List questions from matrix-equations

Published on 04 Apr 2026 - 3:20

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Characterizing the unique solution to a matrix equation

Published on 28 Mar 2026 - 12:13

143

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Intuitive Sense of Outer Product

Published on 20 Jan 2020 - 2:29

38

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Solution verification: number of solutions to a system of linear equations; arithmetic means

Published on 20 Jan 2020 - 20:26

149

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standard error does not change with standardization in OLS

Published on 27 Mar 2026 - 1:43

687

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Is there a matrix $X$ possible such that $AXB=O$?

Published on 21 Jan 2020 - 17:07

32

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Query on whether a matrix exists that makes its product with two other matrices 0

Published on 22 Jan 2020 - 15:42

106

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How to solve for matrix $A$?

Published on 23 Jan 2020 - 13:46

6.7k

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Prove $\det(I_m + AB) = \det(I_n + BA)$.

Published on 04 Apr 2026 - 4:38

73

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An abstraction of matrices that can be added, inverted, transposed, multiplied

Published on 02 Apr 2026 - 9:32

184

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$ A^2 - B^2 = I_{2n+1} \implies det(AB-BA)=0 $ where A,B are complex matrices of odd size

Published on 25 Mar 2026 - 6:05

105

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How to isolate matrix of interest from equation?

Published on 28 Jan 2020 - 4:08

244

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Solve this "quasi diagonalization" matrix equation

Published on 29 Mar 2026 - 13:21

109

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Solving a certain quadratic matrix equation

Published on 28 Jan 2020 - 21:33

109

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What can be concluded about two matrices relating the same vectors (u=Mv, u=Nv)?

Published on 31 Jan 2020 - 18:54

List Question

Is there a $3 \times 3$ matrix $A$ that satisfies $A = A^3$ and $\det(A) = 3$?

Characterizing the unique solution to a matrix equation

Intuitive Sense of Outer Product

Solution verification: number of solutions to a system of linear equations; arithmetic means

standard error does not change with standardization in OLS

Is there a matrix $X$ possible such that $AXB=O$?

Query on whether a matrix exists that makes its product with two other matrices 0

How to solve for matrix $A$?

Prove $\det(I_m + AB) = \det(I_n + BA)$.

An abstraction of matrices that can be added, inverted, transposed, multiplied

$ A^2 - B^2 = I_{2n+1} \implies det(AB-BA)=0 $ where A,B are complex matrices of odd size

How to isolate matrix of interest from equation?

Solve this "quasi diagonalization" matrix equation

Solving a certain quadratic matrix equation

What can be concluded about two matrices relating the same vectors (u=Mv, u=Nv)?

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