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References to 'square matrix'
1. AB is conjugate to BA by Algeboy
2. adjacency matrix by CWoo
3. anti-diagonal matrix by matte
4. block determinants by georgiosl
5. bound on matrix differential equation by rspuzio
6. characteristic values and vectors (of a matrix) by perucho
7. circulant matrix by bwebste
8. Cochran's theorem by CWoo
9. complex conjugate by akrowne
10. conjugate transpose by Koro
11. Cramer's V by CWoo
12. derivation of Sylvester's matrix for the resultant by rspuzio
13. derivative of inverse matrix by matte
14. derivative of matrix by matte
15. determinant by rmilson
16. determinants of some matrices of special form by bwebste
17. diagonal matrix by rspuzio
18. diagonalizable by Mathprof
19. diagonally dominant matrix by Daume
20. direct sum of Hermitian and skew-Hermitian matrices by mathcam
21. discriminant by rspuzio
22. eigenvector by mathcam
23. examples of rings by matte
24. examples of semigroups by CWoo
25. Frobenius matrix norm by mathcam
26. Gelfand spectral radius theorem by Andrea Ambrosio
27. generalized B\'ezout theorem on matrices by perucho
28. generalized Vandermonde matrix by Mathprof
29. Hadamard's inequality by mathwizard
30. Hermitian matrix by matte
31. Hilbert matrix by Daume
32. Hurwitz matrix by lha
33. I-AB is invertible if and only if I-BA is invertible by asteroid
34. IBN by CWoo
35. identity matrix by mathcam
36. If $A \in M_n(R)$ and $A$ is supertriangular then $A^n=0$ by Daume
37. involutory ring by CWoo
38. Jacobi's theorem by Koro
39. Kronecker product by Mathprof
40. lecture notes on determinants by rmilson
41. lecture notes on the Cayley-Hamilton theorem by rmilson
42. matrix by bbukh
43. matrix condition number by stevecheng
44. matrix condition number is greater or equal to $1$ by georgiosl
45. matrix exponential by mathcam
46. matrix inverse by akrowne
47. matrix logarithm by Andrea Ambrosio
48. matrix operations by djao
49. monomial matrix by GrafZahl
50. M\"obius inversion by mathcam
51. negative definite by drini
52. negative semidefinite by drini
53. Neumann series by georgiosl
54. nilpotent matrix by jgade
55. normal matrix by Daume
56. off-diagonal entry by mathcam
57. order n constant coefficient differential equations and matrix exponential by gaillard
58. partitioned matrix by mathcam
59. positive semidefinite by drini
60. primitive matrix by Mathprof
61. product by pahio
62. proof of Taylor's formula for matrix functions by joen235
63. quasipositive matrix by Mathprof
64. reducible matrix by Mathprof
65. resultant (alternative treatment) by Mathprof
66. Schur decomposition by Daume
67. similar matrix by Wkbj79
68. skew-Hermitian matrix by matte
69. skew-symmetric matrix by Daume
70. stable matrix by rspuzio
71. symmetric matrix by Daume
72. theorem for normal matrices by georgiosl
73. theorem for normal triangular matrices by Mathprof
74. trace by mhale
75. trace of a matrix by Daume
76. triangular matrix by Wkbj79
77. unimodular matrix by CWoo
78. Wronskian determinant by rspuzio
79. Z-matrix by kshum