:and
9736:ISBN
9719:PMID
9634:ISBN
9362:ISBN
9331:2022
9300:ISBN
9272:PMID
9254:ISSN
9142:and
8922:and
8860:and
7314:and
4113:The
4071:+ ε
4038:and
3710:are
3670:norm
3668:The
3664:Norm
2086:and
1451:and
953:= (
948:and
938:= (
730:) (
722:= (
707:= (
489:and
386:) =
117:and
73:and
9776:doi
9709:PMC
9699:doi
9630:MIT
9354:doi
9262:PMC
9244:doi
7450:sin
7423:cos
6991:and
6468:, d
6464:, D
6460:, D
6456:, D
6452:, c
6448:, C
6444:, C
5721:, c
5717:, C
5713:, C
5608:tan
5585:tan
5537:tan
5514:tan
5481:tan
5448:tan
5412:tan
5349:sin
5326:sin
5300:cos
5277:cos
5251:cos
5180:sin
5157:sin
5124:cos
5101:sin
5068:cos
5045:sin
4992:sin
4969:sin
4943:cos
4920:cos
4882:sin
4856:cos
4795:sin
4769:cos
4729:sin
4703:cos
4665:sin
4639:cos
4547:sin
4512:cos
4492:and
4451:sin
4416:cos
4299:sin
4273:cos
4066:If
3722:= 1
3720:Â Â
3691:Â Â
3136:Vec
3073:as
3021:Vec
2526:−ε
761:+ ε
748:b c
744:a d
740:a c
720:â ĉ
506:as
402:j i
400:= −
398:i j
390:= −
388:j i
384:j k
370:i j
367:or
362:= −
360:i j
358:= −
341:j k
333:= −
331:j k
88:In
64:+ ε
27:In
10587::
10116::
9836:.
9770:,
9759:,
9717:.
9707:.
9693:.
9689:.
9370:.
9360:.
9348:.
9284:^
9270:.
9260:.
9252:.
9238:.
9234:.
9130:.
9111:0.
8791:,
8771:,
7700::=
5702:+
4605:=D
4201:.
4137:.
4094:).
3714:.
3108:Sc
2971:Sc
2953:+
2946:=
2812:ÂĈ
2810:=
2687:0
2675:−ε
2669:−ε
2646:0
2628:−ε
2622:−ε
2605:0
2590:−ε
2581:−ε
2564:0
2531:ε
2520:−ε
2505:−1
2473:−ε
2467:−ε
2453:−1
2429:−ε
2420:−ε
2400:−1
2346:1
2323:ε
2305:1
2290:.
2284:BD
957:,
942:,
925:+
918:=
791:,
787:(
782:.
774:,
770:,
757:=
746:+
742:,
734:,
726:,
711:,
501:+
494:=
484:+
477:=
461:+
451:+
441:=
424:+
417:=
382:(
372:=
354:)
350:(
343:=
325:(
305:1.
232:,
220:,
213:.
194:.
156:.
121:.
113:,
85:.
10538:)
10532:p
10528:(
10522:p
10396:/
10380:)
10367:S
10303::
10290:C
10264::
10251:R
10226:)
10213:O
10198:)
10185:H
10170:)
10157:C
10142:)
10129:R
10065:)
10051:P
10030:)
10017:A
9997:)
9984:Q
9969:)
9956:Z
9941:)
9928:N
9891:e
9884:t
9877:v
9845:.
9829:.
9822:2
9778::
9744:.
9725:.
9701::
9695:7
9640:.
9610:.
9456:.
9450::
9431:.
9425::
9395:.
9378:.
9356::
9333:.
9308:.
9278:.
9246::
9240:5
9108:=
9103:2
9098:4
9094:e
9088:,
9085:1
9079:=
9074:2
9069:3
9065:e
9061:=
9056:2
9051:2
9047:e
9043:=
9038:2
9033:1
9029:e
9003:4
8999:e
8995:,
8990:3
8986:e
8982:,
8977:2
8973:e
8969:,
8964:1
8960:e
8939:k
8936:e
8933:=
8910:j
8907:i
8904:=
8901:k
8881:0
8878:=
8873:2
8869:e
8848:1
8842:=
8837:2
8833:j
8829:=
8824:2
8820:i
8799:e
8779:j
8759:i
8714:v
8705:T
8702:=
8689:v
8657:)
8649:z
8645:v
8635:y
8631:v
8621:x
8617:v
8609:1
8603:(
8598:=
8595:v
8569:.
8564:)
8556:2
8551:z
8547:r
8543:+
8538:2
8533:y
8529:r
8520:2
8515:x
8511:r
8502:2
8497:w
8493:r
8485:x
8481:r
8475:w
8471:r
8467:2
8464:+
8459:z
8455:r
8449:y
8445:r
8441:2
8434:y
8430:r
8424:w
8420:r
8416:2
8408:z
8404:r
8398:x
8394:r
8390:2
8381:x
8377:r
8371:w
8367:r
8363:2
8355:z
8351:r
8345:y
8341:r
8337:2
8330:2
8325:z
8321:r
8312:2
8307:y
8303:r
8299:+
8294:2
8289:x
8285:r
8276:2
8271:w
8267:r
8259:z
8255:r
8249:w
8245:r
8241:2
8238:+
8233:y
8229:r
8223:x
8219:r
8215:2
8206:y
8202:r
8196:w
8192:r
8188:2
8185:+
8180:z
8176:r
8170:x
8166:r
8162:2
8155:z
8151:r
8145:w
8141:r
8137:2
8129:y
8125:r
8119:x
8115:r
8111:2
8104:2
8099:z
8095:r
8086:2
8081:y
8077:r
8068:2
8063:x
8059:r
8055:+
8050:2
8045:w
8041:r
8034:(
8029:=
8026:R
7994:)
7985:z
7974:R
7968:y
7955:x
7944:0
7939:0
7934:0
7929:1
7923:(
7918:=
7915:T
7900:.
7871:q
7853:v
7838:q
7832:=
7819:v
7786:q
7760:)
7757:k
7752:z
7748:v
7744:+
7741:j
7736:y
7732:v
7728:+
7725:i
7720:x
7716:v
7712:(
7706:+
7703:1
7691:v
7673:.
7661:k
7656:2
7652:z
7643:+
7640:j
7635:2
7631:y
7622:+
7619:i
7614:2
7610:x
7601:+
7598:0
7595:=
7592:d
7563:a
7516:)
7512:)
7509:k
7506:,
7503:j
7500:,
7497:i
7494:(
7482:a
7475:(
7470:)
7465:2
7457:(
7447:+
7443:)
7438:2
7430:(
7420:=
7417:k
7412:z
7408:r
7404:+
7401:j
7396:y
7392:r
7388:+
7385:i
7380:x
7376:r
7372:+
7367:w
7363:r
7359:=
7356:r
7330:d
7320:r
7316:d
7312:r
7298:r
7292:d
7289:+
7286:r
7283:=
7274:q
7236:.
7227:x
7215:]
7199:S
7192:[
7189:]
7184:+
7174:S
7167:[
7164:=
7155:X
7126:.
7106:S
7091:x
7079:S
7073:=
7064:X
7035:.
7031:X
7023:P
7016:+
7012:X
7008:=
6999:X
6985:x
6977:p
6970:+
6966:x
6962:=
6953:x
6937:P
6933:X
6929:p
6925:x
6908:.
6905:S
6902:D
6897:2
6894:1
6886:+
6883:S
6880:=
6871:S
6855:d
6851:3
6847:2
6843:1
6839:d
6835:S
6831:d
6809:.
6804:}
6798:B
6791:A
6785:{
6778:]
6766:C
6754:D
6746:0
6735:C
6728:[
6723:=
6714:A
6708:]
6693:C
6686:[
6683:=
6674:C
6662:A
6633:.
6628:}
6622:D
6615:C
6609:{
6602:]
6594:+
6590:A
6582:+
6578:B
6570:0
6563:+
6559:A
6552:[
6547:=
6538:C
6532:]
6527:+
6517:A
6510:[
6507:=
6498:C
6486:A
6470:0
6466:3
6462:2
6458:1
6454:0
6450:3
6446:2
6442:1
6425:.
6420:}
6412:0
6408:a
6398:3
6394:A
6384:2
6380:A
6370:1
6366:A
6359:{
6352:]
6344:0
6340:c
6332:3
6328:C
6317:2
6313:C
6302:1
6298:C
6285:3
6281:C
6273:0
6269:c
6261:1
6257:C
6249:2
6245:C
6232:2
6228:C
6220:1
6216:C
6205:0
6201:c
6193:3
6189:C
6179:1
6175:C
6167:2
6163:C
6155:3
6151:C
6140:0
6136:c
6129:[
6124:=
6121:A
6118:]
6109:C
6105:[
6102:=
6099:C
6096:A
6070:.
6065:}
6057:0
6053:c
6043:3
6039:C
6029:2
6025:C
6015:1
6011:C
6004:{
5997:]
5989:0
5985:a
5977:3
5973:A
5962:2
5958:A
5947:1
5943:A
5930:3
5926:A
5918:0
5914:a
5906:1
5902:A
5891:2
5887:A
5877:2
5873:A
5865:1
5861:A
5853:0
5849:a
5841:3
5837:A
5824:1
5820:A
5812:2
5808:A
5797:3
5793:A
5785:0
5781:a
5774:[
5769:=
5766:C
5763:]
5758:+
5754:A
5750:[
5747:=
5744:C
5741:A
5725:)
5723:0
5719:3
5715:2
5711:1
5704:C
5700:0
5651:.
5643:A
5633:B
5626:2
5603:2
5579:1
5572:A
5562:B
5555:2
5532:2
5511:+
5506:A
5499:2
5478:+
5473:B
5466:2
5442:=
5437:C
5430:2
5384:A
5374:B
5367:2
5344:2
5318:2
5295:2
5274:=
5269:2
5225:.
5221:)
5215:A
5205:B
5198:2
5175:2
5154:+
5149:A
5142:2
5119:2
5098:+
5093:B
5086:2
5063:2
5041:(
5037:+
5033:)
5027:A
5017:B
5010:2
4987:2
4961:2
4938:2
4916:(
4912:=
4907:C
4900:2
4879:+
4874:2
4830:.
4826:)
4820:A
4813:2
4792:+
4787:2
4765:(
4760:)
4754:B
4747:2
4726:+
4721:2
4699:(
4695:=
4690:C
4683:2
4662:+
4657:2
4636:=
4627:C
4611:A
4609:D
4607:B
4603:C
4586:.
4581:B
4576:)
4573:2
4569:/
4553:(
4544:+
4541:)
4538:2
4534:/
4518:(
4509:=
4500:B
4485:A
4480:)
4477:2
4473:/
4457:(
4448:+
4445:)
4442:2
4438:/
4422:(
4413:=
4404:A
4388:B
4384:A
4380:C
4375:A
4371:D
4367:B
4363:D
4358:C
4354:D
4350:A
4346:B
4329:.
4324:S
4317:2
4296:+
4291:2
4270:=
4261:S
4245:D
4241:d
4237:φ
4233:d
4229:φ
4225:V
4221:S
4217:S
4210:d
4206:D
4198:A
4194:D
4190:B
4186:D
4181:C
4177:D
4169:a
4164:A
4160:D
4156:b
4151:B
4147:D
4092:p
4089:q
4085:p
4078:p
4073:q
4069:p
4046:B
4026:A
4006:,
4003:0
4000:=
3991:A
3987:B
3984:+
3975:B
3971:A
3951:A
3931:,
3928:1
3925:=
3916:A
3912:A
3889:.
3886:)
3883:0
3880:,
3877:1
3874:(
3871:=
3868:)
3859:A
3855:B
3852:+
3843:B
3839:A
3836:,
3827:A
3823:A
3820:(
3817:=
3814:)
3805:B
3801:,
3792:A
3788:(
3785:)
3782:B
3779:,
3776:A
3773:(
3770:=
3755:A
3742:A
3726:Â
3705:Â
3683:Â
3675:Â
3644:.
3635:B
3619:A
3615:=
3612:)
3603:B
3596:,
3587:A
3583:(
3580:=
3560:A
3527:.
3524:B
3515:A
3512:=
3509:)
3506:B
3500:,
3497:A
3494:(
3491:=
3478:A
3436:.
3431:A
3421:A
3416:+
3411:2
3406:0
3396:a
3389:=
3386:)
3381:A
3371:0
3361:a
3354:(
3351:)
3346:A
3341:+
3336:0
3326:a
3319:(
3316:=
3301:A
3288:A
3259:.
3254:A
3244:0
3234:a
3227:=
3218:)
3212:A
3207:+
3202:0
3192:a
3185:(
3159:.
3156:)
3147:A
3141:(
3128:)
3119:A
3113:(
3103:=
3088:A
3071:Â
3054:.
3049:A
3044:=
3041:)
3032:A
3026:(
3016:,
3011:0
3001:a
2994:=
2991:)
2982:A
2976:(
2955:A
2951:0
2948:â
2944:Â
2926:.
2911:A
2892:C
2885:=
2876:)
2866:C
2854:A
2848:(
2845:=
2830:G
2808:Ĝ
2789:.
2780:B
2773:+
2764:A
2760:=
2757:)
2748:B
2744:,
2735:A
2731:(
2728:=
2713:A
2684:0
2681:0
2678:0
2671:i
2665:j
2663:ε
2659:k
2657:ε
2653:k
2651:ε
2643:0
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2633:i
2631:ε
2624:k
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2616:ε
2612:j
2610:ε
2602:0
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2596:0
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2586:k
2584:ε
2577:i
2575:ε
2571:i
2569:ε
2561:0
2558:0
2555:0
2551:k
2549:ε
2545:j
2543:ε
2539:i
2537:ε
2534:ε
2522:i
2516:j
2514:ε
2510:k
2508:ε
2501:i
2499:−
2495:j
2490:k
2485:k
2478:i
2476:ε
2469:k
2463:j
2461:ε
2457:i
2449:k
2447:−
2443:j
2438:j
2431:j
2425:k
2423:ε
2416:i
2414:ε
2410:j
2408:−
2404:k
2396:i
2391:i
2384:k
2382:ε
2378:j
2376:ε
2372:i
2370:ε
2367:ε
2363:k
2358:j
2353:i
2349:1
2340:k
2338:ε
2334:j
2332:ε
2328:i
2326:ε
2319:k
2314:j
2309:i
2267:.
2264:)
2261:C
2258:B
2255:+
2252:D
2249:A
2246:(
2240:+
2237:C
2234:A
2231:=
2228:)
2225:D
2219:+
2216:C
2213:(
2210:)
2207:B
2201:+
2198:A
2195:(
2192:=
2183:C
2171:A
2142:,
2139:D
2133:+
2130:C
2127:=
2124:)
2121:D
2118:,
2115:C
2112:(
2109:=
2100:C
2071:,
2068:B
2062:+
2059:A
2056:=
2053:)
2050:B
2047:,
2044:A
2041:(
2038:=
2029:A
1995:,
1992:k
1986:)
1981:3
1977:d
1973:+
1968:3
1964:b
1960:(
1957:+
1954:j
1948:)
1943:2
1939:d
1935:+
1930:2
1926:b
1922:(
1919:+
1916:i
1910:)
1905:1
1901:d
1897:+
1892:1
1888:b
1884:(
1881:+
1875:)
1870:0
1866:d
1862:+
1857:0
1853:b
1849:(
1846:+
1843:k
1840:)
1835:3
1831:c
1827:+
1822:3
1818:a
1814:(
1811:+
1808:j
1805:)
1800:2
1796:c
1792:+
1787:2
1783:a
1779:(
1776:+
1773:i
1770:)
1765:1
1761:c
1757:+
1752:1
1748:a
1744:(
1741:+
1738:)
1733:0
1729:c
1725:+
1720:0
1716:a
1712:(
1709:=
1706:)
1703:D
1700:+
1697:B
1694:,
1691:C
1688:+
1685:A
1682:(
1679:=
1670:C
1664:+
1655:A
1626:,
1623:k
1615:3
1611:d
1607:+
1604:j
1596:2
1592:d
1588:+
1585:i
1577:1
1573:d
1569:+
1561:0
1557:d
1553:+
1550:k
1545:3
1541:c
1537:+
1534:j
1529:2
1525:c
1521:+
1518:i
1513:1
1509:c
1505:+
1500:0
1496:c
1492:=
1489:)
1486:D
1483:,
1480:C
1477:(
1474:=
1465:C
1436:,
1433:k
1425:3
1421:b
1417:+
1414:j
1406:2
1402:b
1398:+
1395:i
1387:1
1383:b
1379:+
1371:0
1367:b
1363:+
1360:k
1355:3
1351:a
1347:+
1344:j
1339:2
1335:a
1331:+
1328:i
1323:1
1319:a
1315:+
1310:0
1306:a
1302:=
1299:)
1296:B
1293:,
1290:A
1287:(
1284:=
1275:A
1241:.
1238:)
1233:C
1223:A
1218:+
1213:C
1206:0
1196:a
1189:+
1184:A
1177:0
1167:c
1160:(
1157:+
1154:)
1149:C
1139:A
1129:0
1119:c
1110:0
1100:a
1093:(
1090:=
1087:)
1082:C
1077:+
1072:0
1062:c
1055:(
1052:)
1047:A
1042:+
1037:0
1027:a
1020:(
1017:=
1008:C
996:A
990:=
981:G
961:)
959:B
955:A
951:A
946:)
944:b
940:a
936:0
933:â
927:A
923:0
920:â
916:Â
898:.
895:)
892:C
889:B
886:+
883:D
880:A
877:,
874:C
871:A
868:(
865:=
862:)
859:D
856:,
853:C
850:(
847:)
844:B
841:,
838:A
835:(
832:=
823:C
811:A
795:)
793:B
789:A
776:k
772:j
768:i
763:b
759:a
755:â
750:)
736:d
732:c
728:b
724:a
715:)
713:b
709:a
705:â
683:.
680:)
676:C
668:A
664:+
660:C
654:0
650:a
646:+
642:A
636:0
632:c
628:(
625:+
622:)
618:C
610:A
601:0
597:c
591:0
587:a
583:(
580:=
577:)
573:C
569:+
564:0
560:c
556:(
553:)
549:A
545:+
540:0
536:a
532:(
529:=
526:C
523:A
520:=
517:G
503:C
499:0
496:c
492:C
486:A
482:0
479:a
475:A
469:k
466:3
463:A
459:j
456:2
453:A
449:i
446:1
443:A
439:A
434:0
431:a
426:A
422:0
419:a
415:A
392:k
380:j
374:k
364:k
356:k
345:i
335:i
323:i
299:=
296:k
293:j
290:i
287:=
282:2
278:k
274:=
269:2
265:j
261:=
256:2
252:i
238:k
234:j
230:i
226:k
222:j
218:i
75:B
71:A
66:B
62:A
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