List questions from linear-algebra

Published on 10 May 2026 - 9:09

209

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Continuity of a supremum function

Published on 11 May 2026 - 1:21

165

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Question involving 4 equations in 4 variables

Published on 15 Apr 2026 - 22:51

62

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Is the dual of a cone can be defined by the dual of the closure of its convex hull?

Published on 16 May 2026 - 19:07

364

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Pseudo-inverse from CUR decomposition

Published on 10 May 2026 - 14:50

373

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Help with matrix derivative

Published on 10 Apr 2026 - 22:14

558

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Complex analysis for matrix functions?

Published on 11 Apr 2026 - 14:08

333

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Preservation of eigenspaces for commuting matrices

Published on 17 Apr 2026 - 13:38

123

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Find $\operatorname{Tr}(A^{2018})$ if $\det(A^2-2018I_2)=0$

Published on 25 Apr 2026 - 15:12

72

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Comparing eigenvalues of a matrix

Published on 25 Apr 2026 - 15:06

68

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matrices multiplication $AB=I$ imply that span of cols A is $F^m$

Published on 13 Apr 2026 - 22:46

426

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How do the eigenvalues of $A$ relate to $DAD$ where $A$ is symmetric and $D$ is diagonal?

Published on 11 May 2026 - 4:39

70

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Analysis of $\mathbb C^{n\times n} \to \mathbb C^{n\times n}$ functions and integrals of them.

Published on 10 May 2026 - 12:34

25

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linear transformation with transformation matrix

Published on 08 Apr 2026 - 20:45

38

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Linear independent of lines

Published on 12 Apr 2026 - 20:26

List Question

Find the characteristic polynomial |$\lambda - AI $| for this $5 \times 5$ matrix

Continuity of a supremum function

Question involving 4 equations in 4 variables

Is the dual of a cone can be defined by the dual of the closure of its convex hull?

Pseudo-inverse from CUR decomposition

Help with matrix derivative

Complex analysis for matrix functions?

Preservation of eigenspaces for commuting matrices

Find $\operatorname{Tr}(A^{2018})$ if $\det(A^2-2018I_2)=0$

Comparing eigenvalues of a matrix

matrices multiplication $AB=I$ imply that span of cols A is $F^m$

How do the eigenvalues of $A$ relate to $DAD$ where $A$ is symmetric and $D$ is diagonal?

Analysis of $\mathbb C^{n\times n} \to \mathbb C^{n\times n}$ functions and integrals of them.

linear transformation with transformation matrix

Linear independent of lines

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