List questions from matrix-equations

Published on 09 Apr 2026 - 9:27

43

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Intermediate steps of this matrix equality?

Published on 12 Apr 2026 - 22:26

73

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Understanding this matrix expansion

Published on 09 Apr 2026 - 7:16

886

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How to write out a percentile rank thresholding for a vector as a mathematical notation?

Published on 14 Apr 2026 - 7:35

85

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If $X^6+X^5-2X^4-X^2-X+2=0$, what values of $\mbox{tr}(X)$ are admissible?

Published on 16 Apr 2026 - 15:58

73

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Expressing recurrence relations in matrix form

Published on 12 Apr 2026 - 1:52

55

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Find a matrix M that rotates vector A to the same direction and sense of vector B

Published on 17 Apr 2026 - 7:51

62

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Matrix Recurence Relation, $M_n=M_{n-1}M_{n-2}$

Published on 17 Apr 2026 - 11:44

183

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$(I-A)^k=0 \text{ implies that } \exists A^{-1} \text{ s.t. }AA^{-1}=I $

Published on 16 Apr 2026 - 10:32

124

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A matrix valued differential equation

Published on 17 Apr 2026 - 4:15

107

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Trace of the exponential matrix and its relation to the determinent of the argument

Published on 24 Apr 2026 - 23:14

90

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A matrix valued differential equation: Part 2

Published on 24 Apr 2026 - 23:09

98

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3D rotating using whole number increments.

Published on 19 Apr 2026 - 3:23

981

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If a linear system Ax=b has no solution then there are infinitely many vectors c such that system Ax=c has no solution.

Published on 13 Apr 2026 - 14:31

40

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Do there exist further assumption on $Ax=b, x\geq 0$ that imply the solvability?

Published on 14 Apr 2026 - 0:06

List Question

Solving matrix equation with element-wise products

Intermediate steps of this matrix equality?

Understanding this matrix expansion

How to write out a percentile rank thresholding for a vector as a mathematical notation?

If $X^6+X^5-2X^4-X^2-X+2=0$, what values of $\mbox{tr}(X)$ are admissible?

Expressing recurrence relations in matrix form

Find a matrix M that rotates vector A to the same direction and sense of vector B

Matrix Recurence Relation, $M_n=M_{n-1}M_{n-2}$

$(I-A)^k=0 \text{ implies that } \exists A^{-1} \text{ s.t. }AA^{-1}=I $

A matrix valued differential equation

Trace of the exponential matrix and its relation to the determinent of the argument

A matrix valued differential equation: Part 2

3D rotating using whole number increments.

If a linear system Ax=b has no solution then there are infinitely many vectors c such that system Ax=c has no solution.

Do there exist further assumption on $Ax=b, x\geq 0$ that imply the solvability?

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