List questions from matrix-decomposition

Published on 25 May 2016 - 14:50

17.5k

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Is the $L$ in $LU$ factorization unique?

Published on 02 Apr 2026 - 17:20

835

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Complex Matrix Derivative - Trace, high orders

Published on 25 May 2016 - 19:24

369

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Eigenvectors of "weighted" Hermitian matrix?

Published on 26 May 2016 - 17:58

25.7k

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Decomposition of a positive semidefinite matrix

Published on 28 Mar 2026 - 11:36

13.2k

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Calculating SVD by hand: resolving sign ambiguities in the range vectors.

Published on 30 Mar 2026 - 4:56

610

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Positive-definite 2x2 matrix invariant under conjugation with W -> W unitary?

Published on 01 Jun 2016 - 20:19

992

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Solving 3x3 Matrix Q using Nonlinear Least Squares or Cholesky Decomposition

Published on 03 Apr 2026 - 1:05

149

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I was going through Jordanization by Jonathan Nilsson.

Published on 05 Jun 2016 - 2:02

1k

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Moore-Penrose pseudoinverse by rank decomposition

Published on 27 Mar 2026 - 7:48

450

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Why can I use this "shortcut" to compute the $k$th power of a matrix times a vector?

Published on 09 Jun 2016 - 16:40

126

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How to Solve a linear matrix equation of an array $M = BMC$ where $ B$ and $C$ are known

Published on 10 Jun 2016 - 9:12

361

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Additive decomposition of positive definite Hermitian matrices

Published on 10 Jun 2016 - 14:37

94

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General matrix solution for a variant orthogonality condition

Published on 02 Apr 2026 - 13:07

48

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Given an invertible $m \times m$ matrix $A$, is there a way to find the inverse of $A'$ where $A'$ is an infinitesimal perturbation of $A$?

Published on 12 Jun 2016 - 10:08

List Question

Cholesky decomposition of a $4 \times 4$ matrix

Is the $L$ in $LU$ factorization unique?

Complex Matrix Derivative - Trace, high orders

Eigenvectors of "weighted" Hermitian matrix?

Decomposition of a positive semidefinite matrix

Calculating SVD by hand: resolving sign ambiguities in the range vectors.

Positive-definite 2x2 matrix invariant under conjugation with W -> W unitary?

Solving 3x3 Matrix Q using Nonlinear Least Squares or Cholesky Decomposition

I was going through Jordanization by Jonathan Nilsson.

Moore-Penrose pseudoinverse by rank decomposition

Why can I use this "shortcut" to compute the $k$th power of a matrix times a vector?

How to Solve a linear matrix equation of an array $M = BMC$ where $ B$ and $C$ are known

Additive decomposition of positive definite Hermitian matrices

General matrix solution for a variant orthogonality condition

Given an invertible $m \times m$ matrix $A$, is there a way to find the inverse of $A'$ where $A'$ is an infinitesimal perturbation of $A$?

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