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Frobenius method

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6068: 3743: 6063:{\displaystyle {\begin{aligned}\sum _{k=0}^{\infty }&(k+r)(k+r-1)A_{k}z^{k+r-2}-{\frac {1}{z}}\sum _{k=0}^{\infty }(k+r)A_{k}z^{k+r-1}+\left({\frac {1}{z^{2}}}-{\frac {1}{z}}\right)\sum _{k=0}^{\infty }A_{k}z^{k+r}\\&=\sum _{k=0}^{\infty }(k+r)(k+r-1)A_{k}z^{k+r-2}-{\frac {1}{z}}\sum _{k=0}^{\infty }(k+r)A_{k}z^{k+r-1}+{\frac {1}{z^{2}}}\sum _{k=0}^{\infty }A_{k}z^{k+r}-{\frac {1}{z}}\sum _{k=0}^{\infty }A_{k}z^{k+r}\\&=\sum _{k=0}^{\infty }(k+r)(k+r-1)A_{k}z^{k+r-2}-\sum _{k=0}^{\infty }(k+r)A_{k}z^{k+r-2}+\sum _{k=0}^{\infty }A_{k}z^{k+r-2}-\sum _{k=0}^{\infty }A_{k}z^{k+r-1}\\&=\sum _{k=0}^{\infty }(k+r)(k+r-1)A_{k}z^{k+r-2}-\sum _{k=0}^{\infty }(k+r)A_{k}z^{k+r-2}+\sum _{k=0}^{\infty }A_{k}z^{k+r-2}-\sum _{k-1=0}^{\infty }A_{k-1}z^{k-1+r-1}\\&=\sum _{k=0}^{\infty }(k+r)(k+r-1)A_{k}z^{k+r-2}-\sum _{k=0}^{\infty }(k+r)A_{k}z^{k+r-2}+\sum _{k=0}^{\infty }A_{k}z^{k+r-2}-\sum _{k=1}^{\infty }A_{k-1}z^{k+r-2}\\&=\left\{\sum _{k=0}^{\infty }\left((k+r)(k+r-1)-(k+r)+1\right)A_{k}z^{k+r-2}\right\}-\sum _{k=1}^{\infty }A_{k-1}z^{k+r-2}\\&=\left\{\left(r(r-1)-r+1\right)A_{0}z^{r-2}+\sum _{k=1}^{\infty }\left((k+r)(k+r-1)-(k+r)+1\right)A_{k}z^{k+r-2}\right\}-\sum _{k=1}^{\infty }A_{k-1}z^{k+r-2}\\&=(r-1)^{2}A_{0}z^{r-2}+\left\{\sum _{k=1}^{\infty }(k+r-1)^{2}A_{k}z^{k+r-2}-\sum _{k=1}^{\infty }A_{k-1}z^{k+r-2}\right\}\\&=(r-1)^{2}A_{0}z^{r-2}+\sum _{k=1}^{\infty }\left((k+r-1)^{2}A_{k}-A_{k-1}\right)z^{k+r-2}\end{aligned}}} 20: 2004: 912: 1999:{\displaystyle {\begin{aligned}&z^{2}\sum _{k=0}^{\infty }(k+r-1)(k+r)A_{k}z^{k+r-2}+zp(z)\sum _{k=0}^{\infty }(k+r)A_{k}z^{k+r-1}+q(z)\sum _{k=0}^{\infty }A_{k}z^{k+r}\\={}&\sum _{k=0}^{\infty }(k+r-1)(k+r)A_{k}z^{k+r}+p(z)\sum _{k=0}^{\infty }(k+r)A_{k}z^{k+r}+q(z)\sum _{k=0}^{\infty }A_{k}z^{k+r}\\={}&\sum _{k=0}^{\infty }\\={}&\sum _{k=0}^{\infty }\leftA_{k}z^{k+r}\\={}&\leftA_{0}z^{r}+\sum _{k=1}^{\infty }\leftA_{k}z^{k+r}=0\end{aligned}}} 2928: 2345: 3736: 2923:{\displaystyle {\begin{aligned}I(k+r)A_{k}+\sum _{j=0}^{k-1}{(j+r)p^{(k-j)}(0)+q^{(k-j)}(0) \over (k-j)!}A_{j}&=0\\\sum _{j=0}^{k-1}{(j+r)p^{(k-j)}(0)+q^{(k-j)}(0) \over (k-j)!}A_{j}&=-I(k+r)A_{k}\\{1 \over -I(k+r)}\sum _{j=0}^{k-1}{(j+r)p^{(k-j)}(0)+q^{(k-j)}(0) \over (k-j)!}A_{j}&=A_{k}\end{aligned}}} 6337:
The previous example involved an indicial polynomial with a repeated root, which gives only one solution to the given differential equation. In general, the Frobenius method gives two independent solutions provided that the indicial equation's roots are not separated by an integer (including zero).
3452: 3464: 2127: βˆ’ 1 or, something else depending on the given differential equation. This detail is important to keep in mind. In the process of synchronizing all the series of the differential equation to start at the same index value (which in the above expression is  2336: 3179: 905: 455: 673: 6448: 2097: 6961:
In cases in which roots of the indicial polynomial differ by an integer (including zero), the coefficients of all series involved in second linearly independent solutions can be calculated straightforwardly from
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A first contribution by Frobenius to the theory was to show that - as regards a first, linearly independent solution, which then has the form of an analytical power series multiplied by an arbitrary power
6206: 3027: 3296: 296: 186: 3285: 3748: 3731:{\displaystyle {\begin{aligned}f&=\sum _{k=0}^{\infty }A_{k}z^{k+r}\\f'&=\sum _{k=0}^{\infty }(k+r)A_{k}z^{k+r-1}\\f''&=\sum _{k=0}^{\infty }(k+r)(k+r-1)A_{k}z^{k+r-2}\end{aligned}}} 3469: 917: 558:
A large part of Frobenius' 1873 publication was devoted to proofs of convergence of all the series involved in the solutions, as well as establishing the radii of convergence of these series.
6771: 6266: 234: 2147: 2131: = 1), one can end up with complicated expressions. However, in solving for the indicial roots attention is focused only on the coefficient of the lowest power of  54: 6647: 6319: 3203:, we gain a solution to the differential equation. If the difference between the roots is not an integer, we get another, linearly independent solution in the other root. 6884: 6837: 6484: 6944: 6914: 6677: 6600: 6569: 6542: 6511: 569: 358: 6799: 328: 77: 6344: 2011: 784: 6946:
which can be set arbitrarily. If it is set to zero then with this differential equation all the other coefficients will be zero and we obtain the solution
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of the second linearly independent solution (see below) can be obtained by a procedure which is based on differentiation with respect to the parameter
363: 680: 6089: 6966:. These tandem relations can be constructed by further developing Frobenius' original invention of differentiating with respect to the parameter 458: 2946: 547:
A second contribution by Frobenius was to show that, in cases in which the roots of the indicial equation differ by an integer, the general
6211: 7202: 106: 7043: 3214: 7158:"Tandem Recurrence Relations for Coefficients of Logarithmic Frobenius Series Solutions about Regular Singular Points" 6710: 6270:
Given some initial conditions, we can either solve the recurrence entirely or obtain a solution in power series form.
7132:
Fuchs, Lazarus Immanuel (1866). "Zur Theorie der linearen Differentialgleichungen mit veranderlichen Coefficienten".
7117:
Fuchs, Lazarus Immanuel (1865). "Zur Theorie der linearen Differentialgleichungen mit veranderlichen Coefficienten".
7101: 6326: 500:. The Frobenius method enables one to create a power series solution to such a differential equation, provided that 239: 3447:{\displaystyle f''-{1 \over z}f'+{1-z \over z^{2}}f=f''-{1 \over z}f'+\left({1 \over z^{2}}-{1 \over z}\right)f=0} 100: 19: 7074:
Frobenius, Ferdinand Georg (1968) . "Uber die Integration der linearen Differentialgleichungen durch Reihen".
7035: 516:) are themselves analytic at 0 or, being analytic elsewhere, both their limits at 0 exist (and are finite). 191: 528:
of the series solutions involved (see below). These forms had all been established earlier, by Fuchs. The
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If the root is repeated or the roots differ by an integer, then the second solution can be found using:
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of the independent variable (see below) - the coefficients of the generalized power series obey a
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These coefficients must be zero, since they should be solutions of the differential equation, so
2331:{\displaystyle I(k+r)A_{k}+\sum _{j=0}^{k-1}{(j+r)p^{(k-j)}(0)+q^{(k-j)}(0) \over (k-j)!}A_{j},} 6984: 6956: 302: 6804: 6453: 23:
Some solutions of a differential equation having a regular singular point with indicial roots
6919: 6889: 6652: 6690: 6578: 6547: 6520: 6489: 336: 8: 6776: 307: 561: 59: 6970:, and using this approach to actually calculate the series coefficients in all cases. 7179: 7097: 7051: 7039: 7025: 7006: 7003: 6979: 6322: 490: 7169: 6332: 6886:
has a power series starting with the power zero. In a power series starting with
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The roots of the indicial equation are βˆ’1 and 0. Two independent solutions are
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is the first solution (based on the larger root in the case of unequal roots),
6916:
the recurrence relation places no restriction on the coefficient for the term
668:{\displaystyle u(z)=z^{r}\sum _{k=0}^{\infty }A_{k}z^{k},\qquad (A_{0}\neq 0)} 7196: 7183: 7021: 6957:
Tandem recurrence relations for series coefficients in the exceptional cases
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so we see that the logarithm does not appear in any solution. The solution
2119:
th coefficient but, it is possible for the lowest possible exponent to be
84: 7094:
Linear Differential Equations and Group Theory from Riemann to Poincare
6443:{\displaystyle y_{2}=Cy_{1}\ln x+\sum _{k=0}^{\infty }B_{k}x^{k+r_{2}}} 2115:
in the infinite series. In this case it happens to be that this is the
2092:{\displaystyle r\left(r-1\right)+p\left(0\right)r+q\left(0\right)=I(r)} 566:
The method of Frobenius is to seek a power series solution of the form
6080:
we get a double root of 1. Using this root, we set the coefficient of
900:{\displaystyle u''(z)=\sum _{k=0}^{\infty }(k+r-1)(k+r)A_{k}z^{k+r-2}} 7011: 6649:, which can be set arbitrarily. This then determines the rest of the 3174:{\displaystyle z^{2}U_{r}(z)''+p(z)zU_{r}(z)'+q(z)U_{r}(z)=I(r)z^{r}} 562:
Explanation of Frobenius Method: first, linearly independent solution
450:{\displaystyle u''+{\frac {p(z)}{z}}u'+{\frac {q(z)}{z^{2}}}u=0} 909:
Substituting the above differentiation into our original ODE:
775:{\displaystyle u'(z)=\sum _{k=0}^{\infty }(k+r)A_{k}z^{k+r-1}} 532:(see below) and its role had also been established by Fuchs. 6201:{\displaystyle (k+1-1)^{2}A_{k}-A_{k-1}=k^{2}A_{k}-A_{k-1}=0} 3183:
If we choose one of the roots to the indicial polynomial for
544:, so that they can always be straightforwardly calculated. 524:
Frobenius' contribution was not so much in all the possible
519: 3022:{\displaystyle U_{r}(z)=\sum _{k=0}^{\infty }A_{k}z^{k+r}} 7001: 2138:
Using this, the general expression of the coefficient of
7054:). Chapter 4 contains the full method including proofs. 7078:(in German). Berlin: Springer-Verlag. pp. 84–105. 6333:"The exceptional cases": roots separated by an integer 6086:
to be zero (for it to be a solution), which gives us:
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Ordinary Differential Equations and Dynamical Systems
6922: 6892: 6845: 6807: 6779: 6713: 6655: 6608: 6581: 6550: 6523: 6492: 6456: 6347: 6279: 6214: 6092: 3746: 3467: 3299: 3217: 3035: 2949: 2348: 2150: 2014: 915: 787: 683: 572: 366: 339: 310: 109: 62: 29: 7052:https://www.mat.univie.ac.at/~gerald/ftp/book-ode/ 6938: 6908: 6878: 6831: 6793: 6765: 6671: 6641: 6594: 6563: 6536: 6505: 6478: 6442: 6313: 6260: 6200: 6062: 3730: 3446: 3279: 3173: 3021: 2922: 2330: 2091: 1998: 899: 774: 667: 449: 352: 322: 290: 228: 180: 71: 48: 16:Method for solving ordinary differential equations 7194: 6689:: consider the following differential equation ( 6571:is chosen (for example by setting it to 1) then 7134:Journal fΓΌr die reine und angewandte Mathematik 291:{\textstyle u''\equiv {\frac {d^{2}u}{dz^{2}}}} 6261:{\displaystyle A_{k}={\frac {A_{k-1}}{k^{2}}}} 360:to obtain a differential equation of the form 7155: 7121:(in German). University Of Michigan Library. 3454:which has the requisite singularity at  7119:Gesammelte Mathematische Werke von L. Fuchs 7156:van der Toorn, Ramses (27 December 2022). 2111:is the coefficient of the lowest power of 7173: 7073: 520:History: Frobenius' actual contributions 457:which will not be solvable with regular 181:{\displaystyle z^{2}u''+p(z)zu'+q(z)u=0} 18: 6602:are determined up to but not including 6325:, the power series can be written as a 6208:hence we have the recurrence relation: 7195: 7020: 6513:is the smaller root, and the constant 229:{\textstyle u'\equiv {\frac {du}{dz}}} 7131: 7116: 7002: 3280:{\displaystyle z^{2}f''-zf'+(1-z)f=0} 7151: 7149: 7147: 7091: 7087: 7085: 7069: 7067: 7050:(Draft version available online at 99:solution for a linear second-order 13: 6402: 5962: 5837: 5753: 5628: 5497: 5354: 5223: 5149: 5093: 5022: 4930: 4855: 4793: 4722: 4630: 4567: 4511: 4440: 4348: 4291: 4231: 4143: 4041: 3984: 3873: 3767: 3651: 3564: 3498: 2988: 1864: 1631: 1432: 1372: 1295: 1197: 1137: 1054: 947: 824: 720: 614: 14: 7214: 7144: 7082: 7064: 6995: 6327:generalized hypergeometric series 6766:{\displaystyle zu''+(2-z)u'-u=0} 6273:Since the ratio of coefficients 2107:. The general definition of the 49:{\displaystyle r={\frac {1}{2}}} 7203:Ordinary differential equations 6642:{\displaystyle B_{r_{1}-r_{2}}} 642: 7125: 7110: 6865: 6846: 6740: 6728: 6473: 6467: 6112: 6093: 5991: 5972: 5908: 5895: 5777: 5758: 5694: 5681: 5558: 5546: 5540: 5522: 5519: 5507: 5432: 5420: 5284: 5272: 5266: 5248: 5245: 5233: 5039: 5027: 4968: 4950: 4947: 4935: 4739: 4727: 4668: 4650: 4647: 4635: 4457: 4445: 4386: 4368: 4365: 4353: 4160: 4148: 4079: 4061: 4058: 4046: 3890: 3878: 3809: 3791: 3788: 3776: 3689: 3671: 3668: 3656: 3581: 3569: 3265: 3253: 3158: 3152: 3143: 3137: 3124: 3118: 3105: 3098: 3082: 3076: 3063: 3056: 2966: 2960: 2880: 2868: 2863: 2857: 2852: 2840: 2829: 2823: 2818: 2806: 2798: 2786: 2750: 2738: 2709: 2697: 2665: 2653: 2648: 2642: 2637: 2625: 2614: 2608: 2603: 2591: 2583: 2571: 2508: 2496: 2491: 2485: 2480: 2468: 2457: 2451: 2446: 2434: 2426: 2414: 2368: 2356: 2306: 2294: 2289: 2283: 2278: 2266: 2255: 2249: 2244: 2232: 2224: 2212: 2166: 2154: 2086: 2080: 1952: 1946: 1937: 1925: 1922: 1916: 1907: 1895: 1892: 1874: 1817: 1811: 1799: 1793: 1784: 1772: 1719: 1713: 1704: 1692: 1689: 1683: 1674: 1662: 1659: 1641: 1599: 1570: 1564: 1529: 1517: 1514: 1508: 1473: 1461: 1458: 1440: 1437: 1353: 1347: 1312: 1300: 1276: 1270: 1235: 1223: 1220: 1202: 1118: 1112: 1071: 1059: 1035: 1029: 985: 973: 970: 952: 862: 850: 847: 829: 802: 796: 737: 725: 698: 692: 662: 643: 582: 576: 422: 416: 390: 384: 166: 160: 140: 134: 101:ordinary differential equation 1: 7058: 7036:American Mathematical Society 6314:{\displaystyle A_{k}/A_{k-1}} 2103:, which is quadratic in  7: 6973: 6964:tandem recurrence relations 6879:{\displaystyle (e^{z}-1)/z} 6679:In some cases the constant 6544:are to be determined. Once 10: 7219: 3206: 2932:The series solution with 93:Ferdinand Georg Frobenius 6832:{\displaystyle e^{z}/z,} 6479:{\displaystyle y_{1}(x)} 3461:Use the series solution 7076:Gesammelte Abhandlungen 301:in the vicinity of the 7175:10.3390/axioms12010032 7096:. Boston: Birkhauser. 6985:Regular singular point 6940: 6939:{\displaystyle z^{0},} 6910: 6909:{\displaystyle z^{-1}} 6880: 6833: 6795: 6767: 6673: 6672:{\displaystyle B_{k}.} 6643: 6596: 6565: 6538: 6507: 6480: 6444: 6406: 6315: 6262: 6202: 6064: 5966: 5841: 5757: 5632: 5501: 5358: 5227: 5153: 5097: 5026: 4934: 4859: 4797: 4726: 4634: 4571: 4515: 4444: 4352: 4295: 4235: 4147: 4045: 3988: 3877: 3771: 3732: 3655: 3568: 3502: 3448: 3281: 3175: 3023: 2992: 2924: 2782: 2567: 2410: 2332: 2208: 2093: 2000: 1868: 1635: 1436: 1376: 1299: 1201: 1141: 1058: 951: 901: 828: 776: 724: 669: 618: 451: 354: 324: 303:regular singular point 292: 230: 182: 95:, is a way to find an 80: 73: 50: 7092:Gray, Jeremy (1986). 6941: 6911: 6881: 6834: 6796: 6768: 6674: 6644: 6597: 6595:{\displaystyle B_{k}} 6566: 6564:{\displaystyle B_{0}} 6539: 6537:{\displaystyle B_{k}} 6517:and the coefficients 6508: 6506:{\displaystyle r_{2}} 6481: 6445: 6386: 6316: 6263: 6203: 6065: 5946: 5821: 5737: 5612: 5481: 5338: 5207: 5133: 5077: 5006: 4914: 4833: 4777: 4706: 4614: 4551: 4495: 4424: 4332: 4275: 4215: 4127: 4025: 3968: 3857: 3751: 3733: 3635: 3548: 3482: 3449: 3289:Divide throughout by 3282: 3176: 3024: 2972: 2925: 2756: 2541: 2384: 2333: 2182: 2094: 2001: 1848: 1615: 1416: 1356: 1279: 1181: 1121: 1038: 931: 902: 808: 777: 704: 670: 598: 452: 355: 353:{\displaystyle z^{2}} 325: 293: 231: 183: 74: 51: 22: 6920: 6890: 6843: 6805: 6777: 6711: 6653: 6606: 6579: 6548: 6521: 6490: 6454: 6345: 6277: 6212: 6090: 3744: 3465: 3297: 3215: 3033: 2947: 2346: 2148: 2012: 913: 785: 681: 570: 459:power series methods 364: 337: 308: 240: 192: 107: 60: 27: 6794:{\displaystyle 1/z} 2109:indicial polynomial 2101:indicial polynomial 555:, mentioned above. 542:recurrence relation 530:indicial polynomial 323:{\displaystyle z=0} 89:method of Frobenius 7007:"Frobenius Method" 7004:Weisstein, Eric W. 6936: 6906: 6876: 6829: 6791: 6763: 6669: 6639: 6592: 6561: 6534: 6503: 6476: 6440: 6311: 6258: 6198: 6060: 6058: 3740:Now, substituting 3728: 3726: 3444: 3277: 3171: 3019: 2920: 2918: 2328: 2089: 1996: 1994: 897: 772: 665: 447: 350: 333:One can divide by 320: 288: 226: 178: 81: 72:{\displaystyle -1} 69: 46: 7045:978-0-8218-8328-0 6691:Kummer's equation 6323:rational function 6256: 4273: 4213: 4125: 3961: 3948: 3855: 3428: 3415: 3382: 3355: 3319: 2887: 2754: 2672: 2515: 2313: 677:Differentiating: 436: 397: 286: 224: 44: 7210: 7188: 7187: 7177: 7153: 7142: 7141: 7129: 7123: 7122: 7114: 7108: 7107: 7089: 7080: 7079: 7071: 7049: 7017: 7016: 6952: 6945: 6943: 6942: 6937: 6932: 6931: 6915: 6913: 6912: 6907: 6905: 6904: 6885: 6883: 6882: 6877: 6872: 6858: 6857: 6838: 6836: 6835: 6830: 6822: 6817: 6816: 6800: 6798: 6797: 6792: 6787: 6772: 6770: 6769: 6764: 6750: 6724: 6706: 6699: 6682: 6678: 6676: 6675: 6670: 6665: 6664: 6648: 6646: 6645: 6640: 6638: 6637: 6636: 6635: 6623: 6622: 6601: 6599: 6598: 6593: 6591: 6590: 6574: 6570: 6568: 6567: 6562: 6560: 6559: 6543: 6541: 6540: 6535: 6533: 6532: 6516: 6512: 6510: 6509: 6504: 6502: 6501: 6485: 6483: 6482: 6477: 6466: 6465: 6449: 6447: 6446: 6441: 6439: 6438: 6437: 6436: 6416: 6415: 6405: 6400: 6373: 6372: 6357: 6356: 6320: 6318: 6317: 6312: 6310: 6309: 6294: 6289: 6288: 6267: 6265: 6264: 6259: 6257: 6255: 6254: 6245: 6244: 6229: 6224: 6223: 6207: 6205: 6204: 6199: 6191: 6190: 6172: 6171: 6162: 6161: 6149: 6148: 6130: 6129: 6120: 6119: 6085: 6079: 6069: 6067: 6066: 6061: 6059: 6055: 6054: 6033: 6029: 6028: 6027: 6009: 6008: 5999: 5998: 5965: 5960: 5942: 5941: 5926: 5925: 5916: 5915: 5888: 5884: 5880: 5879: 5878: 5857: 5856: 5840: 5835: 5817: 5816: 5795: 5794: 5785: 5784: 5756: 5751: 5728: 5727: 5712: 5711: 5702: 5701: 5674: 5670: 5669: 5648: 5647: 5631: 5626: 5608: 5604: 5603: 5602: 5581: 5580: 5571: 5567: 5500: 5495: 5477: 5476: 5461: 5460: 5451: 5447: 5400: 5396: 5395: 5374: 5373: 5357: 5352: 5334: 5330: 5329: 5328: 5307: 5306: 5297: 5293: 5226: 5221: 5195: 5191: 5190: 5169: 5168: 5152: 5147: 5129: 5128: 5107: 5106: 5096: 5091: 5073: 5072: 5051: 5050: 5025: 5020: 5002: 5001: 4980: 4979: 4933: 4928: 4907: 4903: 4902: 4875: 4874: 4858: 4853: 4829: 4828: 4807: 4806: 4796: 4791: 4773: 4772: 4751: 4750: 4725: 4720: 4702: 4701: 4680: 4679: 4633: 4628: 4607: 4603: 4602: 4581: 4580: 4570: 4565: 4547: 4546: 4525: 4524: 4514: 4509: 4491: 4490: 4469: 4468: 4443: 4438: 4420: 4419: 4398: 4397: 4351: 4346: 4325: 4321: 4320: 4305: 4304: 4294: 4289: 4274: 4266: 4261: 4260: 4245: 4244: 4234: 4229: 4214: 4212: 4211: 4199: 4194: 4193: 4172: 4171: 4146: 4141: 4126: 4118: 4113: 4112: 4091: 4090: 4044: 4039: 4018: 4014: 4013: 3998: 3997: 3987: 3982: 3967: 3963: 3962: 3954: 3949: 3947: 3946: 3934: 3924: 3923: 3902: 3901: 3876: 3871: 3856: 3848: 3843: 3842: 3821: 3820: 3770: 3765: 3737: 3735: 3734: 3729: 3727: 3723: 3722: 3701: 3700: 3654: 3649: 3627: 3615: 3614: 3593: 3592: 3567: 3562: 3540: 3528: 3527: 3512: 3511: 3501: 3496: 3458: = 0. 3453: 3451: 3450: 3445: 3434: 3430: 3429: 3421: 3416: 3414: 3413: 3401: 3391: 3383: 3375: 3370: 3356: 3354: 3353: 3344: 3333: 3328: 3320: 3312: 3307: 3286: 3284: 3283: 3278: 3249: 3235: 3227: 3226: 3202: 3180: 3178: 3177: 3172: 3170: 3169: 3136: 3135: 3111: 3097: 3096: 3069: 3055: 3054: 3045: 3044: 3028: 3026: 3025: 3020: 3018: 3017: 3002: 3001: 2991: 2986: 2959: 2958: 2942: 2929: 2927: 2926: 2921: 2919: 2915: 2914: 2898: 2897: 2888: 2886: 2866: 2856: 2855: 2822: 2821: 2784: 2781: 2770: 2755: 2753: 2727: 2721: 2720: 2683: 2682: 2673: 2671: 2651: 2641: 2640: 2607: 2606: 2569: 2566: 2555: 2526: 2525: 2516: 2514: 2494: 2484: 2483: 2450: 2449: 2412: 2409: 2398: 2380: 2379: 2337: 2335: 2334: 2329: 2324: 2323: 2314: 2312: 2292: 2282: 2281: 2248: 2247: 2210: 2207: 2196: 2178: 2177: 2143: 2123: βˆ’ 2, 2099:is known as the 2098: 2096: 2095: 2090: 2073: 2053: 2036: 2032: 2005: 2003: 2002: 1997: 1995: 1985: 1984: 1969: 1968: 1959: 1955: 1867: 1862: 1844: 1843: 1834: 1833: 1824: 1820: 1761: 1752: 1751: 1736: 1735: 1726: 1722: 1634: 1629: 1610: 1598: 1597: 1582: 1581: 1557: 1556: 1541: 1540: 1501: 1500: 1485: 1484: 1435: 1430: 1411: 1402: 1401: 1386: 1385: 1375: 1370: 1340: 1339: 1324: 1323: 1298: 1293: 1263: 1262: 1247: 1246: 1200: 1195: 1176: 1167: 1166: 1151: 1150: 1140: 1135: 1105: 1104: 1083: 1082: 1057: 1052: 1019: 1018: 997: 996: 950: 945: 930: 929: 919: 906: 904: 903: 898: 896: 895: 874: 873: 827: 822: 795: 781: 779: 778: 773: 771: 770: 749: 748: 723: 718: 691: 674: 672: 671: 666: 655: 654: 638: 637: 628: 627: 617: 612: 597: 596: 499: 488: 474: 456: 454: 453: 448: 437: 435: 434: 425: 411: 406: 398: 393: 379: 374: 359: 357: 356: 351: 349: 348: 329: 327: 326: 321: 297: 295: 294: 289: 287: 285: 284: 283: 270: 266: 265: 255: 250: 235: 233: 232: 227: 225: 223: 215: 207: 202: 187: 185: 184: 179: 153: 127: 119: 118: 78: 76: 75: 70: 55: 53: 52: 47: 45: 37: 7218: 7217: 7213: 7212: 7211: 7209: 7208: 7207: 7193: 7192: 7191: 7154: 7145: 7130: 7126: 7115: 7111: 7104: 7090: 7083: 7072: 7065: 7061: 7046: 6998: 6976: 6959: 6947: 6927: 6923: 6921: 6918: 6917: 6897: 6893: 6891: 6888: 6887: 6868: 6853: 6849: 6844: 6841: 6840: 6818: 6812: 6808: 6806: 6803: 6802: 6783: 6778: 6775: 6774: 6743: 6717: 6712: 6709: 6708: 6701: 6694: 6683:must be zero. 6680: 6660: 6656: 6654: 6651: 6650: 6631: 6627: 6618: 6614: 6613: 6609: 6607: 6604: 6603: 6586: 6582: 6580: 6577: 6576: 6572: 6555: 6551: 6549: 6546: 6545: 6528: 6524: 6522: 6519: 6518: 6514: 6497: 6493: 6491: 6488: 6487: 6461: 6457: 6455: 6452: 6451: 6432: 6428: 6421: 6417: 6411: 6407: 6401: 6390: 6368: 6364: 6352: 6348: 6346: 6343: 6342: 6335: 6299: 6295: 6290: 6284: 6280: 6278: 6275: 6274: 6250: 6246: 6234: 6230: 6228: 6219: 6215: 6213: 6210: 6209: 6180: 6176: 6167: 6163: 6157: 6153: 6138: 6134: 6125: 6121: 6115: 6111: 6091: 6088: 6087: 6081: 6073: 6057: 6056: 6038: 6034: 6017: 6013: 6004: 6000: 5994: 5990: 5971: 5967: 5961: 5950: 5931: 5927: 5921: 5917: 5911: 5907: 5886: 5885: 5862: 5858: 5846: 5842: 5836: 5825: 5800: 5796: 5790: 5786: 5780: 5776: 5752: 5741: 5736: 5732: 5717: 5713: 5707: 5703: 5697: 5693: 5672: 5671: 5653: 5649: 5637: 5633: 5627: 5616: 5586: 5582: 5576: 5572: 5506: 5502: 5496: 5485: 5466: 5462: 5456: 5452: 5416: 5412: 5411: 5407: 5398: 5397: 5379: 5375: 5363: 5359: 5353: 5342: 5312: 5308: 5302: 5298: 5232: 5228: 5222: 5211: 5206: 5202: 5193: 5192: 5174: 5170: 5158: 5154: 5148: 5137: 5112: 5108: 5102: 5098: 5092: 5081: 5056: 5052: 5046: 5042: 5021: 5010: 4985: 4981: 4975: 4971: 4929: 4918: 4905: 4904: 4880: 4876: 4864: 4860: 4854: 4837: 4812: 4808: 4802: 4798: 4792: 4781: 4756: 4752: 4746: 4742: 4721: 4710: 4685: 4681: 4675: 4671: 4629: 4618: 4605: 4604: 4586: 4582: 4576: 4572: 4566: 4555: 4530: 4526: 4520: 4516: 4510: 4499: 4474: 4470: 4464: 4460: 4439: 4428: 4403: 4399: 4393: 4389: 4347: 4336: 4323: 4322: 4310: 4306: 4300: 4296: 4290: 4279: 4265: 4250: 4246: 4240: 4236: 4230: 4219: 4207: 4203: 4198: 4177: 4173: 4167: 4163: 4142: 4131: 4117: 4096: 4092: 4086: 4082: 4040: 4029: 4016: 4015: 4003: 3999: 3993: 3989: 3983: 3972: 3953: 3942: 3938: 3933: 3932: 3928: 3907: 3903: 3897: 3893: 3872: 3861: 3847: 3826: 3822: 3816: 3812: 3772: 3766: 3755: 3747: 3745: 3742: 3741: 3725: 3724: 3706: 3702: 3696: 3692: 3650: 3639: 3628: 3620: 3617: 3616: 3598: 3594: 3588: 3584: 3563: 3552: 3541: 3533: 3530: 3529: 3517: 3513: 3507: 3503: 3497: 3486: 3475: 3468: 3466: 3463: 3462: 3420: 3409: 3405: 3400: 3399: 3395: 3384: 3374: 3363: 3349: 3345: 3334: 3332: 3321: 3311: 3300: 3298: 3295: 3294: 3242: 3228: 3222: 3218: 3216: 3213: 3212: 3209: 3196: 3188: 3165: 3161: 3131: 3127: 3104: 3092: 3088: 3062: 3050: 3046: 3040: 3036: 3034: 3031: 3030: 3007: 3003: 2997: 2993: 2987: 2976: 2954: 2950: 2948: 2945: 2944: 2941: 2933: 2917: 2916: 2910: 2906: 2899: 2893: 2889: 2867: 2839: 2835: 2805: 2801: 2785: 2783: 2771: 2760: 2731: 2726: 2723: 2722: 2716: 2712: 2684: 2678: 2674: 2652: 2624: 2620: 2590: 2586: 2570: 2568: 2556: 2545: 2538: 2537: 2527: 2521: 2517: 2495: 2467: 2463: 2433: 2429: 2413: 2411: 2399: 2388: 2375: 2371: 2349: 2347: 2344: 2343: 2319: 2315: 2293: 2265: 2261: 2231: 2227: 2211: 2209: 2197: 2186: 2173: 2169: 2149: 2146: 2145: 2139: 2063: 2043: 2022: 2018: 2013: 2010: 2009: 2008:The expression 1993: 1992: 1974: 1970: 1964: 1960: 1873: 1869: 1863: 1852: 1839: 1835: 1829: 1825: 1768: 1764: 1762: 1760: 1754: 1753: 1741: 1737: 1731: 1727: 1640: 1636: 1630: 1619: 1611: 1609: 1603: 1602: 1587: 1583: 1577: 1573: 1546: 1542: 1536: 1532: 1490: 1486: 1480: 1476: 1431: 1420: 1412: 1410: 1404: 1403: 1391: 1387: 1381: 1377: 1371: 1360: 1329: 1325: 1319: 1315: 1294: 1283: 1252: 1248: 1242: 1238: 1196: 1185: 1177: 1175: 1169: 1168: 1156: 1152: 1146: 1142: 1136: 1125: 1088: 1084: 1078: 1074: 1053: 1042: 1002: 998: 992: 988: 946: 935: 925: 921: 916: 914: 911: 910: 879: 875: 869: 865: 823: 812: 788: 786: 783: 782: 754: 750: 744: 740: 719: 708: 684: 682: 679: 678: 650: 646: 633: 629: 623: 619: 613: 602: 592: 588: 571: 568: 567: 564: 522: 494: 476: 462: 430: 426: 412: 410: 399: 380: 378: 367: 365: 362: 361: 344: 340: 338: 335: 334: 309: 306: 305: 279: 275: 271: 261: 257: 256: 254: 243: 241: 238: 237: 216: 208: 206: 195: 193: 190: 189: 146: 120: 114: 110: 108: 105: 104: 97:infinite series 61: 58: 57: 36: 28: 25: 24: 17: 12: 11: 5: 7216: 7206: 7205: 7190: 7189: 7143: 7124: 7109: 7102: 7081: 7062: 7060: 7057: 7056: 7055: 7044: 7022:Teschl, Gerald 7018: 6997: 6996:External links 6994: 6993: 6992: 6990:Laurent series 6987: 6982: 6980:Fuchs' theorem 6975: 6972: 6958: 6955: 6935: 6930: 6926: 6903: 6900: 6896: 6875: 6871: 6867: 6864: 6861: 6856: 6852: 6848: 6828: 6825: 6821: 6815: 6811: 6790: 6786: 6782: 6762: 6759: 6756: 6753: 6749: 6746: 6742: 6739: 6736: 6733: 6730: 6727: 6723: 6720: 6716: 6668: 6663: 6659: 6634: 6630: 6626: 6621: 6617: 6612: 6589: 6585: 6558: 6554: 6531: 6527: 6500: 6496: 6475: 6472: 6469: 6464: 6460: 6435: 6431: 6427: 6424: 6420: 6414: 6410: 6404: 6399: 6396: 6393: 6389: 6385: 6382: 6379: 6376: 6371: 6367: 6363: 6360: 6355: 6351: 6334: 6331: 6308: 6305: 6302: 6298: 6293: 6287: 6283: 6253: 6249: 6243: 6240: 6237: 6233: 6227: 6222: 6218: 6197: 6194: 6189: 6186: 6183: 6179: 6175: 6170: 6166: 6160: 6156: 6152: 6147: 6144: 6141: 6137: 6133: 6128: 6124: 6118: 6114: 6110: 6107: 6104: 6101: 6098: 6095: 6053: 6050: 6047: 6044: 6041: 6037: 6032: 6026: 6023: 6020: 6016: 6012: 6007: 6003: 5997: 5993: 5989: 5986: 5983: 5980: 5977: 5974: 5970: 5964: 5959: 5956: 5953: 5949: 5945: 5940: 5937: 5934: 5930: 5924: 5920: 5914: 5910: 5906: 5903: 5900: 5897: 5894: 5891: 5889: 5887: 5883: 5877: 5874: 5871: 5868: 5865: 5861: 5855: 5852: 5849: 5845: 5839: 5834: 5831: 5828: 5824: 5820: 5815: 5812: 5809: 5806: 5803: 5799: 5793: 5789: 5783: 5779: 5775: 5772: 5769: 5766: 5763: 5760: 5755: 5750: 5747: 5744: 5740: 5735: 5731: 5726: 5723: 5720: 5716: 5710: 5706: 5700: 5696: 5692: 5689: 5686: 5683: 5680: 5677: 5675: 5673: 5668: 5665: 5662: 5659: 5656: 5652: 5646: 5643: 5640: 5636: 5630: 5625: 5622: 5619: 5615: 5611: 5607: 5601: 5598: 5595: 5592: 5589: 5585: 5579: 5575: 5570: 5566: 5563: 5560: 5557: 5554: 5551: 5548: 5545: 5542: 5539: 5536: 5533: 5530: 5527: 5524: 5521: 5518: 5515: 5512: 5509: 5505: 5499: 5494: 5491: 5488: 5484: 5480: 5475: 5472: 5469: 5465: 5459: 5455: 5450: 5446: 5443: 5440: 5437: 5434: 5431: 5428: 5425: 5422: 5419: 5415: 5410: 5406: 5403: 5401: 5399: 5394: 5391: 5388: 5385: 5382: 5378: 5372: 5369: 5366: 5362: 5356: 5351: 5348: 5345: 5341: 5337: 5333: 5327: 5324: 5321: 5318: 5315: 5311: 5305: 5301: 5296: 5292: 5289: 5286: 5283: 5280: 5277: 5274: 5271: 5268: 5265: 5262: 5259: 5256: 5253: 5250: 5247: 5244: 5241: 5238: 5235: 5231: 5225: 5220: 5217: 5214: 5210: 5205: 5201: 5198: 5196: 5194: 5189: 5186: 5183: 5180: 5177: 5173: 5167: 5164: 5161: 5157: 5151: 5146: 5143: 5140: 5136: 5132: 5127: 5124: 5121: 5118: 5115: 5111: 5105: 5101: 5095: 5090: 5087: 5084: 5080: 5076: 5071: 5068: 5065: 5062: 5059: 5055: 5049: 5045: 5041: 5038: 5035: 5032: 5029: 5024: 5019: 5016: 5013: 5009: 5005: 5000: 4997: 4994: 4991: 4988: 4984: 4978: 4974: 4970: 4967: 4964: 4961: 4958: 4955: 4952: 4949: 4946: 4943: 4940: 4937: 4932: 4927: 4924: 4921: 4917: 4913: 4910: 4908: 4906: 4901: 4898: 4895: 4892: 4889: 4886: 4883: 4879: 4873: 4870: 4867: 4863: 4857: 4852: 4849: 4846: 4843: 4840: 4836: 4832: 4827: 4824: 4821: 4818: 4815: 4811: 4805: 4801: 4795: 4790: 4787: 4784: 4780: 4776: 4771: 4768: 4765: 4762: 4759: 4755: 4749: 4745: 4741: 4738: 4735: 4732: 4729: 4724: 4719: 4716: 4713: 4709: 4705: 4700: 4697: 4694: 4691: 4688: 4684: 4678: 4674: 4670: 4667: 4664: 4661: 4658: 4655: 4652: 4649: 4646: 4643: 4640: 4637: 4632: 4627: 4624: 4621: 4617: 4613: 4610: 4608: 4606: 4601: 4598: 4595: 4592: 4589: 4585: 4579: 4575: 4569: 4564: 4561: 4558: 4554: 4550: 4545: 4542: 4539: 4536: 4533: 4529: 4523: 4519: 4513: 4508: 4505: 4502: 4498: 4494: 4489: 4486: 4483: 4480: 4477: 4473: 4467: 4463: 4459: 4456: 4453: 4450: 4447: 4442: 4437: 4434: 4431: 4427: 4423: 4418: 4415: 4412: 4409: 4406: 4402: 4396: 4392: 4388: 4385: 4382: 4379: 4376: 4373: 4370: 4367: 4364: 4361: 4358: 4355: 4350: 4345: 4342: 4339: 4335: 4331: 4328: 4326: 4324: 4319: 4316: 4313: 4309: 4303: 4299: 4293: 4288: 4285: 4282: 4278: 4272: 4269: 4264: 4259: 4256: 4253: 4249: 4243: 4239: 4233: 4228: 4225: 4222: 4218: 4210: 4206: 4202: 4197: 4192: 4189: 4186: 4183: 4180: 4176: 4170: 4166: 4162: 4159: 4156: 4153: 4150: 4145: 4140: 4137: 4134: 4130: 4124: 4121: 4116: 4111: 4108: 4105: 4102: 4099: 4095: 4089: 4085: 4081: 4078: 4075: 4072: 4069: 4066: 4063: 4060: 4057: 4054: 4051: 4048: 4043: 4038: 4035: 4032: 4028: 4024: 4021: 4019: 4017: 4012: 4009: 4006: 4002: 3996: 3992: 3986: 3981: 3978: 3975: 3971: 3966: 3960: 3957: 3952: 3945: 3941: 3937: 3931: 3927: 3922: 3919: 3916: 3913: 3910: 3906: 3900: 3896: 3892: 3889: 3886: 3883: 3880: 3875: 3870: 3867: 3864: 3860: 3854: 3851: 3846: 3841: 3838: 3835: 3832: 3829: 3825: 3819: 3815: 3811: 3808: 3805: 3802: 3799: 3796: 3793: 3790: 3787: 3784: 3781: 3778: 3775: 3773: 3769: 3764: 3761: 3758: 3754: 3750: 3749: 3721: 3718: 3715: 3712: 3709: 3705: 3699: 3695: 3691: 3688: 3685: 3682: 3679: 3676: 3673: 3670: 3667: 3664: 3661: 3658: 3653: 3648: 3645: 3642: 3638: 3634: 3631: 3629: 3626: 3623: 3619: 3618: 3613: 3610: 3607: 3604: 3601: 3597: 3591: 3587: 3583: 3580: 3577: 3574: 3571: 3566: 3561: 3558: 3555: 3551: 3547: 3544: 3542: 3539: 3536: 3532: 3531: 3526: 3523: 3520: 3516: 3510: 3506: 3500: 3495: 3492: 3489: 3485: 3481: 3478: 3476: 3474: 3471: 3470: 3443: 3440: 3437: 3433: 3427: 3424: 3419: 3412: 3408: 3404: 3398: 3394: 3390: 3387: 3381: 3378: 3373: 3369: 3366: 3362: 3359: 3352: 3348: 3343: 3340: 3337: 3331: 3327: 3324: 3318: 3315: 3310: 3306: 3303: 3276: 3273: 3270: 3267: 3264: 3261: 3258: 3255: 3252: 3248: 3245: 3241: 3238: 3234: 3231: 3225: 3221: 3211:Let us solve 3208: 3205: 3192: 3168: 3164: 3160: 3157: 3154: 3151: 3148: 3145: 3142: 3139: 3134: 3130: 3126: 3123: 3120: 3117: 3114: 3110: 3107: 3103: 3100: 3095: 3091: 3087: 3084: 3081: 3078: 3075: 3072: 3068: 3065: 3061: 3058: 3053: 3049: 3043: 3039: 3016: 3013: 3010: 3006: 3000: 2996: 2990: 2985: 2982: 2979: 2975: 2971: 2968: 2965: 2962: 2957: 2953: 2937: 2913: 2909: 2905: 2902: 2900: 2896: 2892: 2885: 2882: 2879: 2876: 2873: 2870: 2865: 2862: 2859: 2854: 2851: 2848: 2845: 2842: 2838: 2834: 2831: 2828: 2825: 2820: 2817: 2814: 2811: 2808: 2804: 2800: 2797: 2794: 2791: 2788: 2780: 2777: 2774: 2769: 2766: 2763: 2759: 2752: 2749: 2746: 2743: 2740: 2737: 2734: 2730: 2725: 2724: 2719: 2715: 2711: 2708: 2705: 2702: 2699: 2696: 2693: 2690: 2687: 2685: 2681: 2677: 2670: 2667: 2664: 2661: 2658: 2655: 2650: 2647: 2644: 2639: 2636: 2633: 2630: 2627: 2623: 2619: 2616: 2613: 2610: 2605: 2602: 2599: 2596: 2593: 2589: 2585: 2582: 2579: 2576: 2573: 2565: 2562: 2559: 2554: 2551: 2548: 2544: 2540: 2539: 2536: 2533: 2530: 2528: 2524: 2520: 2513: 2510: 2507: 2504: 2501: 2498: 2493: 2490: 2487: 2482: 2479: 2476: 2473: 2470: 2466: 2462: 2459: 2456: 2453: 2448: 2445: 2442: 2439: 2436: 2432: 2428: 2425: 2422: 2419: 2416: 2408: 2405: 2402: 2397: 2394: 2391: 2387: 2383: 2378: 2374: 2370: 2367: 2364: 2361: 2358: 2355: 2352: 2351: 2327: 2322: 2318: 2311: 2308: 2305: 2302: 2299: 2296: 2291: 2288: 2285: 2280: 2277: 2274: 2271: 2268: 2264: 2260: 2257: 2254: 2251: 2246: 2243: 2240: 2237: 2234: 2230: 2226: 2223: 2220: 2217: 2214: 2206: 2203: 2200: 2195: 2192: 2189: 2185: 2181: 2176: 2172: 2168: 2165: 2162: 2159: 2156: 2153: 2088: 2085: 2082: 2079: 2076: 2072: 2069: 2066: 2062: 2059: 2056: 2052: 2049: 2046: 2042: 2039: 2035: 2031: 2028: 2025: 2021: 2017: 1991: 1988: 1983: 1980: 1977: 1973: 1967: 1963: 1958: 1954: 1951: 1948: 1945: 1942: 1939: 1936: 1933: 1930: 1927: 1924: 1921: 1918: 1915: 1912: 1909: 1906: 1903: 1900: 1897: 1894: 1891: 1888: 1885: 1882: 1879: 1876: 1872: 1866: 1861: 1858: 1855: 1851: 1847: 1842: 1838: 1832: 1828: 1823: 1819: 1816: 1813: 1810: 1807: 1804: 1801: 1798: 1795: 1792: 1789: 1786: 1783: 1780: 1777: 1774: 1771: 1767: 1763: 1759: 1756: 1755: 1750: 1747: 1744: 1740: 1734: 1730: 1725: 1721: 1718: 1715: 1712: 1709: 1706: 1703: 1700: 1697: 1694: 1691: 1688: 1685: 1682: 1679: 1676: 1673: 1670: 1667: 1664: 1661: 1658: 1655: 1652: 1649: 1646: 1643: 1639: 1633: 1628: 1625: 1622: 1618: 1614: 1612: 1608: 1605: 1604: 1601: 1596: 1593: 1590: 1586: 1580: 1576: 1572: 1569: 1566: 1563: 1560: 1555: 1552: 1549: 1545: 1539: 1535: 1531: 1528: 1525: 1522: 1519: 1516: 1513: 1510: 1507: 1504: 1499: 1496: 1493: 1489: 1483: 1479: 1475: 1472: 1469: 1466: 1463: 1460: 1457: 1454: 1451: 1448: 1445: 1442: 1439: 1434: 1429: 1426: 1423: 1419: 1415: 1413: 1409: 1406: 1405: 1400: 1397: 1394: 1390: 1384: 1380: 1374: 1369: 1366: 1363: 1359: 1355: 1352: 1349: 1346: 1343: 1338: 1335: 1332: 1328: 1322: 1318: 1314: 1311: 1308: 1305: 1302: 1297: 1292: 1289: 1286: 1282: 1278: 1275: 1272: 1269: 1266: 1261: 1258: 1255: 1251: 1245: 1241: 1237: 1234: 1231: 1228: 1225: 1222: 1219: 1216: 1213: 1210: 1207: 1204: 1199: 1194: 1191: 1188: 1184: 1180: 1178: 1174: 1171: 1170: 1165: 1162: 1159: 1155: 1149: 1145: 1139: 1134: 1131: 1128: 1124: 1120: 1117: 1114: 1111: 1108: 1103: 1100: 1097: 1094: 1091: 1087: 1081: 1077: 1073: 1070: 1067: 1064: 1061: 1056: 1051: 1048: 1045: 1041: 1037: 1034: 1031: 1028: 1025: 1022: 1017: 1014: 1011: 1008: 1005: 1001: 995: 991: 987: 984: 981: 978: 975: 972: 969: 966: 963: 960: 957: 954: 949: 944: 941: 938: 934: 928: 924: 920: 918: 894: 891: 888: 885: 882: 878: 872: 868: 864: 861: 858: 855: 852: 849: 846: 843: 840: 837: 834: 831: 826: 821: 818: 815: 811: 807: 804: 801: 798: 794: 791: 769: 766: 763: 760: 757: 753: 747: 743: 739: 736: 733: 730: 727: 722: 717: 714: 711: 707: 703: 700: 697: 694: 690: 687: 664: 661: 658: 653: 649: 645: 641: 636: 632: 626: 622: 616: 611: 608: 605: 601: 595: 591: 587: 584: 581: 578: 575: 563: 560: 521: 518: 446: 443: 440: 433: 429: 424: 421: 418: 415: 409: 405: 402: 396: 392: 389: 386: 383: 377: 373: 370: 347: 343: 319: 316: 313: 282: 278: 274: 269: 264: 260: 253: 249: 246: 222: 219: 214: 211: 205: 201: 198: 177: 174: 171: 168: 165: 162: 159: 156: 152: 149: 145: 142: 139: 136: 133: 130: 126: 123: 117: 113: 91:, named after 68: 65: 43: 40: 35: 32: 15: 9: 6: 4: 3: 2: 7215: 7204: 7201: 7200: 7198: 7185: 7181: 7176: 7171: 7167: 7163: 7159: 7152: 7150: 7148: 7139: 7135: 7128: 7120: 7113: 7105: 7103:0-8176-3318-9 7099: 7095: 7088: 7086: 7077: 7070: 7068: 7063: 7053: 7047: 7041: 7037: 7033: 7029: 7028: 7023: 7019: 7014: 7013: 7008: 7005: 7000: 6999: 6991: 6988: 6986: 6983: 6981: 6978: 6977: 6971: 6969: 6965: 6954: 6951: 6933: 6928: 6924: 6901: 6898: 6894: 6873: 6869: 6862: 6859: 6854: 6850: 6826: 6823: 6819: 6813: 6809: 6788: 6784: 6780: 6760: 6757: 6754: 6751: 6747: 6744: 6737: 6734: 6731: 6725: 6721: 6718: 6714: 6704: 6697: 6692: 6688: 6684: 6666: 6661: 6657: 6632: 6628: 6624: 6619: 6615: 6610: 6587: 6583: 6556: 6552: 6529: 6525: 6498: 6494: 6470: 6462: 6458: 6433: 6429: 6425: 6422: 6418: 6412: 6408: 6397: 6394: 6391: 6387: 6383: 6380: 6377: 6374: 6369: 6365: 6361: 6358: 6353: 6349: 6339: 6330: 6328: 6324: 6306: 6303: 6300: 6296: 6291: 6285: 6281: 6271: 6268: 6251: 6247: 6241: 6238: 6235: 6231: 6225: 6220: 6216: 6195: 6192: 6187: 6184: 6181: 6177: 6173: 6168: 6164: 6158: 6154: 6150: 6145: 6142: 6139: 6135: 6131: 6126: 6122: 6116: 6108: 6105: 6102: 6099: 6096: 6084: 6077: 6070: 6051: 6048: 6045: 6042: 6039: 6035: 6030: 6024: 6021: 6018: 6014: 6010: 6005: 6001: 5995: 5987: 5984: 5981: 5978: 5975: 5968: 5957: 5954: 5951: 5947: 5943: 5938: 5935: 5932: 5928: 5922: 5918: 5912: 5904: 5901: 5898: 5892: 5890: 5881: 5875: 5872: 5869: 5866: 5863: 5859: 5853: 5850: 5847: 5843: 5832: 5829: 5826: 5822: 5818: 5813: 5810: 5807: 5804: 5801: 5797: 5791: 5787: 5781: 5773: 5770: 5767: 5764: 5761: 5748: 5745: 5742: 5738: 5733: 5729: 5724: 5721: 5718: 5714: 5708: 5704: 5698: 5690: 5687: 5684: 5678: 5676: 5666: 5663: 5660: 5657: 5654: 5650: 5644: 5641: 5638: 5634: 5623: 5620: 5617: 5613: 5609: 5605: 5599: 5596: 5593: 5590: 5587: 5583: 5577: 5573: 5568: 5564: 5561: 5555: 5552: 5549: 5543: 5537: 5534: 5531: 5528: 5525: 5516: 5513: 5510: 5503: 5492: 5489: 5486: 5482: 5478: 5473: 5470: 5467: 5463: 5457: 5453: 5448: 5444: 5441: 5438: 5435: 5429: 5426: 5423: 5417: 5413: 5408: 5404: 5402: 5392: 5389: 5386: 5383: 5380: 5376: 5370: 5367: 5364: 5360: 5349: 5346: 5343: 5339: 5335: 5331: 5325: 5322: 5319: 5316: 5313: 5309: 5303: 5299: 5294: 5290: 5287: 5281: 5278: 5275: 5269: 5263: 5260: 5257: 5254: 5251: 5242: 5239: 5236: 5229: 5218: 5215: 5212: 5208: 5203: 5199: 5197: 5187: 5184: 5181: 5178: 5175: 5171: 5165: 5162: 5159: 5155: 5144: 5141: 5138: 5134: 5130: 5125: 5122: 5119: 5116: 5113: 5109: 5103: 5099: 5088: 5085: 5082: 5078: 5074: 5069: 5066: 5063: 5060: 5057: 5053: 5047: 5043: 5036: 5033: 5030: 5017: 5014: 5011: 5007: 5003: 4998: 4995: 4992: 4989: 4986: 4982: 4976: 4972: 4965: 4962: 4959: 4956: 4953: 4944: 4941: 4938: 4925: 4922: 4919: 4915: 4911: 4909: 4899: 4896: 4893: 4890: 4887: 4884: 4881: 4877: 4871: 4868: 4865: 4861: 4850: 4847: 4844: 4841: 4838: 4834: 4830: 4825: 4822: 4819: 4816: 4813: 4809: 4803: 4799: 4788: 4785: 4782: 4778: 4774: 4769: 4766: 4763: 4760: 4757: 4753: 4747: 4743: 4736: 4733: 4730: 4717: 4714: 4711: 4707: 4703: 4698: 4695: 4692: 4689: 4686: 4682: 4676: 4672: 4665: 4662: 4659: 4656: 4653: 4644: 4641: 4638: 4625: 4622: 4619: 4615: 4611: 4609: 4599: 4596: 4593: 4590: 4587: 4583: 4577: 4573: 4562: 4559: 4556: 4552: 4548: 4543: 4540: 4537: 4534: 4531: 4527: 4521: 4517: 4506: 4503: 4500: 4496: 4492: 4487: 4484: 4481: 4478: 4475: 4471: 4465: 4461: 4454: 4451: 4448: 4435: 4432: 4429: 4425: 4421: 4416: 4413: 4410: 4407: 4404: 4400: 4394: 4390: 4383: 4380: 4377: 4374: 4371: 4362: 4359: 4356: 4343: 4340: 4337: 4333: 4329: 4327: 4317: 4314: 4311: 4307: 4301: 4297: 4286: 4283: 4280: 4276: 4270: 4267: 4262: 4257: 4254: 4251: 4247: 4241: 4237: 4226: 4223: 4220: 4216: 4208: 4204: 4200: 4195: 4190: 4187: 4184: 4181: 4178: 4174: 4168: 4164: 4157: 4154: 4151: 4138: 4135: 4132: 4128: 4122: 4119: 4114: 4109: 4106: 4103: 4100: 4097: 4093: 4087: 4083: 4076: 4073: 4070: 4067: 4064: 4055: 4052: 4049: 4036: 4033: 4030: 4026: 4022: 4020: 4010: 4007: 4004: 4000: 3994: 3990: 3979: 3976: 3973: 3969: 3964: 3958: 3955: 3950: 3943: 3939: 3935: 3929: 3925: 3920: 3917: 3914: 3911: 3908: 3904: 3898: 3894: 3887: 3884: 3881: 3868: 3865: 3862: 3858: 3852: 3849: 3844: 3839: 3836: 3833: 3830: 3827: 3823: 3817: 3813: 3806: 3803: 3800: 3797: 3794: 3785: 3782: 3779: 3774: 3762: 3759: 3756: 3752: 3738: 3719: 3716: 3713: 3710: 3707: 3703: 3697: 3693: 3686: 3683: 3680: 3677: 3674: 3665: 3662: 3659: 3646: 3643: 3640: 3636: 3632: 3630: 3624: 3621: 3611: 3608: 3605: 3602: 3599: 3595: 3589: 3585: 3578: 3575: 3572: 3559: 3556: 3553: 3549: 3545: 3543: 3537: 3534: 3524: 3521: 3518: 3514: 3508: 3504: 3493: 3490: 3487: 3483: 3479: 3477: 3472: 3459: 3457: 3441: 3438: 3435: 3431: 3425: 3422: 3417: 3410: 3406: 3402: 3396: 3392: 3388: 3385: 3379: 3376: 3371: 3367: 3364: 3360: 3357: 3350: 3346: 3341: 3338: 3335: 3329: 3325: 3322: 3316: 3313: 3308: 3304: 3301: 3292: 3287: 3274: 3271: 3268: 3262: 3259: 3256: 3250: 3246: 3243: 3239: 3236: 3232: 3229: 3223: 3219: 3204: 3200: 3195: 3191: 3186: 3181: 3166: 3162: 3155: 3149: 3146: 3140: 3132: 3128: 3121: 3115: 3112: 3108: 3101: 3093: 3089: 3085: 3079: 3073: 3070: 3066: 3059: 3051: 3047: 3041: 3037: 3014: 3011: 3008: 3004: 2998: 2994: 2983: 2980: 2977: 2973: 2969: 2963: 2955: 2951: 2940: 2936: 2930: 2911: 2907: 2903: 2901: 2894: 2890: 2883: 2877: 2874: 2871: 2860: 2849: 2846: 2843: 2836: 2832: 2826: 2815: 2812: 2809: 2802: 2795: 2792: 2789: 2778: 2775: 2772: 2767: 2764: 2761: 2757: 2747: 2744: 2741: 2735: 2732: 2728: 2717: 2713: 2706: 2703: 2700: 2694: 2691: 2688: 2686: 2679: 2675: 2668: 2662: 2659: 2656: 2645: 2634: 2631: 2628: 2621: 2617: 2611: 2600: 2597: 2594: 2587: 2580: 2577: 2574: 2563: 2560: 2557: 2552: 2549: 2546: 2542: 2534: 2531: 2529: 2522: 2518: 2511: 2505: 2502: 2499: 2488: 2477: 2474: 2471: 2464: 2460: 2454: 2443: 2440: 2437: 2430: 2423: 2420: 2417: 2406: 2403: 2400: 2395: 2392: 2389: 2385: 2381: 2376: 2372: 2365: 2362: 2359: 2353: 2341: 2338: 2325: 2320: 2316: 2309: 2303: 2300: 2297: 2286: 2275: 2272: 2269: 2262: 2258: 2252: 2241: 2238: 2235: 2228: 2221: 2218: 2215: 2204: 2201: 2198: 2193: 2190: 2187: 2183: 2179: 2174: 2170: 2163: 2160: 2157: 2151: 2142: 2136: 2134: 2130: 2126: 2122: 2118: 2114: 2110: 2106: 2102: 2083: 2077: 2074: 2070: 2067: 2064: 2060: 2057: 2054: 2050: 2047: 2044: 2040: 2037: 2033: 2029: 2026: 2023: 2019: 2015: 2006: 1989: 1986: 1981: 1978: 1975: 1971: 1965: 1961: 1956: 1949: 1943: 1940: 1934: 1931: 1928: 1919: 1913: 1910: 1904: 1901: 1898: 1889: 1886: 1883: 1880: 1877: 1870: 1859: 1856: 1853: 1849: 1845: 1840: 1836: 1830: 1826: 1821: 1814: 1808: 1805: 1802: 1796: 1790: 1787: 1781: 1778: 1775: 1769: 1765: 1757: 1748: 1745: 1742: 1738: 1732: 1728: 1723: 1716: 1710: 1707: 1701: 1698: 1695: 1686: 1680: 1677: 1671: 1668: 1665: 1656: 1653: 1650: 1647: 1644: 1637: 1626: 1623: 1620: 1616: 1613: 1606: 1594: 1591: 1588: 1584: 1578: 1574: 1567: 1561: 1558: 1553: 1550: 1547: 1543: 1537: 1533: 1526: 1523: 1520: 1511: 1505: 1502: 1497: 1494: 1491: 1487: 1481: 1477: 1470: 1467: 1464: 1455: 1452: 1449: 1446: 1443: 1427: 1424: 1421: 1417: 1414: 1407: 1398: 1395: 1392: 1388: 1382: 1378: 1367: 1364: 1361: 1357: 1350: 1344: 1341: 1336: 1333: 1330: 1326: 1320: 1316: 1309: 1306: 1303: 1290: 1287: 1284: 1280: 1273: 1267: 1264: 1259: 1256: 1253: 1249: 1243: 1239: 1232: 1229: 1226: 1217: 1214: 1211: 1208: 1205: 1192: 1189: 1186: 1182: 1179: 1172: 1163: 1160: 1157: 1153: 1147: 1143: 1132: 1129: 1126: 1122: 1115: 1109: 1106: 1101: 1098: 1095: 1092: 1089: 1085: 1079: 1075: 1068: 1065: 1062: 1049: 1046: 1043: 1039: 1032: 1026: 1023: 1020: 1015: 1012: 1009: 1006: 1003: 999: 993: 989: 982: 979: 976: 967: 964: 961: 958: 955: 942: 939: 936: 932: 926: 922: 907: 892: 889: 886: 883: 880: 876: 870: 866: 859: 856: 853: 844: 841: 838: 835: 832: 819: 816: 813: 809: 805: 799: 792: 789: 767: 764: 761: 758: 755: 751: 745: 741: 734: 731: 728: 715: 712: 709: 705: 701: 695: 688: 685: 675: 659: 656: 651: 647: 639: 634: 630: 624: 620: 609: 606: 603: 599: 593: 589: 585: 579: 573: 559: 556: 554: 550: 545: 543: 539: 533: 531: 527: 517: 515: 511: 507: 503: 497: 492: 487: 483: 479: 473: 469: 465: 460: 444: 441: 438: 431: 427: 419: 413: 407: 403: 400: 394: 387: 381: 375: 371: 368: 345: 341: 331: 317: 314: 311: 304: 299: 280: 276: 272: 267: 262: 258: 251: 247: 244: 220: 217: 212: 209: 203: 199: 196: 175: 172: 169: 163: 157: 154: 150: 147: 143: 137: 131: 128: 124: 121: 115: 111: 102: 98: 94: 90: 86: 66: 63: 41: 38: 33: 30: 21: 7165: 7161: 7137: 7133: 7127: 7118: 7112: 7093: 7075: 7026: 7010: 6967: 6963: 6960: 6949: 6702: 6695: 6686: 6685: 6340: 6336: 6272: 6269: 6082: 6075: 6071: 3739: 3460: 3455: 3290: 3288: 3210: 3198: 3193: 3189: 3184: 3182: 2938: 2934: 2931: 2342: 2339: 2140: 2137: 2132: 2128: 2124: 2120: 2116: 2112: 2108: 2104: 2100: 2007: 908: 676: 565: 557: 552: 548: 546: 541: 537: 534: 529: 525: 523: 513: 509: 505: 501: 495: 485: 481: 477: 471: 467: 463: 332: 300: 103:of the form 88: 82: 85:mathematics 7140:: 159–204. 7059:References 7032:Providence 3029:satisfies 461:if either 7184:2075-1680 7168:(1): 32. 7012:MathWorld 6899:− 6860:− 6752:− 6735:− 6625:− 6403:∞ 6388:∑ 6378:⁡ 6304:− 6239:− 6185:− 6174:− 6143:− 6132:− 6106:− 6049:− 6022:− 6011:− 5985:− 5963:∞ 5948:∑ 5936:− 5902:− 5873:− 5851:− 5838:∞ 5823:∑ 5819:− 5811:− 5771:− 5754:∞ 5739:∑ 5722:− 5688:− 5664:− 5642:− 5629:∞ 5614:∑ 5610:− 5597:− 5544:− 5535:− 5498:∞ 5483:∑ 5471:− 5436:− 5427:− 5390:− 5368:− 5355:∞ 5340:∑ 5336:− 5323:− 5270:− 5261:− 5224:∞ 5209:∑ 5185:− 5163:− 5150:∞ 5135:∑ 5131:− 5123:− 5094:∞ 5079:∑ 5067:− 5023:∞ 5008:∑ 5004:− 4996:− 4963:− 4931:∞ 4916:∑ 4897:− 4885:− 4869:− 4856:∞ 4842:− 4835:∑ 4831:− 4823:− 4794:∞ 4779:∑ 4767:− 4723:∞ 4708:∑ 4704:− 4696:− 4663:− 4631:∞ 4616:∑ 4597:− 4568:∞ 4553:∑ 4549:− 4541:− 4512:∞ 4497:∑ 4485:− 4441:∞ 4426:∑ 4422:− 4414:− 4381:− 4349:∞ 4334:∑ 4292:∞ 4277:∑ 4263:− 4232:∞ 4217:∑ 4188:− 4144:∞ 4129:∑ 4115:− 4107:− 4074:− 4042:∞ 4027:∑ 3985:∞ 3970:∑ 3951:− 3918:− 3874:∞ 3859:∑ 3845:− 3837:− 3804:− 3768:∞ 3753:∑ 3717:− 3684:− 3652:∞ 3637:∑ 3609:− 3565:∞ 3550:∑ 3499:∞ 3484:∑ 3418:− 3372:− 3339:− 3309:− 3260:− 3237:− 2989:∞ 2974:∑ 2875:− 2847:− 2813:− 2776:− 2758:∑ 2733:− 2692:− 2660:− 2632:− 2598:− 2561:− 2543:∑ 2503:− 2475:− 2441:− 2404:− 2386:∑ 2301:− 2273:− 2239:− 2202:− 2184:∑ 2027:− 1887:− 1865:∞ 1850:∑ 1779:− 1654:− 1632:∞ 1617:∑ 1453:− 1433:∞ 1418:∑ 1373:∞ 1358:∑ 1296:∞ 1281:∑ 1215:− 1198:∞ 1183:∑ 1138:∞ 1123:∑ 1099:− 1055:∞ 1040:∑ 1013:− 965:− 948:∞ 933:∑ 890:− 842:− 825:∞ 810:∑ 765:− 721:∞ 706:∑ 657:≠ 615:∞ 600:∑ 252:≡ 204:≡ 64:− 7197:Category 7024:(2012). 6974:See also 6748:′ 6722:″ 6575:and the 6078:βˆ’ 1) = 0 3625:″ 3538:′ 3389:′ 3368:″ 3326:′ 3305:″ 3293:to give 3247:′ 3233:″ 3109:′ 3067:″ 793:″ 689:′ 493:at  491:analytic 404:′ 372:″ 248:″ 200:′ 151:′ 125:″ 6687:Example 3207:Example 2943:above, 489:is not 7182:  7162:Axioms 7100:  7042:  6450:where 508:) and 87:, the 6693:with 6321:is a 6072:From 526:forms 188:with 7180:ISSN 7098:ISBN 7040:ISBN 6801:and 6700:and 549:form 236:and 56:and 7170:doi 6707:): 6705:= 2 6698:= 1 3187:in 2144:is 498:= 0 475:or 330:. 83:In 7199:: 7178:. 7166:12 7164:. 7160:. 7146:^ 7138:66 7136:. 7084:^ 7066:^ 7038:. 7034:: 7030:. 7009:. 6953:. 6948:1/ 6375:ln 6329:. 2135:. 484:)/ 470:)/ 298:. 7186:. 7172:: 7106:. 7048:. 7015:. 6968:r 6950:z 6934:, 6929:0 6925:z 6902:1 6895:z 6874:z 6870:/ 6866:) 6863:1 6855:z 6851:e 6847:( 6827:, 6824:z 6820:/ 6814:z 6810:e 6789:z 6785:/ 6781:1 6761:0 6758:= 6755:u 6745:u 6741:) 6738:z 6732:2 6729:( 6726:+ 6719:u 6715:z 6703:b 6696:a 6681:C 6667:. 6662:k 6658:B 6633:2 6629:r 6620:1 6616:r 6611:B 6588:k 6584:B 6573:C 6557:0 6553:B 6530:k 6526:B 6515:C 6499:2 6495:r 6474:) 6471:x 6468:( 6463:1 6459:y 6434:2 6430:r 6426:+ 6423:k 6419:x 6413:k 6409:B 6398:0 6395:= 6392:k 6384:+ 6381:x 6370:1 6366:y 6362:C 6359:= 6354:2 6350:y 6307:1 6301:k 6297:A 6292:/ 6286:k 6282:A 6252:2 6248:k 6242:1 6236:k 6232:A 6226:= 6221:k 6217:A 6196:0 6193:= 6188:1 6182:k 6178:A 6169:k 6165:A 6159:2 6155:k 6151:= 6146:1 6140:k 6136:A 6127:k 6123:A 6117:2 6113:) 6109:1 6103:1 6100:+ 6097:k 6094:( 6083:z 6076:r 6074:( 6052:2 6046:r 6043:+ 6040:k 6036:z 6031:) 6025:1 6019:k 6015:A 6006:k 6002:A 5996:2 5992:) 5988:1 5982:r 5979:+ 5976:k 5973:( 5969:( 5958:1 5955:= 5952:k 5944:+ 5939:2 5933:r 5929:z 5923:0 5919:A 5913:2 5909:) 5905:1 5899:r 5896:( 5893:= 5882:} 5876:2 5870:r 5867:+ 5864:k 5860:z 5854:1 5848:k 5844:A 5833:1 5830:= 5827:k 5814:2 5808:r 5805:+ 5802:k 5798:z 5792:k 5788:A 5782:2 5778:) 5774:1 5768:r 5765:+ 5762:k 5759:( 5749:1 5746:= 5743:k 5734:{ 5730:+ 5725:2 5719:r 5715:z 5709:0 5705:A 5699:2 5695:) 5691:1 5685:r 5682:( 5679:= 5667:2 5661:r 5658:+ 5655:k 5651:z 5645:1 5639:k 5635:A 5624:1 5621:= 5618:k 5606:} 5600:2 5594:r 5591:+ 5588:k 5584:z 5578:k 5574:A 5569:) 5565:1 5562:+ 5559:) 5556:r 5553:+ 5550:k 5547:( 5541:) 5538:1 5532:r 5529:+ 5526:k 5523:( 5520:) 5517:r 5514:+ 5511:k 5508:( 5504:( 5493:1 5490:= 5487:k 5479:+ 5474:2 5468:r 5464:z 5458:0 5454:A 5449:) 5445:1 5442:+ 5439:r 5433:) 5430:1 5424:r 5421:( 5418:r 5414:( 5409:{ 5405:= 5393:2 5387:r 5384:+ 5381:k 5377:z 5371:1 5365:k 5361:A 5350:1 5347:= 5344:k 5332:} 5326:2 5320:r 5317:+ 5314:k 5310:z 5304:k 5300:A 5295:) 5291:1 5288:+ 5285:) 5282:r 5279:+ 5276:k 5273:( 5267:) 5264:1 5258:r 5255:+ 5252:k 5249:( 5246:) 5243:r 5240:+ 5237:k 5234:( 5230:( 5219:0 5216:= 5213:k 5204:{ 5200:= 5188:2 5182:r 5179:+ 5176:k 5172:z 5166:1 5160:k 5156:A 5145:1 5142:= 5139:k 5126:2 5120:r 5117:+ 5114:k 5110:z 5104:k 5100:A 5089:0 5086:= 5083:k 5075:+ 5070:2 5064:r 5061:+ 5058:k 5054:z 5048:k 5044:A 5040:) 5037:r 5034:+ 5031:k 5028:( 5018:0 5015:= 5012:k 4999:2 4993:r 4990:+ 4987:k 4983:z 4977:k 4973:A 4969:) 4966:1 4960:r 4957:+ 4954:k 4951:( 4948:) 4945:r 4942:+ 4939:k 4936:( 4926:0 4923:= 4920:k 4912:= 4900:1 4894:r 4891:+ 4888:1 4882:k 4878:z 4872:1 4866:k 4862:A 4851:0 4848:= 4845:1 4839:k 4826:2 4820:r 4817:+ 4814:k 4810:z 4804:k 4800:A 4789:0 4786:= 4783:k 4775:+ 4770:2 4764:r 4761:+ 4758:k 4754:z 4748:k 4744:A 4740:) 4737:r 4734:+ 4731:k 4728:( 4718:0 4715:= 4712:k 4699:2 4693:r 4690:+ 4687:k 4683:z 4677:k 4673:A 4669:) 4666:1 4660:r 4657:+ 4654:k 4651:( 4648:) 4645:r 4642:+ 4639:k 4636:( 4626:0 4623:= 4620:k 4612:= 4600:1 4594:r 4591:+ 4588:k 4584:z 4578:k 4574:A 4563:0 4560:= 4557:k 4544:2 4538:r 4535:+ 4532:k 4528:z 4522:k 4518:A 4507:0 4504:= 4501:k 4493:+ 4488:2 4482:r 4479:+ 4476:k 4472:z 4466:k 4462:A 4458:) 4455:r 4452:+ 4449:k 4446:( 4436:0 4433:= 4430:k 4417:2 4411:r 4408:+ 4405:k 4401:z 4395:k 4391:A 4387:) 4384:1 4378:r 4375:+ 4372:k 4369:( 4366:) 4363:r 4360:+ 4357:k 4354:( 4344:0 4341:= 4338:k 4330:= 4318:r 4315:+ 4312:k 4308:z 4302:k 4298:A 4287:0 4284:= 4281:k 4271:z 4268:1 4258:r 4255:+ 4252:k 4248:z 4242:k 4238:A 4227:0 4224:= 4221:k 4209:2 4205:z 4201:1 4196:+ 4191:1 4185:r 4182:+ 4179:k 4175:z 4169:k 4165:A 4161:) 4158:r 4155:+ 4152:k 4149:( 4139:0 4136:= 4133:k 4123:z 4120:1 4110:2 4104:r 4101:+ 4098:k 4094:z 4088:k 4084:A 4080:) 4077:1 4071:r 4068:+ 4065:k 4062:( 4059:) 4056:r 4053:+ 4050:k 4047:( 4037:0 4034:= 4031:k 4023:= 4011:r 4008:+ 4005:k 4001:z 3995:k 3991:A 3980:0 3977:= 3974:k 3965:) 3959:z 3956:1 3944:2 3940:z 3936:1 3930:( 3926:+ 3921:1 3915:r 3912:+ 3909:k 3905:z 3899:k 3895:A 3891:) 3888:r 3885:+ 3882:k 3879:( 3869:0 3866:= 3863:k 3853:z 3850:1 3840:2 3834:r 3831:+ 3828:k 3824:z 3818:k 3814:A 3810:) 3807:1 3801:r 3798:+ 3795:k 3792:( 3789:) 3786:r 3783:+ 3780:k 3777:( 3763:0 3760:= 3757:k 3720:2 3714:r 3711:+ 3708:k 3704:z 3698:k 3694:A 3690:) 3687:1 3681:r 3678:+ 3675:k 3672:( 3669:) 3666:r 3663:+ 3660:k 3657:( 3647:0 3644:= 3641:k 3633:= 3622:f 3612:1 3606:r 3603:+ 3600:k 3596:z 3590:k 3586:A 3582:) 3579:r 3576:+ 3573:k 3570:( 3560:0 3557:= 3554:k 3546:= 3535:f 3525:r 3522:+ 3519:k 3515:z 3509:k 3505:A 3494:0 3491:= 3488:k 3480:= 3473:f 3456:z 3442:0 3439:= 3436:f 3432:) 3426:z 3423:1 3411:2 3407:z 3403:1 3397:( 3393:+ 3386:f 3380:z 3377:1 3365:f 3361:= 3358:f 3351:2 3347:z 3342:z 3336:1 3330:+ 3323:f 3317:z 3314:1 3302:f 3291:z 3275:0 3272:= 3269:f 3266:) 3263:z 3257:1 3254:( 3251:+ 3244:f 3240:z 3230:f 3224:2 3220:z 3201:) 3199:z 3197:( 3194:r 3190:U 3185:r 3167:r 3163:z 3159:) 3156:r 3153:( 3150:I 3147:= 3144:) 3141:z 3138:( 3133:r 3129:U 3125:) 3122:z 3119:( 3116:q 3113:+ 3106:) 3102:z 3099:( 3094:r 3090:U 3086:z 3083:) 3080:z 3077:( 3074:p 3071:+ 3064:) 3060:z 3057:( 3052:r 3048:U 3042:2 3038:z 3015:r 3012:+ 3009:k 3005:z 2999:k 2995:A 2984:0 2981:= 2978:k 2970:= 2967:) 2964:z 2961:( 2956:r 2952:U 2939:k 2935:A 2912:k 2908:A 2904:= 2895:j 2891:A 2884:! 2881:) 2878:j 2872:k 2869:( 2864:) 2861:0 2858:( 2853:) 2850:j 2844:k 2841:( 2837:q 2833:+ 2830:) 2827:0 2824:( 2819:) 2816:j 2810:k 2807:( 2803:p 2799:) 2796:r 2793:+ 2790:j 2787:( 2779:1 2773:k 2768:0 2765:= 2762:j 2751:) 2748:r 2745:+ 2742:k 2739:( 2736:I 2729:1 2718:k 2714:A 2710:) 2707:r 2704:+ 2701:k 2698:( 2695:I 2689:= 2680:j 2676:A 2669:! 2666:) 2663:j 2657:k 2654:( 2649:) 2646:0 2643:( 2638:) 2635:j 2629:k 2626:( 2622:q 2618:+ 2615:) 2612:0 2609:( 2604:) 2601:j 2595:k 2592:( 2588:p 2584:) 2581:r 2578:+ 2575:j 2572:( 2564:1 2558:k 2553:0 2550:= 2547:j 2535:0 2532:= 2523:j 2519:A 2512:! 2509:) 2506:j 2500:k 2497:( 2492:) 2489:0 2486:( 2481:) 2478:j 2472:k 2469:( 2465:q 2461:+ 2458:) 2455:0 2452:( 2447:) 2444:j 2438:k 2435:( 2431:p 2427:) 2424:r 2421:+ 2418:j 2415:( 2407:1 2401:k 2396:0 2393:= 2390:j 2382:+ 2377:k 2373:A 2369:) 2366:r 2363:+ 2360:k 2357:( 2354:I 2326:, 2321:j 2317:A 2310:! 2307:) 2304:j 2298:k 2295:( 2290:) 2287:0 2284:( 2279:) 2276:j 2270:k 2267:( 2263:q 2259:+ 2256:) 2253:0 2250:( 2245:) 2242:j 2236:k 2233:( 2229:p 2225:) 2222:r 2219:+ 2216:j 2213:( 2205:1 2199:k 2194:0 2191:= 2188:j 2180:+ 2175:k 2171:A 2167:) 2164:r 2161:+ 2158:k 2155:( 2152:I 2141:z 2133:z 2129:k 2125:r 2121:r 2117:r 2113:z 2105:r 2087:) 2084:r 2081:( 2078:I 2075:= 2071:) 2068:0 2065:( 2061:q 2058:+ 2055:r 2051:) 2048:0 2045:( 2041:p 2038:+ 2034:) 2030:1 2024:r 2020:( 2016:r 1990:0 1987:= 1982:r 1979:+ 1976:k 1972:z 1966:k 1962:A 1957:] 1953:) 1950:z 1947:( 1944:q 1941:+ 1938:) 1935:r 1932:+ 1929:k 1926:( 1923:) 1920:z 1917:( 1914:p 1911:+ 1908:) 1905:r 1902:+ 1899:k 1896:( 1893:) 1890:1 1884:r 1881:+ 1878:k 1875:( 1871:[ 1860:1 1857:= 1854:k 1846:+ 1841:r 1837:z 1831:0 1827:A 1822:] 1818:) 1815:z 1812:( 1809:q 1806:+ 1803:r 1800:) 1797:z 1794:( 1791:p 1788:+ 1785:) 1782:1 1776:r 1773:( 1770:r 1766:[ 1758:= 1749:r 1746:+ 1743:k 1739:z 1733:k 1729:A 1724:] 1720:) 1717:z 1714:( 1711:q 1708:+ 1705:) 1702:r 1699:+ 1696:k 1693:( 1690:) 1687:z 1684:( 1681:p 1678:+ 1675:) 1672:r 1669:+ 1666:k 1663:( 1660:) 1657:1 1651:r 1648:+ 1645:k 1642:( 1638:[ 1627:0 1624:= 1621:k 1607:= 1600:] 1595:r 1592:+ 1589:k 1585:z 1579:k 1575:A 1571:) 1568:z 1565:( 1562:q 1559:+ 1554:r 1551:+ 1548:k 1544:z 1538:k 1534:A 1530:) 1527:r 1524:+ 1521:k 1518:( 1515:) 1512:z 1509:( 1506:p 1503:+ 1498:r 1495:+ 1492:k 1488:z 1482:k 1478:A 1474:) 1471:r 1468:+ 1465:k 1462:( 1459:) 1456:1 1450:r 1447:+ 1444:k 1441:( 1438:[ 1428:0 1425:= 1422:k 1408:= 1399:r 1396:+ 1393:k 1389:z 1383:k 1379:A 1368:0 1365:= 1362:k 1354:) 1351:z 1348:( 1345:q 1342:+ 1337:r 1334:+ 1331:k 1327:z 1321:k 1317:A 1313:) 1310:r 1307:+ 1304:k 1301:( 1291:0 1288:= 1285:k 1277:) 1274:z 1271:( 1268:p 1265:+ 1260:r 1257:+ 1254:k 1250:z 1244:k 1240:A 1236:) 1233:r 1230:+ 1227:k 1224:( 1221:) 1218:1 1212:r 1209:+ 1206:k 1203:( 1193:0 1190:= 1187:k 1173:= 1164:r 1161:+ 1158:k 1154:z 1148:k 1144:A 1133:0 1130:= 1127:k 1119:) 1116:z 1113:( 1110:q 1107:+ 1102:1 1096:r 1093:+ 1090:k 1086:z 1080:k 1076:A 1072:) 1069:r 1066:+ 1063:k 1060:( 1050:0 1047:= 1044:k 1036:) 1033:z 1030:( 1027:p 1024:z 1021:+ 1016:2 1010:r 1007:+ 1004:k 1000:z 994:k 990:A 986:) 983:r 980:+ 977:k 974:( 971:) 968:1 962:r 959:+ 956:k 953:( 943:0 940:= 937:k 927:2 923:z 893:2 887:r 884:+ 881:k 877:z 871:k 867:A 863:) 860:r 857:+ 854:k 851:( 848:) 845:1 839:r 836:+ 833:k 830:( 820:0 817:= 814:k 806:= 803:) 800:z 797:( 790:u 768:1 762:r 759:+ 756:k 752:z 746:k 742:A 738:) 735:r 732:+ 729:k 726:( 716:0 713:= 710:k 702:= 699:) 696:z 693:( 686:u 663:) 660:0 652:0 648:A 644:( 640:, 635:k 631:z 625:k 621:A 610:0 607:= 604:k 594:r 590:z 586:= 583:) 580:z 577:( 574:u 553:r 538:r 514:z 512:( 510:q 506:z 504:( 502:p 496:z 486:z 482:z 480:( 478:q 472:z 468:z 466:( 464:p 445:0 442:= 439:u 432:2 428:z 423:) 420:z 417:( 414:q 408:+ 401:u 395:z 391:) 388:z 385:( 382:p 376:+ 369:u 346:2 342:z 318:0 315:= 312:z 281:2 277:z 273:d 268:u 263:2 259:d 245:u 221:z 218:d 213:u 210:d 197:u 176:0 173:= 170:u 167:) 164:z 161:( 158:q 155:+ 148:u 144:z 141:) 138:z 135:( 132:p 129:+ 122:u 116:2 112:z 79:. 67:1 42:2 39:1 34:= 31:r

Index


mathematics
Ferdinand Georg Frobenius
infinite series
ordinary differential equation
regular singular point
power series methods
analytic
rational function
generalized hypergeometric series
Kummer's equation
Fuchs' theorem
Regular singular point
Laurent series
Weisstein, Eric W.
"Frobenius Method"
MathWorld
Teschl, Gerald
Ordinary Differential Equations and Dynamical Systems
Providence
American Mathematical Society
ISBN
978-0-8218-8328-0
https://www.mat.univie.ac.at/~gerald/ftp/book-ode/




ISBN
0-8176-3318-9

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.

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