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Logical matrix

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Adding up all the ones in a logical matrix may be accomplished in two ways: first summing the rows or first summing the columns. When the row sums are added, the sum is the same as when the column sums are added. In
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in only two colors can be represented as a (0, 1)-matrix in which the zeros represent pixels of one color and the ones represent pixels of the other color.
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between two matrices applied component-wise. The complement of a logical matrix is obtained by swapping all zeros and ones for their opposite.
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Consider the table of group-like structures, where "unneeded" can be denoted 0, and "required" denoted by 1, forming a logical matrix
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4 does not hold because when 3 divides 4, there is a remainder of 1. The following set is the set of pairs for which the relation
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with the rows corresponding to "points" and the columns as "blocks" (generalizing lines made of points). A row sum is called its
479:{\displaystyle {\begin{pmatrix}1&1&1&1\\0&1&0&1\\0&0&1&0\\0&0&0&1\end{pmatrix}},} 2507: 2486: 2429: 2388: 2335: 3507: 3273: 821:. They arise in a variety of representations and have a number of more restricted special forms. They are applied e.g. in 773: 2007: 1930:
A reordering of the rows and columns of such a matrix can assemble all the ones into a rectangular part of the matrix.
709:, that is, the matrix whose entries on the diagonal are all 1, while the others are all 0. More generally, if relation 2651: 2456: 979:{\displaystyle \forall A,B\in U,\quad A\leq B\quad {\text{when}}\quad \forall i,j\quad A_{ij}=1\implies B_{ij}=1.} 3308: 2521: 1044:
is a logical matrix with no columns or rows identically zero. Then the matrix product, using Boolean arithmetic,
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and its variants are matrices that shows which pairs of points are closer than a certain vicinity threshold in a
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with given point degrees and block degrees; or in matrix language, for the existence of a (0, 1)-matrix of type
2855: 2589: 1782: 1718: 1871: 2687: 2085: 2039: 1964: 1088: 1047: 3072: 2709: 565: 531: 267:{\displaystyle m_{i,j}={\begin{cases}1&(x_{i},y_{j})\in R,\\0&(x_{i},y_{j})\not \in R.\end{cases}}} 66: 1712:= 1, it is a column vector. In either case the index equaling 1 is dropped from denotation of the vector. 3147: 2682: 2627: 659: 3303: 2825: 2635: 2372: 1150: 2144:
An early problem in the area was "to find necessary and sufficient conditions for the existence of an
3407: 3278: 3192: 2285: 62: 2677: 164: 3661: 3512: 3402: 3110: 2790: 2246:(1973). "A Fast Expected Time Algorithm for Boolean Matrix Multiplication and Transitive Closure". 1154: 745: 3547: 3476: 3358: 3218: 2815: 2702: 2248: 613: 526:
has ones to indicate incidence between points (or vertices) and lines of a geometry, blocks of a
2628:"II. Feasibility Theorems and Combinatorial Applications §2.12 Matrices composed of 0's and 1's" 3417: 3000: 2805: 2157: 1244: 699: 3363: 3100: 2950: 2945: 2780: 2755: 2750: 1954: 1188: 1173: 3557: 2915: 2745: 2725: 2661: 1863: 1193: 1178: 542: 40: 2469:(2013), "31. Matrices over Finite Fields §31.3 Binary Matrices", in Hogben, Leslie (ed.), 8: 3578: 3552: 3130: 2935: 2925: 2243: 2145: 1626: 594: 569: 502:
is a (0, 1)-matrix, all of whose columns and rows each have exactly one nonzero element.
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of the matrix representations of these relations. This product can be computed in
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Fulkerson, D.R.; Ryser, H.J. (1961). "Widths and heights of (0, 1)-matrices".
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Brualdi, Richard A.; Ryser, Herbert J. (1991). "Combinatorial Matrix Theory".
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In order to designate the row and column numbers of the matrix, the sets
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Handbook of Linear Algebra (Discrete Mathematics and Its Applications)
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which includes a diagonal of ones, since each number divides itself.
2283:(December 1948). "Matrix development of the calculus of relations". 2221: 1961:
is called a vector. A particular instance is the universal relation
3542: 2519:(1957). "Combinatorial properties of matrices of zeroes and ones". 2478: 2075: 1289: 1266: 733: 651:
A binary matrix can be used to check the game rules in the game of
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Frequently, operations on binary matrices are defined in terms of
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mod 2—that is, the elements are treated as elements of the
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with given row and column sums". This problem is solved by the
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4 holds because 2 divides 4 without leaving a remainder, but 3
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Ryser, H.J. (1960). "Traces of matrices of zeroes and ones".
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corresponds to a binary relation. These listed operations on
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is a (0, 1)-matrix, and any (0, 1)-matrix arises in this way.
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of two bits, transformed by 2x2 logical matrices, forms a
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The corresponding representation as a logical matrix is
378: 72: 2088: 2042: 2019: 1967: 1874: 1785: 1721: 1091: 1050: 881: 776: 372: 139: 2241: 836:binary matrices is equal to 2, and is thus finite. 118:whose row and column indices index the elements of 2354: 2104: 2058: 2028: 1983: 1919: 1835: 1771: 1107: 1066: 978: 814:{\displaystyle {\mathbf {GF}}(2)=\mathbb {Z} _{2}} 813: 478: 266: 2622: 1126:As a mathematical structure, the Boolean algebra 3653: 2441:Encyclopedia of Mathematics and its Applications 2414:Encyclopedia of Mathematics and its Applications 2369:Encyclopedia of Mathematics and its Applications 633:th number. This representation is useful in the 2266:— The algorithm relies on addition being 2601: 1998:, a maximal rectangular relation contained in 2710: 2565:Bulletin of the American Mathematical Society 2416:. Vol. 108. Cambridge University Press. 2363:(1999). "I. Examples and basic definitions". 1941:is an arbitrary logical vector, the relation 1153:, where the matrix multiplication represents 690:Multiplication of two logical matrices using 2443:. Vol. 39. Cambridge University Press. 2438: 568:, and a 1 on the diagonal corresponds to a 3284:Fundamental (linear differential equation) 2717: 2703: 2322:. Cambridge University Press. p. 91. 2279: 956: 952: 545:is a (0, 1)-matrix with constant row sums. 509:is a special case of a permutation matrix. 2576: 1836:{\displaystyle (Q_{j}),\,j=1,2,\ldots ,n} 1805: 1772:{\displaystyle (P_{i}),\,i=1,2,\ldots ,m} 1741: 801: 343:evenly, with no remainder. For example, 2 126:, respectively, such that the entries of 114:can be represented by the logical matrix 53:Such a matrix can be used to represent a 2473:(2nd ed.), Chapman & Hall/CRC, 2412:(2006). "Combinatorial Matrix Classes". 2219: 1920:{\displaystyle m_{ij}=P_{i}\land Q_{j}.} 1708:= 1, the vector is a row vector, and if 685: 3589:Matrix representation of conic sections 2408: 2314: 2105:{\displaystyle RR^{\operatorname {T} }} 2059:{\displaystyle RR^{\operatorname {T} }} 1984:{\displaystyle hh^{\operatorname {T} }} 1108:{\displaystyle AA^{\operatorname {T} }} 1067:{\displaystyle A^{\operatorname {T} }A} 3654: 2500:Boolean Matrix Theory and Applications 2119: 2698: 2554: 2533: 2515: 2465: 2349: 2347: 732:If the Boolean domain is viewed as a 2318:(2013). "6: Relations and Vectors". 2310: 2308: 2220:Petersen, Kjeld (February 8, 2013). 305:ranges from 1 to the cardinality of 2582:"Zero-one matrices with zero trace" 2494: 1937:be the vector of all ones. Then if 744:, the matrix representation of the 73:Matrix representation of a relation 13: 2724: 2344: 2129:, the matrix is interpreted as an 2097: 2082:. Consequently there are zeros in 2051: 1976: 1160: 1100: 1056: 920: 882: 681: 548:A logical matrix may represent an 14: 3678: 2670: 2305: 748:of two relations is equal to the 698:The matrix representation of the 564:, symmetric matrices to ordinary 492: 3623: 1949:has constant rows determined by 1149:, and ordering, correspond to a 782: 779: 736:, where addition corresponds to 612:) (0, 1)-matrix, where π is the 3491:Used in science and engineering 2604:Canadian Journal of Mathematics 2536:Canadian Journal of Mathematics 2522:Canadian Journal of Mathematics 2371:. Vol. 69 (2nd ed.). 932: 919: 913: 903: 604:numbers can be described as an 2734:Explicitly constrained entries 2590:Pacific Journal of Mathematics 2273: 2235: 2213: 1799: 1786: 1735: 1722: 953: 856:denote the set of all logical 793: 787: 245: 219: 198: 172: 1: 3508:Fundamental (computer vision) 2401: 2262:10.1016/s0019-9958(73)90228-3 1843:are two logical vectors. The 61:. It is an important tool in 16:Matrix of binary truth values 2557:"Matrices of Zeros and Ones" 2381:10.1017/CBO9780511549533.001 1559:Commutative-and-associative 572:at the corresponding vertex. 67:theoretical computer science 7: 3274:Duplication and elimination 3073:eigenvalues or eigenvectors 2683:Encyclopedia of Mathematics 2626:; Fulkerson, D.R. (2016) . 2163: 10: 3683: 3207:With specific applications 2836:Discrete Fourier Transform 2636:Princeton University Press 2373:Cambridge University Press 2177:(a binary De Bruijn torus) 2137:, and a column sum is the 839: 316: 285:are indexed with positive 3617: 3566: 3498:Cabibbo–Kobayashi–Maskawa 3490: 3436: 3372: 3206: 3125:Satisfying conditions on 3124: 3070: 3009: 2733: 2644:10.1515/9781400875184-004 2286:Journal of Symbolic Logic 2036:To calculate elements of 63:combinatorial mathematics 2449:10.1017/CBO9781107325708 2422:10.1017/CBO9780511721182 2328:10.1017/CBO9780511778810 2206: 1155:composition of relations 1141:Every logical matrix in 625:is 1 if and only if the 579:of a simple, undirected 2856:Generalized permutation 2249:Information and Control 2112:, and it fails to be a 2008:induced concept lattice 2002:is called a concept in 828:The number of distinct 702:on a finite set is the 614:prime-counting function 560:matrices correspond to 3630:Mathematics portal 2616:10.4153/CJM-1961-020-3 2548:10.4153/CJM-1960-040-0 2320:Relational Mathematics 2106: 2060: 2030: 1985: 1921: 1837: 1773: 1166:Group-like structures 1109: 1068: 980: 815: 740:and multiplication to 695: 480: 268: 43:with entries from the 2270:, cf. p.134 (bottom). 2107: 2061: 2031: 1994:For a given relation 1986: 1955:calculus of relations 1922: 1838: 1774: 1679:equals one, then the 1151:calculus of relations 1110: 1069: 1008:Every logical matrix 981: 816: 689: 629:th prime divides the 481: 333:holds if and only if 309:. See the article on 293:ranges from 1 to the 269: 2555:Ryser, H.J. (1960). 2244:O'Neil, Elizabeth J. 2242:O'Neil, Patrick E.; 2086: 2040: 2017: 1965: 1872: 1864:rectangular relation 1783: 1719: 1089: 1048: 997:with the operations 879: 774: 637:factoring algorithm. 543:analysis of variance 370: 321:The binary relation 137: 3579:Linear independence 2826:Diagonally dominant 2410:Brualdi, Richard A. 2146:incidence structure 2120:Row and column sums 1167: 329:is defined so that 85:between the finite 3584:Matrix exponential 3574:Jordan normal form 3408:Fisher information 3279:Euclidean distance 3193:Totally unimodular 2638:. pp. 79–91. 2357:Jungnickel, Dieter 2281:Copilowish, Irving 2201:Three-valued logic 2158:Gale–Ryser theorem 2127:incidence geometry 2114:universal relation 2102: 2056: 2029:{\displaystyle R.} 2026: 1981: 1917: 1833: 1769: 1605:Commutative monoid 1165: 1105: 1085:, and the product 1064: 976: 823:XOR-satisfiability 811: 765:modular arithmetic 727:reflexive relation 696: 577:biadjacency matrix 500:permutation matrix 476: 467: 264: 259: 57:between a pair of 3649: 3648: 3641:Category:Matrices 3513:Fuzzy associative 3403:Doubly stochastic 3111:Positive-definite 2791:Block tridiagonal 2632:Flows in Networks 2509:978-0-8247-1788-9 2488:978-0-429-18553-3 2431:978-0-521-86565-4 2390:978-0-521-44432-3 2337:978-0-511-77881-0 2078:is orthogonal to 2070:is orthogonal to 1669: 1668: 917: 852:be given and let 700:equality relation 664:transition system 660:four valued logic 313:for more detail. 3674: 3636:List of matrices 3628: 3627: 3604:Row echelon form 3548:State transition 3477:Seidel adjacency 3359:Totally positive 3219:Alternating sign 2816:Complex Hadamard 2719: 2712: 2705: 2696: 2695: 2691: 2678:"Logical matrix" 2665: 2619: 2598: 2586: 2573: 2561: 2551: 2530: 2512: 2491: 2462: 2435: 2395: 2394: 2351: 2342: 2341: 2316:Schmidt, Gunther 2312: 2303: 2302: 2277: 2271: 2265: 2239: 2233: 2232: 2230: 2228: 2217: 2191:Redheffer matrix 2170:List of matrices 2131:incidence matrix 2111: 2109: 2108: 2103: 2101: 2100: 2065: 2063: 2062: 2057: 2055: 2054: 2035: 2033: 2032: 2027: 1990: 1988: 1987: 1982: 1980: 1979: 1926: 1924: 1923: 1918: 1913: 1912: 1900: 1899: 1887: 1886: 1842: 1840: 1839: 1834: 1798: 1797: 1778: 1776: 1775: 1770: 1734: 1733: 1687:logical matrix ( 1168: 1164: 1114: 1112: 1111: 1106: 1104: 1103: 1073: 1071: 1070: 1065: 1060: 1059: 1039: 1024:has a transpose 1023: 985: 983: 982: 977: 969: 968: 945: 944: 918: 915: 820: 818: 817: 812: 810: 809: 804: 786: 785: 720: 550:adjacency matrix 530:, or edges of a 516:incidence matrix 485: 483: 482: 477: 472: 471: 328: 273: 271: 270: 265: 263: 262: 244: 243: 231: 230: 197: 196: 184: 183: 155: 154: 109: 52: 3682: 3681: 3677: 3676: 3675: 3673: 3672: 3671: 3662:Boolean algebra 3652: 3651: 3650: 3645: 3622: 3613: 3562: 3486: 3432: 3368: 3202: 3120: 3066: 3005: 2806:Centrosymmetric 2729: 2723: 2676: 2673: 2668: 2654: 2584: 2578:Fulkerson, D.R. 2559: 2510: 2489: 2459: 2432: 2404: 2399: 2398: 2391: 2352: 2345: 2338: 2313: 2306: 2278: 2274: 2240: 2236: 2226: 2224: 2218: 2214: 2209: 2186:Disjunct matrix 2166: 2122: 2096: 2092: 2087: 2084: 2083: 2050: 2046: 2041: 2038: 2037: 2018: 2015: 2014: 1975: 1971: 1966: 1963: 1962: 1908: 1904: 1895: 1891: 1879: 1875: 1873: 1870: 1869: 1793: 1789: 1784: 1781: 1780: 1729: 1725: 1720: 1717: 1716: 1695: 1163: 1161:Logical vectors 1099: 1095: 1090: 1087: 1086: 1083:identity matrix 1055: 1051: 1049: 1046: 1045: 1037: 1025: 1021: 1009: 995:Boolean algebra 961: 957: 937: 933: 914: 880: 877: 876: 864:matrices. Then 842: 805: 800: 799: 778: 777: 775: 772: 771: 714: 704:identity matrix 692:Boolean algebra 684: 682:Some properties 671:recurrence plot 635:quadratic sieve 624: 581:bipartite graph 562:directed graphs 524:finite geometry 495: 466: 465: 460: 455: 450: 444: 443: 438: 433: 428: 422: 421: 416: 411: 406: 400: 399: 394: 389: 384: 374: 373: 371: 368: 367: 326: 319: 258: 257: 239: 235: 226: 222: 217: 211: 210: 192: 188: 179: 175: 170: 160: 159: 144: 140: 138: 135: 134: 130:are defined by 97: 83:binary relation 75: 55:binary relation 47: 29:relation matrix 17: 12: 11: 5: 3680: 3670: 3669: 3664: 3647: 3646: 3644: 3643: 3638: 3633: 3618: 3615: 3614: 3612: 3611: 3606: 3601: 3596: 3594:Perfect matrix 3591: 3586: 3581: 3576: 3570: 3568: 3564: 3563: 3561: 3560: 3555: 3550: 3545: 3540: 3535: 3530: 3525: 3520: 3515: 3510: 3505: 3500: 3494: 3492: 3488: 3487: 3485: 3484: 3479: 3474: 3469: 3464: 3459: 3454: 3449: 3443: 3441: 3434: 3433: 3431: 3430: 3425: 3420: 3415: 3410: 3405: 3400: 3395: 3390: 3385: 3379: 3377: 3370: 3369: 3367: 3366: 3364:Transformation 3361: 3356: 3351: 3346: 3341: 3336: 3331: 3326: 3321: 3316: 3311: 3306: 3301: 3296: 3291: 3286: 3281: 3276: 3271: 3266: 3261: 3256: 3251: 3246: 3241: 3236: 3231: 3226: 3221: 3216: 3210: 3208: 3204: 3203: 3201: 3200: 3195: 3190: 3185: 3180: 3175: 3170: 3165: 3160: 3155: 3150: 3141: 3135: 3133: 3122: 3121: 3119: 3118: 3113: 3108: 3103: 3101:Diagonalizable 3098: 3093: 3088: 3083: 3077: 3075: 3071:Conditions on 3068: 3067: 3065: 3064: 3059: 3054: 3049: 3044: 3039: 3034: 3029: 3024: 3019: 3013: 3011: 3007: 3006: 3004: 3003: 2998: 2993: 2988: 2983: 2978: 2973: 2968: 2963: 2958: 2953: 2951:Skew-symmetric 2948: 2946:Skew-Hermitian 2943: 2938: 2933: 2928: 2923: 2918: 2913: 2908: 2903: 2898: 2893: 2888: 2883: 2878: 2873: 2868: 2863: 2858: 2853: 2848: 2843: 2838: 2833: 2828: 2823: 2818: 2813: 2808: 2803: 2798: 2793: 2788: 2783: 2781:Block-diagonal 2778: 2773: 2768: 2763: 2758: 2756:Anti-symmetric 2753: 2751:Anti-Hermitian 2748: 2743: 2737: 2735: 2731: 2730: 2722: 2721: 2714: 2707: 2699: 2693: 2692: 2672: 2671:External links 2669: 2667: 2666: 2652: 2624:Ford Jr., L.R. 2620: 2599: 2574: 2552: 2531: 2513: 2508: 2492: 2487: 2479:10.1201/b16113 2463: 2457: 2436: 2430: 2405: 2403: 2400: 2397: 2396: 2389: 2375:. p. 18. 2361:Lenz, Hanfried 2355:Beth, Thomas; 2343: 2336: 2304: 2293:(4): 193–203. 2272: 2234: 2211: 2210: 2208: 2205: 2204: 2203: 2198: 2193: 2188: 2183: 2178: 2172: 2165: 2162: 2121: 2118: 2099: 2095: 2091: 2068:small category 2053: 2049: 2045: 2025: 2022: 1978: 1974: 1970: 1928: 1927: 1916: 1911: 1907: 1903: 1898: 1894: 1890: 1885: 1882: 1878: 1855:results in an 1832: 1829: 1826: 1823: 1820: 1817: 1814: 1811: 1808: 1804: 1801: 1796: 1792: 1788: 1768: 1765: 1762: 1759: 1756: 1753: 1750: 1747: 1744: 1740: 1737: 1732: 1728: 1724: 1698:logical vector 1691: 1667: 1666: 1663: 1660: 1657: 1654: 1651: 1645: 1644: 1641: 1638: 1635: 1632: 1629: 1623: 1622: 1619: 1616: 1613: 1610: 1607: 1601: 1600: 1597: 1594: 1591: 1588: 1585: 1579: 1578: 1575: 1572: 1569: 1566: 1563: 1556: 1555: 1552: 1549: 1546: 1543: 1540: 1533: 1532: 1529: 1526: 1523: 1520: 1517: 1510: 1509: 1506: 1503: 1500: 1497: 1494: 1488: 1487: 1484: 1481: 1478: 1475: 1472: 1465: 1464: 1461: 1458: 1455: 1452: 1449: 1443: 1442: 1439: 1436: 1433: 1430: 1427: 1420: 1419: 1416: 1413: 1410: 1407: 1404: 1398: 1397: 1394: 1391: 1388: 1385: 1382: 1375: 1374: 1371: 1368: 1365: 1362: 1359: 1353: 1352: 1349: 1346: 1343: 1340: 1337: 1330: 1329: 1326: 1323: 1320: 1317: 1314: 1308: 1307: 1304: 1301: 1298: 1295: 1292: 1285: 1284: 1281: 1278: 1275: 1272: 1269: 1263: 1262: 1259: 1256: 1253: 1250: 1247: 1245:Small category 1241: 1240: 1237: 1234: 1231: 1228: 1225: 1219: 1218: 1215: 1212: 1209: 1206: 1203: 1197: 1196: 1191: 1186: 1181: 1176: 1171: 1162: 1159: 1102: 1098: 1094: 1063: 1058: 1054: 1033: 1017: 987: 986: 975: 972: 967: 964: 960: 955: 951: 948: 943: 940: 936: 931: 928: 925: 922: 912: 909: 906: 902: 899: 896: 893: 890: 887: 884: 841: 838: 808: 803: 798: 795: 792: 789: 784: 781: 750:matrix product 683: 680: 679: 678: 667: 656: 649: 638: 620: 584: 573: 546: 535: 512: 511: 510: 494: 493:Other examples 491: 487: 486: 475: 470: 464: 461: 459: 456: 454: 451: 449: 446: 445: 442: 439: 437: 434: 432: 429: 427: 424: 423: 420: 417: 415: 412: 410: 407: 405: 402: 401: 398: 395: 393: 390: 388: 385: 383: 380: 379: 377: 361: 360: 318: 315: 275: 274: 261: 256: 253: 250: 247: 242: 238: 234: 229: 225: 221: 218: 216: 213: 212: 209: 206: 203: 200: 195: 191: 187: 182: 178: 174: 171: 169: 166: 165: 163: 158: 153: 150: 147: 143: 74: 71: 45:Boolean domain 33:Boolean matrix 21:logical matrix 15: 9: 6: 4: 3: 2: 3679: 3668: 3665: 3663: 3660: 3659: 3657: 3642: 3639: 3637: 3634: 3632: 3631: 3626: 3620: 3619: 3616: 3610: 3607: 3605: 3602: 3600: 3599:Pseudoinverse 3597: 3595: 3592: 3590: 3587: 3585: 3582: 3580: 3577: 3575: 3572: 3571: 3569: 3567:Related terms 3565: 3559: 3558:Z (chemistry) 3556: 3554: 3551: 3549: 3546: 3544: 3541: 3539: 3536: 3534: 3531: 3529: 3526: 3524: 3521: 3519: 3516: 3514: 3511: 3509: 3506: 3504: 3501: 3499: 3496: 3495: 3493: 3489: 3483: 3480: 3478: 3475: 3473: 3470: 3468: 3465: 3463: 3460: 3458: 3455: 3453: 3450: 3448: 3445: 3444: 3442: 3440: 3435: 3429: 3426: 3424: 3421: 3419: 3416: 3414: 3411: 3409: 3406: 3404: 3401: 3399: 3396: 3394: 3391: 3389: 3386: 3384: 3381: 3380: 3378: 3376: 3371: 3365: 3362: 3360: 3357: 3355: 3352: 3350: 3347: 3345: 3342: 3340: 3337: 3335: 3332: 3330: 3327: 3325: 3322: 3320: 3317: 3315: 3312: 3310: 3307: 3305: 3302: 3300: 3297: 3295: 3292: 3290: 3287: 3285: 3282: 3280: 3277: 3275: 3272: 3270: 3267: 3265: 3262: 3260: 3257: 3255: 3252: 3250: 3247: 3245: 3242: 3240: 3237: 3235: 3232: 3230: 3227: 3225: 3222: 3220: 3217: 3215: 3212: 3211: 3209: 3205: 3199: 3196: 3194: 3191: 3189: 3186: 3184: 3181: 3179: 3176: 3174: 3171: 3169: 3166: 3164: 3161: 3159: 3156: 3154: 3151: 3149: 3145: 3142: 3140: 3137: 3136: 3134: 3132: 3128: 3123: 3117: 3114: 3112: 3109: 3107: 3104: 3102: 3099: 3097: 3094: 3092: 3089: 3087: 3084: 3082: 3079: 3078: 3076: 3074: 3069: 3063: 3060: 3058: 3055: 3053: 3050: 3048: 3045: 3043: 3040: 3038: 3035: 3033: 3030: 3028: 3025: 3023: 3020: 3018: 3015: 3014: 3012: 3008: 3002: 2999: 2997: 2994: 2992: 2989: 2987: 2984: 2982: 2979: 2977: 2974: 2972: 2969: 2967: 2964: 2962: 2959: 2957: 2954: 2952: 2949: 2947: 2944: 2942: 2939: 2937: 2934: 2932: 2929: 2927: 2924: 2922: 2919: 2917: 2916:Pentadiagonal 2914: 2912: 2909: 2907: 2904: 2902: 2899: 2897: 2894: 2892: 2889: 2887: 2884: 2882: 2879: 2877: 2874: 2872: 2869: 2867: 2864: 2862: 2859: 2857: 2854: 2852: 2849: 2847: 2844: 2842: 2839: 2837: 2834: 2832: 2829: 2827: 2824: 2822: 2819: 2817: 2814: 2812: 2809: 2807: 2804: 2802: 2799: 2797: 2794: 2792: 2789: 2787: 2784: 2782: 2779: 2777: 2774: 2772: 2769: 2767: 2764: 2762: 2759: 2757: 2754: 2752: 2749: 2747: 2746:Anti-diagonal 2744: 2742: 2739: 2738: 2736: 2732: 2727: 2720: 2715: 2713: 2708: 2706: 2701: 2700: 2697: 2689: 2685: 2684: 2679: 2675: 2674: 2663: 2659: 2655: 2653:9781400875184 2649: 2645: 2641: 2637: 2633: 2629: 2625: 2621: 2617: 2613: 2609: 2605: 2600: 2596: 2592: 2591: 2583: 2579: 2575: 2571: 2567: 2566: 2558: 2553: 2549: 2545: 2541: 2537: 2532: 2528: 2524: 2523: 2518: 2514: 2511: 2505: 2501: 2497: 2493: 2490: 2484: 2480: 2476: 2472: 2468: 2464: 2460: 2458:0-521-32265-0 2454: 2450: 2446: 2442: 2437: 2433: 2427: 2423: 2419: 2415: 2411: 2407: 2406: 2392: 2386: 2382: 2378: 2374: 2370: 2366: 2365:Design Theory 2362: 2358: 2350: 2348: 2339: 2333: 2329: 2325: 2321: 2317: 2311: 2309: 2300: 2296: 2292: 2288: 2287: 2282: 2276: 2269: 2263: 2259: 2255: 2251: 2250: 2245: 2238: 2223: 2216: 2212: 2202: 2199: 2197: 2194: 2192: 2189: 2187: 2184: 2182: 2179: 2176: 2173: 2171: 2168: 2167: 2161: 2159: 2155: 2152: ×  2151: 2147: 2142: 2140: 2136: 2132: 2128: 2117: 2115: 2093: 2089: 2081: 2077: 2073: 2069: 2047: 2043: 2023: 2020: 2011: 2009: 2005: 2001: 1997: 1992: 1972: 1968: 1960: 1956: 1952: 1948: 1944: 1940: 1936: 1931: 1914: 1909: 1905: 1901: 1896: 1892: 1888: 1883: 1880: 1876: 1868: 1867: 1866: 1865: 1862: 1858: 1854: 1850: 1846: 1845:outer product 1830: 1827: 1824: 1821: 1818: 1815: 1812: 1809: 1806: 1802: 1794: 1790: 1766: 1763: 1760: 1757: 1754: 1751: 1748: 1745: 1742: 1738: 1730: 1726: 1713: 1711: 1707: 1703: 1699: 1694: 1690: 1686: 1682: 1678: 1674: 1664: 1661: 1658: 1655: 1652: 1650: 1649:Abelian group 1647: 1646: 1642: 1639: 1636: 1633: 1630: 1628: 1625: 1624: 1620: 1617: 1614: 1611: 1608: 1606: 1603: 1602: 1598: 1595: 1592: 1589: 1586: 1584: 1581: 1580: 1576: 1573: 1570: 1567: 1564: 1562: 1558: 1557: 1553: 1550: 1547: 1544: 1541: 1539: 1535: 1534: 1530: 1527: 1524: 1521: 1518: 1516: 1512: 1511: 1507: 1504: 1501: 1498: 1495: 1493: 1490: 1489: 1485: 1482: 1479: 1476: 1473: 1471: 1467: 1466: 1462: 1459: 1456: 1453: 1450: 1448: 1445: 1444: 1440: 1437: 1434: 1431: 1428: 1426: 1422: 1421: 1417: 1414: 1411: 1408: 1405: 1403: 1400: 1399: 1395: 1392: 1389: 1386: 1383: 1381: 1377: 1376: 1372: 1369: 1366: 1363: 1360: 1358: 1355: 1354: 1350: 1347: 1344: 1341: 1338: 1336: 1332: 1331: 1327: 1324: 1321: 1318: 1315: 1313: 1310: 1309: 1305: 1302: 1299: 1296: 1293: 1291: 1287: 1286: 1282: 1279: 1276: 1273: 1270: 1268: 1265: 1264: 1260: 1257: 1254: 1251: 1248: 1246: 1243: 1242: 1238: 1235: 1232: 1229: 1226: 1224: 1221: 1220: 1216: 1213: 1210: 1207: 1204: 1202: 1201:Partial magma 1199: 1198: 1195: 1192: 1190: 1187: 1185: 1182: 1180: 1177: 1175: 1172: 1170: 1169: 1158: 1156: 1152: 1148: 1144: 1139: 1137: 1133: 1129: 1124: 1122: 1118: 1115:contains the 1096: 1092: 1084: 1081: 1077: 1074:contains the 1061: 1052: 1043: 1036: 1032: 1028: 1020: 1016: 1012: 1006: 1004: 1000: 996: 992: 973: 970: 965: 962: 958: 949: 946: 941: 938: 934: 929: 926: 923: 910: 907: 904: 900: 897: 894: 891: 888: 885: 875: 874: 873: 871: 870:partial order 867: 863: 859: 855: 851: 847: 837: 835: 831: 826: 824: 806: 796: 790: 770: 766: 761: 759: 755: 751: 747: 743: 739: 735: 730: 728: 724: 718: 712: 708: 705: 701: 693: 688: 676: 672: 668: 665: 661: 657: 654: 650: 647: 643: 639: 636: 632: 628: 623: 619: 615: 611: 607: 603: 601: 596: 593: 590:of a list of 589: 588:prime factors 585: 582: 578: 574: 571: 567: 563: 559: 555: 551: 547: 544: 540: 539:design matrix 536: 533: 529: 525: 521: 520:combinatorics 517: 513: 508: 504: 503: 501: 497: 496: 490: 473: 468: 462: 457: 452: 447: 440: 435: 430: 425: 418: 413: 408: 403: 396: 391: 386: 381: 375: 366: 365: 364: 358: 357: 356: 354: 350: 346: 342: 339: 336: 332: 324: 314: 312: 308: 304: 300: 296: 292: 288: 284: 280: 254: 251: 248: 240: 236: 232: 227: 223: 214: 207: 204: 201: 193: 189: 185: 180: 176: 167: 161: 156: 151: 148: 145: 141: 133: 132: 131: 129: 125: 121: 117: 113: 108: 104: 100: 95: 91: 88: 84: 80: 70: 68: 64: 60: 56: 50: 46: 42: 38: 37:(0, 1)-matrix 34: 30: 26: 25:binary matrix 22: 3621: 3553:Substitution 3439:graph theory 2936:Quaternionic 2926:Persymmetric 2890: 2681: 2631: 2607: 2603: 2594: 2588: 2569: 2563: 2539: 2535: 2526: 2520: 2499: 2496:Kim, Ki Hang 2470: 2440: 2413: 2368: 2364: 2319: 2290: 2284: 2275: 2256:(2): 132–8. 2253: 2247: 2237: 2225:. Retrieved 2215: 2153: 2149: 2143: 2139:block degree 2138: 2135:point degree 2134: 2123: 2012: 2003: 1999: 1995: 1993: 1958: 1950: 1946: 1942: 1938: 1934: 1932: 1929: 1860: 1856: 1852: 1848: 1714: 1709: 1705: 1697: 1692: 1688: 1684: 1680: 1676: 1672: 1670: 1536:Associative 1513:Commutative 1468:Commutative 1425:unital magma 1423:Commutative 1402:Unital magma 1378:Commutative 1333:Commutative 1288:Commutative 1223:Semigroupoid 1189:Cancellation 1146: 1142: 1140: 1127: 1125: 1120: 1116: 1079: 1075: 1041: 1034: 1030: 1026: 1018: 1014: 1010: 1007: 990: 988: 865: 861: 857: 853: 849: 845: 843: 833: 829: 827: 769:Galois field 762: 757: 731: 722: 716: 710: 706: 697: 642:bitmap image 630: 626: 621: 617: 609: 605: 599: 591: 554:graph theory 528:block design 507:Costas array 488: 362: 352: 348: 344: 340: 334: 330: 327:{1, 2, 3, 4} 322: 320: 311:indexed sets 306: 302: 298: 290: 282: 278: 276: 127: 123: 119: 115: 111: 106: 102: 98: 93: 89: 87:indexed sets 78: 76: 48: 36: 32: 28: 24: 20: 18: 3528:Hamiltonian 3452:Biadjacency 3388:Correlation 3304:Householder 3254:Commutation 2991:Vandermonde 2986:Tridiagonal 2921:Permutation 2911:Nonnegative 2896:Matrix unit 2776:Bisymmetric 2610:: 239–255. 2542:: 463–476. 2517:Ryser, H.J. 2467:Botha, J.D. 2222:"Binmatrix" 2196:Truth table 1194:Commutative 1179:Associative 1134:ordered by 746:composition 742:logical AND 675:phase space 644:containing 595:square-free 325:on the set 295:cardinality 59:finite sets 3656:Categories 3428:Transition 3423:Stochastic 3393:Covariance 3375:statistics 3354:Symplectic 3349:Similarity 3178:Unimodular 3173:Orthogonal 3158:Involutory 3153:Invertible 3148:Projection 3144:Idempotent 3086:Convergent 2981:Triangular 2931:Polynomial 2876:Hessenberg 2846:Equivalent 2841:Elementary 2821:Copositive 2811:Conference 2771:Bidiagonal 2572:: 442–464. 2402:References 2353:E.g., see 2268:idempotent 2227:August 11, 2072:quasigroup 1702:bit string 1561:quasigroup 1538:quasigroup 1380:quasigroup 1357:Quasigroup 1123:identity. 738:logical OR 713:satisfies 297:(size) of 3609:Wronskian 3533:Irregular 3523:Gell-Mann 3472:Laplacian 3467:Incidence 3447:Adjacency 3418:Precision 3383:Centering 3289:Generator 3259:Confusion 3244:Circulant 3224:Augmented 3183:Unipotent 3163:Nilpotent 3139:Congruent 3116:Stieltjes 3091:Defective 3081:Companion 3052:Redheffer 2971:Symmetric 2966:Sylvester 2941:Signature 2871:Hermitian 2851:Frobenius 2761:Arrowhead 2741:Alternant 2688:EMS Press 2181:Bit array 2175:Binatorix 1953:. In the 1902:∧ 1825:… 1761:… 1665:Required 1643:Unneeded 1621:Required 1599:Unneeded 1577:Required 1554:Unneeded 1531:Required 1515:semigroup 1508:Unneeded 1492:Semigroup 1486:Required 1463:Unneeded 1441:Required 1418:Unneeded 1396:Required 1373:Unneeded 1351:Required 1328:Unneeded 1306:Required 1283:Unneeded 1261:Unneeded 1239:Unneeded 1217:Unneeded 1136:inclusion 989:In fact, 954:⟹ 921:∀ 908:≤ 895:∈ 883:∀ 872:given by 558:symmetric 202:∈ 51:= {0, 1}. 3667:Matrices 3437:Used in 3373:Used in 3334:Rotation 3309:Jacobian 3269:Distance 3249:Cofactor 3234:Carleman 3214:Adjugate 3198:Weighing 3131:inverses 3127:products 3096:Definite 3027:Identity 3017:Exchange 3010:Constant 2976:Toeplitz 2861:Hadamard 2831:Diagonal 2597:: 831–6. 2580:(1960). 2529:: 371–7. 2498:(1982), 2164:See also 2076:groupoid 1957:such an 1715:Suppose 1662:Required 1659:Required 1656:Required 1653:Required 1640:Required 1637:Required 1634:Required 1631:Required 1618:Unneeded 1615:Required 1612:Required 1609:Required 1596:Unneeded 1593:Required 1590:Required 1587:Required 1574:Required 1571:Unneeded 1568:Required 1565:Required 1551:Required 1548:Unneeded 1545:Required 1542:Required 1528:Unneeded 1525:Unneeded 1522:Required 1519:Required 1505:Unneeded 1502:Unneeded 1499:Required 1496:Required 1483:Required 1480:Required 1477:Unneeded 1474:Required 1460:Required 1457:Required 1454:Unneeded 1451:Required 1438:Unneeded 1435:Required 1432:Unneeded 1429:Required 1415:Unneeded 1412:Required 1409:Unneeded 1406:Required 1393:Required 1390:Unneeded 1387:Unneeded 1384:Required 1370:Required 1367:Unneeded 1364:Unneeded 1361:Required 1348:Unneeded 1345:Unneeded 1342:Unneeded 1339:Required 1325:Unneeded 1322:Unneeded 1319:Unneeded 1316:Required 1303:Required 1300:Required 1297:Required 1294:Unneeded 1290:Groupoid 1280:Required 1277:Required 1274:Required 1271:Unneeded 1267:Groupoid 1258:Unneeded 1255:Required 1252:Required 1249:Unneeded 1236:Unneeded 1233:Unneeded 1230:Required 1227:Unneeded 1214:Unneeded 1211:Unneeded 1208:Unneeded 1205:Unneeded 1184:Identity 1130:forms a 1040:Suppose 993:forms a 754:expected 734:semiring 355:holds. 287:integers 249:∉ 110:), then 3538:Overlap 3503:Density 3462:Edmonds 3339:Seifert 3299:Hessian 3264:Coxeter 3188:Unitary 3106:Hurwitz 3037:Of ones 3022:Hilbert 2956:Skyline 2901:Metzler 2891:Logical 2886:Integer 2796:Boolean 2728:classes 2690:, 2001 2662:0159700 2299:2267134 1696:) is a 1174:Closure 1132:lattice 840:Lattice 756:time O( 602:-smooth 338:divides 317:Example 3457:Degree 3398:Design 3329:Random 3319:Payoff 3314:Moment 3239:Cartan 3229:Bézout 3168:Normal 3042:Pascal 3032:Lehmer 2961:Sparse 2881:Hollow 2866:Hankel 2801:Cauchy 2726:Matrix 2660:  2650:  2506:  2485:  2455:  2428:  2387:  2334:  2297:  2074:, and 1583:Monoid 1001:& 868:has a 646:pixels 616:, and 566:graphs 556:: non- 301:, and 41:matrix 3518:Gamma 3482:Tutte 3344:Shear 3057:Shift 3047:Pauli 2996:Walsh 2906:Moore 2786:Block 2585:(PDF) 2560:(PDF) 2295:JSTOR 2207:Notes 2080:magma 1704:. If 1627:Group 1335:magma 1312:Magma 725:is a 721:then 532:graph 81:is a 39:is a 35:, or 3324:Pick 3294:Gram 3062:Zero 2766:Band 2648:ISBN 2504:ISBN 2483:ISBN 2453:ISBN 2426:ISBN 2385:ISBN 2332:ISBN 2229:2017 1933:Let 1851:and 1779:and 1470:loop 1447:Loop 916:when 848:and 844:Let 832:-by- 715:I ⊆ 658:The 608:× π( 586:The 575:The 570:loop 522:and 281:and 122:and 96:(so 92:and 65:and 3413:Hat 3146:or 3129:or 2640:doi 2612:doi 2544:doi 2475:doi 2445:doi 2418:doi 2377:doi 2324:doi 2258:doi 1947:v h 1847:of 1700:or 1675:or 1671:If 1029:= ( 1013:= ( 999:and 760:). 552:in 541:in 518:in 514:An 331:aRb 77:If 3658:: 2686:, 2680:, 2658:MR 2656:. 2646:. 2634:. 2630:. 2608:13 2606:. 2595:10 2593:. 2587:. 2570:66 2568:. 2562:. 2540:12 2538:. 2525:. 2502:, 2481:, 2451:. 2424:. 2383:. 2367:. 2359:; 2346:^ 2330:. 2307:^ 2291:13 2289:. 2254:22 2252:. 2160:. 2116:. 2010:. 1991:. 1945:= 1859:× 1693:ij 1683:× 1157:. 1119:× 1078:× 1038:). 1035:ji 1019:ij 1003:or 974:1. 860:× 825:. 729:. 669:A 653:Go 640:A 622:ij 597:, 537:A 505:A 498:A 289:: 101:⊆ 69:. 31:, 27:, 23:, 19:A 3543:S 3001:Z 2718:e 2711:t 2704:v 2664:. 2642:: 2618:. 2614:: 2550:. 2546:: 2527:9 2477:: 2461:. 2447:: 2434:. 2420:: 2393:. 2379:: 2340:. 2326:: 2301:. 2264:. 2260:: 2231:. 2154:b 2150:v 2098:T 2094:R 2090:R 2052:T 2048:R 2044:R 2024:. 2021:R 2004:R 2000:R 1996:R 1977:T 1973:h 1969:h 1959:R 1951:v 1943:R 1939:v 1935:h 1915:. 1910:j 1906:Q 1897:i 1893:P 1889:= 1884:j 1881:i 1877:m 1861:n 1857:m 1853:Q 1849:P 1831:n 1828:, 1822:, 1819:2 1816:, 1813:1 1810:= 1807:j 1803:, 1800:) 1795:j 1791:Q 1787:( 1767:m 1764:, 1758:, 1755:2 1752:, 1749:1 1746:= 1743:i 1739:, 1736:) 1731:i 1727:P 1723:( 1710:n 1706:m 1689:m 1685:n 1681:m 1677:n 1673:m 1147:U 1143:U 1128:U 1121:n 1117:n 1101:T 1097:A 1093:A 1080:m 1076:m 1062:A 1057:T 1053:A 1042:A 1031:A 1027:A 1022:) 1015:A 1011:A 991:U 971:= 966:j 963:i 959:B 950:1 947:= 942:j 939:i 935:A 930:j 927:, 924:i 911:B 905:A 901:, 898:U 892:B 889:, 886:A 866:U 862:n 858:m 854:U 850:m 846:n 834:n 830:m 807:2 802:Z 797:= 794:) 791:2 788:( 783:F 780:G 758:n 723:R 719:, 717:R 711:R 707:I 694:. 677:. 666:. 655:. 631:i 627:j 618:a 610:n 606:m 600:n 592:m 534:. 474:, 469:) 463:1 458:0 453:0 448:0 441:0 436:1 431:0 426:0 419:1 414:0 409:1 404:0 397:1 392:1 387:1 382:1 376:( 353:R 349:R 345:R 341:b 335:a 323:R 307:Y 303:j 299:X 291:i 283:Y 279:X 255:. 252:R 246:) 241:j 237:y 233:, 228:i 224:x 220:( 215:0 208:, 205:R 199:) 194:j 190:y 186:, 181:i 177:x 173:( 168:1 162:{ 157:= 152:j 149:, 146:i 142:m 128:M 124:Y 120:X 116:M 112:R 107:Y 105:× 103:X 99:R 94:Y 90:X 79:R 49:B

Index

matrix
Boolean domain
binary relation
finite sets
combinatorial mathematics
theoretical computer science
binary relation
indexed sets
integers
cardinality
indexed sets
divides
permutation matrix
Costas array
incidence matrix
combinatorics
finite geometry
block design
graph
design matrix
analysis of variance
adjacency matrix
graph theory
symmetric
directed graphs
graphs
loop
biadjacency matrix
bipartite graph
prime factors

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