List questions from matrix-equations

Published on 09 Apr 2026 - 7:56

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Best linear transformation

Published on 08 Apr 2026 - 21:48

102

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Confusion about ricci notation

Published on 11 Apr 2026 - 14:50

112

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How to decide for which values a polynomial system of equations do not have any solutions?

Published on 12 Apr 2026 - 19:57

43

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Solution to simple matrix equation (with a Lyapunov equation flavor, but involving a transpose)

Published on 10 Apr 2026 - 19:16

121

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What is a matrix whose components are basis vectors?

Published on 10 Apr 2026 - 23:48

34

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Solving for $x$ using the inverse matrix?

Published on 12 Apr 2026 - 11:17

223

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Decomposition of a matrix with orthogonal columns

Published on 12 Apr 2026 - 23:09

336

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Closed-form solution for quadratic optimization with L2 regularization?

Published on 12 Apr 2026 - 6:12

61

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Determine $X \in M_{n\times n}(\mathbb{C})$ satisfying $AX=XA$ for every $A \in M_{n\times n}(\mathbb{C})$.

Published on 12 Apr 2026 - 19:57

44

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Alternative Formulation for Direct Sum of Matrices

Published on 11 Apr 2026 - 8:36

438

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Calculate Rotation matrix from Essential Matrix when translation relation is known

Published on 13 Apr 2026 - 21:31

182

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Eigenvalues of a blockmatrix

Published on 13 Apr 2026 - 5:56

113

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$A \in M_{n\times n}(\mathbb{Q})$ with $A\neq I_n$, $A^p=I_n$ then $p\leq n+1$.

Published on 17 Apr 2026 - 4:15

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Constructing $A(\neq I_n) \in M_{n}(\mathbb{Q})$ with $A^{n+1} = I_n$

Published on 16 Apr 2026 - 7:50

List Question

Proof of a polynomial matrix equation

Best linear transformation

Confusion about ricci notation

How to decide for which values a polynomial system of equations do not have any solutions?

Solution to simple matrix equation (with a Lyapunov equation flavor, but involving a transpose)

What is a matrix whose components are basis vectors?

Solving for $x$ using the inverse matrix?

Decomposition of a matrix with orthogonal columns

Closed-form solution for quadratic optimization with L2 regularization?

Determine $X \in M_{n\times n}(\mathbb{C})$ satisfying $AX=XA$ for every $A \in M_{n\times n}(\mathbb{C})$.

Alternative Formulation for Direct Sum of Matrices

Calculate Rotation matrix from Essential Matrix when translation relation is known

Eigenvalues of a blockmatrix

$A \in M_{n\times n}(\mathbb{Q})$ with $A\neq I_n$, $A^p=I_n$ then $p\leq n+1$.

Constructing $A(\neq I_n) \in M_{n}(\mathbb{Q})$ with $A^{n+1} = I_n$

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