Question

Constructing a determinant to get the eigenvalues associated to a pair of wave equations

score 51 · Answer 1 · 2026-03-28 22:26:53

51

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Constructing a determinant to get the eigenvalues associated to a pair of wave equations

Published on 28 Mar 2026 - 22:26

score 67 · Answer 2 · 2026-03-30 04:27:56

67

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$A \in M_n(\mathbb F)$, sum in all rows and column transformation

Published on 30 Mar 2026 - 4:27

score 683 · Answer 3 · 2019-12-19 20:57:10

683

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Possible values of $\det \left( A \right)$ and $\text{rank}\left( {{A_{3 \times 3}}} \right)$ of an ${A_{n \times n}}$ matrix for which $A A = A$?

Published on 19 Dec 2019 - 20:57

score 238 · Answer 4 · 2026-03-29 00:06:34

238

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Find the general solution for the wave equation for waves in a closed loop.

Published on 29 Mar 2026 - 0:06

score 203 · Answer 5 · 2026-03-25 09:28:28

203

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Relationship between trace and determinant of a non-diagonal $3 \times 3$ involutory matrix

Published on 25 Mar 2026 - 9:28

score 483 · Answer 6 · 2019-12-22 09:37:51

483

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If A is unitary and $\det (A^H) = \det(A^)$ and $\det(A) \det(A^) = \det(A)^2$ Why can't I say that $\det(A^H) = \pm\det(A)$

Published on 22 Dec 2019 - 9:37

score 1.1k · Answer 7 · 2019-12-23 11:17:35

1.1k

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Are determinants additive?

Published on 23 Dec 2019 - 11:17

score 155 · Answer 8 · 2026-03-26 08:03:38

155

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Determinant of a $3\times 3$ real symmetric matrix

Published on 26 Mar 2026 - 8:03

score 150 · Answer 9 · 2019-12-26 04:59:47

150

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Determinant of a matrix with an unknown diagonal

Published on 26 Dec 2019 - 4:59

score 227 · Answer 10 · 2026-03-26 22:13:04

227

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Upper bound for the product of all singular values

Published on 26 Mar 2026 - 22:13

score 15 · Answer 11 · 2019-12-26 15:29:13

15

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Any element $A^{i}_{j}$ of $A$ is a $1\times1$ minor of $A$

Published on 26 Dec 2019 - 15:29

score 76 · Answer 12 · 2026-02-23 06:37:53

76

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A determinant identity for sum of positive matrices

Published on 23 Feb 2026 - 6:37

score 112 · Answer 13 · 2026-03-25 05:07:03

112

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How to prove this formula for the determinant of a $4 \times 4$ tridiagonal matrix?

Published on 25 Mar 2026 - 5:07

score 277 · Answer 14 · 2019-12-28 09:05:58

277

Views

Find the value of the determinant $M$ from the equation $M = 3A^2 + AB + B^2$

Published on 28 Dec 2019 - 9:05

score 181 · Answer 15 · 2019-12-28 12:04:40

181

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Finding the determinant of a matrix given by three parameters.

Published on 28 Dec 2019 - 12:04

List Question

Constructing a determinant to get the eigenvalues associated to a pair of wave equations

$A \in M_n(\mathbb F)$, sum in all rows and column transformation

Possible values of $\det \left( A \right)$ and $\text{rank}\left( {{A_{3 \times 3}}} \right)$ of an ${A_{n \times n}}$ matrix for which $A A = A$?

Find the general solution for the wave equation for waves in a closed loop.

Relationship between trace and determinant of a non-diagonal $3 \times 3$ involutory matrix

If A is unitary and $\det (A^H) = \det(A^)$ and $\det(A) \det(A^) = \det(A)^2$ Why can't I say that $\det(A^H) = \pm\det(A)$

Are determinants additive?

Determinant of a $3\times 3$ real symmetric matrix

Determinant of a matrix with an unknown diagonal

Upper bound for the product of all singular values

Any element $A^{i}_{j}$ of $A$ is a $1\times1$ minor of $A$

A determinant identity for sum of positive matrices

How to prove this formula for the determinant of a $4 \times 4$ tridiagonal matrix?

Find the value of the determinant $M$ from the equation $M = 3A^2 + AB + B^2$

Finding the determinant of a matrix given by three parameters.

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