List questions from matrix-equations

Published on 13 Apr 2026 - 2:33

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Simplifying a matrix equality

Published on 11 Apr 2026 - 18:03

217

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When is the trivial solution to this matrix equation the only solution?

Published on 12 Apr 2026 - 13:22

48

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Why does introducing weight to matrix product $W_{ik}H_{kj}$ need to write the weight in three dimensions ($\pi_{ijk}$)?

Published on 10 Apr 2026 - 14:18

287

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proving a transpose times its original equals to $I_n$?

Published on 13 Apr 2026 - 22:28

80

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Help with solving a parametric matrix equation

Published on 08 Apr 2026 - 21:24

58

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Invertibility of a Matrix - Specifically Commutativity

Published on 13 Apr 2026 - 11:48

282

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An irreducible minimal polynomial of a real and complex matrix

Published on 13 Apr 2026 - 11:36

1.3k

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Matrix algebra: The "magical inverse" trick

Published on 13 Apr 2026 - 17:59

109

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Solving a system of two matrix equations of form $XA=BY$

Published on 12 Apr 2026 - 0:11

852

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Multinoulli Distribution Notation

Published on 13 Apr 2026 - 11:19

351

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Understanding $Ax = b$ in terms of $Ax$ by columns and $Ax$ by rows

Published on 09 Apr 2026 - 7:14

380

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Why are the following statements true?

Published on 15 Apr 2026 - 8:09

201

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Linearisation of a Matrix Function

Published on 09 Apr 2026 - 13:17

95

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$A=\begin{pmatrix}0&0&1\\ 0&1&0\\ 1&0&0\end{pmatrix}$, $X^2=A$ has no solutions

Published on 17 Apr 2026 - 11:03

List Question

Clay Institute Navier Stokes Part 2

Simplifying a matrix equality

When is the trivial solution to this matrix equation the only solution?

Why does introducing weight to matrix product $W_{ik}H_{kj}$ need to write the weight in three dimensions ($\pi_{ijk}$)?

proving a transpose times its original equals to $I_n$?

Help with solving a parametric matrix equation

Invertibility of a Matrix - Specifically Commutativity

An irreducible minimal polynomial of a real and complex matrix

Matrix algebra: The "magical inverse" trick

Solving a system of two matrix equations of form $XA=BY$

Multinoulli Distribution Notation

Understanding $Ax = b$ in terms of $Ax$ by columns and $Ax$ by rows

Why are the following statements true?

Linearisation of a Matrix Function

$A=\begin{pmatrix}0&0&1\\ 0&1&0\\ 1&0&0\end{pmatrix}$, $X^2=A$ has no solutions

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