List questions from matrices

Published on 21 Mar 2026 - 23:41

1k

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Simultaneous diagonalization on more than two matrices

Published on 28 Mar 2026 - 14:31

3.9k

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Effect of adding a zero row and column on the eigenvalues of a matrix

Published on 25 Mar 2026 - 1:19

844

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Maximum dimension of column space and row space of a $M\times N$ matrix

Published on 25 Mar 2026 - 4:58

52

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To find an element in $A$ which is invertible in $B$ but not in $A$.

Published on 20 Mar 2026 - 0:18

907

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Monoid but not a group

Published on 26 Mar 2026 - 22:02

172

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Can it be proved that non-symmetric matrix $A$ will always have real eigen values?.

Published on 21 Mar 2026 - 7:04

26

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How to find the type of Matrix

Published on 21 Mar 2026 - 22:36

20

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Identify stochastic matrices from their product

Published on 22 Mar 2026 - 14:56

52

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For $1-w\bar w$ is positive definite , there exists an $n × n$ matrix $a$ with complex entries such that $(1- w\bar w)\{a\}= 1$

Published on 29 Mar 2026 - 12:33

2.5k

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What is the difference between using brackets and straight lines when solving a matrix?

Published on 15 Jan 2018 - 17:21

122

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Proving that $ (A + I)^n=(2^n-1)A + I $

Published on 25 Mar 2026 - 6:27

193

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Computing the logarithm of an exponentiated matrix?

Published on 20 Mar 2026 - 8:05

278

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Square roots of integral matrices

Published on 17 Mar 2026 - 1:40

80

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Prove there exists $A \in M_n{(\mathbb R)}$ s.t. $A^2 = \begin{pmatrix} M & 0 \\ 0 & M \\ \end{pmatrix}$

Published on 25 Mar 2026 - 6:29

List Question

A matrix trace relation

Simultaneous diagonalization on more than two matrices

Effect of adding a zero row and column on the eigenvalues of a matrix

Maximum dimension of column space and row space of a $M\times N$ matrix

To find an element in $A$ which is invertible in $B$ but not in $A$.

Monoid but not a group

Can it be proved that non-symmetric matrix $A$ will always have real eigen values?.

How to find the type of Matrix

Identify stochastic matrices from their product

For $1-w\bar w$ is positive definite , there exists an $n × n$ matrix $a$ with complex entries such that $(1- w\bar w)\{a\}= 1$

What is the difference between using brackets and straight lines when solving a matrix?

Proving that $ (A + I)^n=(2^n-1)A + I $

Computing the logarithm of an exponentiated matrix?

Square roots of integral matrices

Prove there exists $A \in M_n{(\mathbb R)}$ s.t. $A^2 = \begin{pmatrix} M & 0 \\ 0 & M \\ \end{pmatrix}$

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