List questions from matrix-decomposition

Published on 26 Mar 2026 - 8:23

31

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Reasons of computing smallest eigenvalue $R^TR$ instead of singular value

Published on 27 Mar 2026 - 21:17

42

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Link between SVD and Spectral decomposition

Published on 07 Feb 2024 - 17:09

81

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Decompositions of symplectic matrices over the integers

Published on 23 Feb 2026 - 12:13

15

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Decomposing (unimodular) matrix over integers into product of matrices mod d

Published on 04 Mar 2026 - 21:09

14

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Decomposition of a positive semidefinite matrix in the form $Q = BB^H = CC^H$

Published on 02 Mar 2026 - 10:23

110

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Is $SL(2,\Bbb R)$ generated by $SO(2)$ and a single upper triangular element?

Published on 20 Feb 2024 - 19:57

23

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Given general solution of a matrix, how to reconstruct its RREF form?

Published on 21 Feb 2024 - 6:43

29

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For an $n$ by $n$ symmetric matrix $M$, why does $Tr(M)^2/Tr(M^2)>n-1$ imply that M is positive or negative definite?

Published on 30 Mar 2026 - 0:05

31

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Decomposing a matrix with unit sphere constraints

Published on 29 Mar 2026 - 12:03

23

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Differences between QR and LQ matrix decomposition

Published on 24 Feb 2024 - 11:20

83

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$(A+B)^2\|B^{-1}\|-A$ is positive definite?

Published on 25 Feb 2024 - 5:53

14

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Factorizing $AMA^T+N=WW^T$ efficiently.

Published on 02 Mar 2026 - 10:23

85

Views

Specific basis for the space of symmetric matrices

Published on 31 Mar 2026 - 20:40

171

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The relation between the eigenvalue of a Hermitian matrix and the block matrix that composed by it real and imaginary part

Published on 26 Mar 2026 - 13:00

List Question

Zero trace matrix, product of symetric and antisymetric matrices

Reasons of computing smallest eigenvalue $R^TR$ instead of singular value

Link between SVD and Spectral decomposition

Decompositions of symplectic matrices over the integers

Decomposing (unimodular) matrix over integers into product of matrices mod d

Decomposition of a positive semidefinite matrix in the form $Q = BB^H = CC^H$

Is $SL(2,\Bbb R)$ generated by $SO(2)$ and a single upper triangular element?

Given general solution of a matrix, how to reconstruct its RREF form?

For an $n$ by $n$ symmetric matrix $M$, why does $Tr(M)^2/Tr(M^2)>n-1$ imply that M is positive or negative definite?

Decomposing a matrix with unit sphere constraints

Differences between QR and LQ matrix decomposition

$(A+B)^2\|B^{-1}\|-A$ is positive definite?

Factorizing $AMA^T+N=WW^T$ efficiently.

Specific basis for the space of symmetric matrices

The relation between the eigenvalue of a Hermitian matrix and the block matrix that composed by it real and imaginary part

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