List questions from matrix-equations

Published on 22 Mar 2026 - 11:37

172

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Can it be proved that non-symmetric matrix $A$ will always have real eigen values?.

Published on 21 Mar 2026 - 7:04

330

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Real eigenvalues of a non-symmetric matrix $A$ ?.

Published on 22 Mar 2026 - 20:48

413

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How to differentiate sum of matrix multiplication?

Published on 21 Mar 2026 - 4:49

53

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Do all 2-variable polynomials split into linear factors over the space of $2 \times 2$ complex matrices?

Published on 20 Mar 2026 - 8:36

83

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Big picture discussion for iterative linear solvers?

Published on 23 Mar 2026 - 12:15

1.1k

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Matrix transformations, Eigenvectors and Eigenvalues

Published on 20 Mar 2026 - 19:51

66

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Jordan chevaley decomposition and cyclic vectors

Published on 24 Mar 2026 - 10:56

1k

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If $A$ is a $5×4$ matrix and $B$ is a $4×5$ matrix

Published on 22 Mar 2026 - 10:30

91

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Simplify $x^TA(AA^T+I)^{-1}A^Tx$

Published on 22 Mar 2026 - 11:19

129

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Necessary condition for a matrix equation to be zero

Published on 20 Mar 2026 - 1:17

780

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Proof that, given $U$ unitary there is a unique $A$ such that $U = (I-A)(I+A)^{-1}$

Published on 25 Mar 2026 - 6:53

860

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Intersection of two affine subspaces in vector space

Published on 22 Mar 2026 - 6:19

165

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can I have $\det(A+B)=0$ if $\det(A)=0$ and $\det(B) \neq 0$?

Published on 19 Mar 2026 - 22:37

15k

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Find all $x \in\mathbb R^4$ that are mapped into the zero vector by the transformation $x \mapsto Ax$

Published on 24 Mar 2026 - 17:07

List Question

tensor differential equation

Can it be proved that non-symmetric matrix $A$ will always have real eigen values?.

Real eigenvalues of a non-symmetric matrix $A$ ?.

How to differentiate sum of matrix multiplication?

Do all 2-variable polynomials split into linear factors over the space of $2 \times 2$ complex matrices?

Big picture discussion for iterative linear solvers?

Matrix transformations, Eigenvectors and Eigenvalues

Jordan chevaley decomposition and cyclic vectors

If $A$ is a $5×4$ matrix and $B$ is a $4×5$ matrix

Simplify $x^TA(AA^T+I)^{-1}A^Tx$

Necessary condition for a matrix equation to be zero

Proof that, given $U$ unitary there is a unique $A$ such that $U = (I-A)(I+A)^{-1}$

Intersection of two affine subspaces in vector space

can I have $\det(A+B)=0$ if $\det(A)=0$ and $\det(B) \neq 0$?

Find all $x \in\mathbb R^4$ that are mapped into the zero vector by the transformation $x \mapsto Ax$

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