Question

Using $\bar{A}$ ($A$ modulo $2$) to prove that $A$ is invertible

score 285 · Answer 1 · 2018-12-31 17:55:13

285

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Using $\bar{A}$ ($A$ modulo $2$) to prove that $A$ is invertible

Published on 31 Dec 2018 - 17:55

score 744 · Answer 2 · 2019-01-01 02:24:30

744

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Determinant of matrix times elementary matrix

Published on 01 Jan 2019 - 2:24

score 151 · Answer 3 · 2026-03-26 11:18:21

151

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If A is anti-hermitian, show that $|\det(1+A)|^2 \geqslant 1$

Published on 26 Mar 2026 - 11:18

score 718 · Answer 4 · 2019-01-01 20:41:23

718

Views

Why do the properties of determinants (used to calculate determinants from multiple matrices) apply not only to rows, but to columns as well?

Published on 01 Jan 2019 - 20:41

score 2.3k · Answer 5 · 2019-01-02 21:57:28

2.3k

Views

System of equations has no solution

Published on 02 Jan 2019 - 21:57

score 302 · Answer 6 · 2026-03-27 07:38:47

302

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Spectral decomposition of an operator

Published on 27 Mar 2026 - 7:38

score 478 · Answer 7 · 2019-01-03 13:26:22

478

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Link between Hadamard's inequality for positive-definite matrices and general Hadamard's inequality

Published on 03 Jan 2019 - 13:26

score 317 · Answer 8 · 2026-03-28 03:27:05

317

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$AC^T = \det(A)I$

Published on 28 Mar 2026 - 3:27

score 372 · Answer 9 · 2019-01-04 14:41:03

372

Views

Should the determinant of a $0\times 0$ matrix be defined as $0$ or $1$?

Published on 04 Jan 2019 - 14:41

score 205 · Answer 10 · 2026-03-28 03:27:29

205

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Condition for two cubic equations to have a pair of common positive repeated roots

Published on 28 Mar 2026 - 3:27

score 44 · Answer 11 · 2019-01-05 16:19:44

44

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On a maximum of a determinant with dependent variables

Published on 05 Jan 2019 - 16:19

score 1.5k · Answer 12 · 2026-03-25 07:48:42

1.5k

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Determinant of matrix of submatrices

Published on 25 Mar 2026 - 7:48

score 1.5k · Answer 13 · 2019-01-06 00:36:46

1.5k

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Given a Characteristic Polynomial of a Matrix...

Published on 06 Jan 2019 - 0:36

score 56 · Answer 14 · 2019-01-06 08:03:26

56

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What is the simplest way to calculate this determinant using properties of determinants?

Published on 06 Jan 2019 - 8:03

score 94 · Answer 15 · 2019-01-07 02:16:03

94

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Determinant of this $N$ x $N$ matrix

Published on 07 Jan 2019 - 2:16

List Question

Using $\bar{A}$ ($A$ modulo $2$) to prove that $A$ is invertible

Determinant of matrix times elementary matrix

If A is anti-hermitian, show that $|\det(1+A)|^2 \geqslant 1$

Why do the properties of determinants (used to calculate determinants from multiple matrices) apply not only to rows, but to columns as well?

System of equations has no solution

Spectral decomposition of an operator

Link between Hadamard's inequality for positive-definite matrices and general Hadamard's inequality

$AC^T = \det(A)I$

Should the determinant of a $0\times 0$ matrix be defined as $0$ or $1$?

Condition for two cubic equations to have a pair of common positive repeated roots

On a maximum of a determinant with dependent variables

Determinant of matrix of submatrices

Given a Characteristic Polynomial of a Matrix...

What is the simplest way to calculate this determinant using properties of determinants?

Determinant of this $N$ x $N$ matrix

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