List questions from matrix-equations

Published on 16 Apr 2026 - 23:49

192

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Need help with finding values a,b,c and d from this matrix question

Published on 10 Apr 2026 - 18:42

31

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Help finding matrix representation of a linear operator (transformation?) with respect to given bases

Published on 10 Apr 2026 - 8:40

136

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Solving a matrix equation $AB=CD$

Published on 14 Apr 2026 - 2:03

48

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Why does $\sum^D_{j=1}w_{ii}^Ax_i^2$ vanish?

Published on 12 Apr 2026 - 7:06

57

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Solution for the AX=XB matrix equation

Published on 08 Apr 2026 - 16:33

287

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Proving the existence of a controllability matrix.

Published on 13 Apr 2026 - 7:17

67

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The power equation in $\mathrm{PSL}_2(\mathbb{C})$

Published on 11 Apr 2026 - 21:10

48

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Question about multiplying a rank $1$ density matrix with a positive semidefinite matrix

Published on 15 Apr 2026 - 1:56

235

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If v=av1+bv2 has unique solutions for a and b, what does this say about v, v1, and v2?

Published on 15 Apr 2026 - 7:31

23

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Elementary Matrices ranking

Published on 15 Apr 2026 - 17:02

319

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Construct a $3 \times 3$ matrix $A$ with $C(A) \subset N(A)$

Published on 10 Apr 2026 - 1:15

124

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Why I can't find inverse of matrix 2x2 by 3x3 method?

Published on 14 Apr 2026 - 22:27

1.1k

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Show that the entries of the main diagonal of square matrix give the degrees of the vertices of the graph

Published on 16 Apr 2026 - 10:25

53

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A question about Inverse Matrix

Published on 11 Apr 2026 - 12:43

List Question

Why can't I get the right stationary vector for this markov chain

Need help with finding values a,b,c and d from this matrix question

Help finding matrix representation of a linear operator (transformation?) with respect to given bases

Solving a matrix equation $AB=CD$

Why does $\sum^D_{j=1}w_{ii}^Ax_i^2$ vanish?

Solution for the AX=XB matrix equation

Proving the existence of a controllability matrix.

The power equation in $\mathrm{PSL}_2(\mathbb{C})$

Question about multiplying a rank $1$ density matrix with a positive semidefinite matrix

If v=av1+bv2 has unique solutions for a and b, what does this say about v, v1, and v2?

Elementary Matrices ranking

Construct a $3 \times 3$ matrix $A$ with $C(A) \subset N(A)$

Why I can't find inverse of matrix 2x2 by 3x3 method?

Show that the entries of the main diagonal of square matrix give the degrees of the vertices of the graph

A question about Inverse Matrix

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