List questions from determinant

Published on 29 Mar 2026 - 9:11

79

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Conditions for a determinant equality

Published on 01 Sep 2016 - 22:24

367

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${\rm gcd}(x,y)$ dividing linear combination of $x$, $y$

Published on 30 Mar 2026 - 0:20

3.7k

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Proof with the Levi-Civita tensor

Published on 30 Mar 2026 - 15:10

253

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Determinant of a matrix $P$ such that $AP=BP$.

Published on 03 Sep 2016 - 12:20

73

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$A$ is a $3\times3$ matrix and $A^2+4 A−12 I =0 $. If det$(A+2I )>0$, what is $det(A+2I )$?

Published on 03 Sep 2016 - 13:03

520

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How to prove the symmetric Pascal matrix has all positive minors (totally positive)?

Published on 29 Mar 2026 - 15:40

301

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when does the following system has infinite solutions

Published on 03 Sep 2016 - 22:38

152

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The effect of channel error on the determinant of transmitted matrix

Published on 28 Mar 2026 - 22:13

146

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Relation between the determinant and its inverse for solving a linear equation

Published on 30 Mar 2026 - 15:11

244

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Understanding why $\det(A) = \det(A^T)$ via the 3D Paralleliped

Published on 26 Mar 2026 - 12:34

128

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Cayley-like matrix determinant puzzle

Published on 06 Apr 2026 - 9:01

232

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How to find the determinant of this matrix

Published on 07 Sep 2016 - 2:19

2.2k

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Prove that coefficient of $λ^n$ in the characteristic polynomial is $1$.

Published on 07 Sep 2016 - 7:45

50

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A relation between some matrix determinants is needed

Published on 09 Sep 2016 - 7:54

List Question

Given $(A-I)^2 = 0$, can we say det$(A)=1$ and tr$(A)=n$?

Conditions for a determinant equality

${\rm gcd}(x,y)$ dividing linear combination of $x$, $y$

Proof with the Levi-Civita tensor

Determinant of a matrix $P$ such that $AP=BP$.

$A$ is a $3\times3$ matrix and $A^2+4 A−12 I =0 $. If det$(A+2I )>0$, what is $det(A+2I )$?

How to prove the symmetric Pascal matrix has all positive minors (totally positive)?

when does the following system has infinite solutions

The effect of channel error on the determinant of transmitted matrix

Relation between the determinant and its inverse for solving a linear equation

Understanding why $\det(A) = \det(A^T)$ via the 3D Paralleliped

Cayley-like matrix determinant puzzle

How to find the determinant of this matrix

Prove that coefficient of $λ^n$ in the characteristic polynomial is $1$.

A relation between some matrix determinants is needed

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