List questions from matrix-equations

Published on 06 Apr 2026 - 5:49

174

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Given matrices A and B, how does one find C such that $ C^{-1}AC = B$?

Published on 09 Jul 2016 - 5:15

33

Views

Matrix summation

Published on 11 Jul 2016 - 23:53

61

Views

If $BNA=N$ it can happen that $B$ and $A$ identities?

Published on 12 Jul 2016 - 4:14

410

Views

Sylvester equation

Published on 12 Jul 2016 - 4:50

614

Views

Conditions for a block matrix to be positive definite

Published on 26 Mar 2026 - 5:50

98

Views

How to obtain the inverse of $MSM^T$ when $(MM^T)^{-1}$ is already known and $S$ is an invertible symmetric matrix?

Published on 29 Mar 2026 - 12:39

2.1k

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Is Singular value decomposition suitable for solving matrix equations Ax=b?

Published on 30 Mar 2026 - 1:46

51

Views

Linearly Dependent Equations

Published on 29 Mar 2026 - 15:30

72

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sign the elements of a ugly matrix

Published on 13 Jul 2016 - 5:52

116

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Find conditions on $x$ and $y$ which guarantee that one can locally solve the following for $u(x, y)$ and $v(x, y)$

Published on 26 Mar 2026 - 1:04

81

Views

Number of Rational Solutions $\mathbf{x}\in[0,1)^n$ to the Matrix Condition $\mathbf{A}\,\mathbf{x}\in\mathbb{Z}^n$

Published on 26 Mar 2026 - 6:06

95

Views

How can I find $E_1$ and $E_1^{-1}$?

Published on 17 Jul 2016 - 4:13

62

Views

Condition for Linear Dependence

Published on 29 Mar 2026 - 16:54

514

Views

How to find a scalar given a matrix equation with an unknown matrix?

Published on 19 Jul 2016 - 7:35

List Question

Fractional powers of affine matrices

Given matrices A and B, how does one find C such that $ C^{-1}AC = B$?

Matrix summation

If $BNA=N$ it can happen that $B$ and $A$ identities?

Sylvester equation

Conditions for a block matrix to be positive definite

How to obtain the inverse of $MSM^T$ when $(MM^T)^{-1}$ is already known and $S$ is an invertible symmetric matrix?

Is Singular value decomposition suitable for solving matrix equations Ax=b?

Linearly Dependent Equations

sign the elements of a ugly matrix

Find conditions on $x$ and $y$ which guarantee that one can locally solve the following for $u(x, y)$ and $v(x, y)$

Number of Rational Solutions $\mathbf{x}\in[0,1)^n$ to the Matrix Condition $\mathbf{A}\,\mathbf{x}\in\mathbb{Z}^n$

How can I find $E_1$ and $E_1^{-1}$?

Condition for Linear Dependence

How to find a scalar given a matrix equation with an unknown matrix?

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