List questions from matrix-decomposition

146

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Decomposition of matrix occuring in problem of finding $n+1$ vectors in $\mathbb{R}^n$ with pairwise equal inner product

Published on 24 Oct 2021 - 8:57

51

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Zero restrictions and product of Matrices

Published on 26 Oct 2021 - 10:20

1.7k

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Efficient algorithm of rank-one update of the Cholesky decomposition

Published on 25 Mar 2026 - 20:41

528

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Matrices and influence of small error on their inverse matrices.

Published on 26 Mar 2026 - 1:28

32

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Weighted low-rank approximation with convex constraint

Published on 06 Apr 2026 - 6:28

286

Views

LU decomposition and four fundamental subspaces relation

Published on 04 Nov 2021 - 8:19

1k

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Reasoning behind choosing appropriate decomposition when solving linear equation.

Published on 05 Nov 2021 - 20:31

39

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Cholesky factorization, why $A = L L^$ instead of $A = U U^$?

Published on 06 Nov 2021 - 22:52

52

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Why does the result of $(X^\top X + Z^\top A Z)^{\dagger}X^\top y$ is independent of A?

Published on 07 Nov 2021 - 2:12

134

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Row reducing an integer matrix

Published on 23 Feb 2026 - 12:59

35

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Update Eigendecomposition over iterations

Published on 09 Nov 2021 - 23:12

180

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What's the general form of the rotation matrices should be used in QR decomposition

Published on 10 Nov 2021 - 14:09

652

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Proof of "The symmetric factorization of a symmetric matrix is $S = LDL^T$"

Published on 10 Nov 2021 - 19:41

58

Views

Invariance of columns in update of Cholesky decomposition

Published on 25 Mar 2026 - 22:06

49

Views

How to find pseudoinverse Moore–Penrose matrix

Published on 12 Nov 2021 - 0:59

List Question

Decomposition of matrix occuring in problem of finding $n+1$ vectors in $\mathbb{R}^n$ with pairwise equal inner product

Zero restrictions and product of Matrices

Efficient algorithm of rank-one update of the Cholesky decomposition

Matrices and influence of small error on their inverse matrices.

Weighted low-rank approximation with convex constraint

LU decomposition and four fundamental subspaces relation

Reasoning behind choosing appropriate decomposition when solving linear equation.

Cholesky factorization, why $A = L L^$ instead of $A = U U^$?

Why does the result of $(X^\top X + Z^\top A Z)^{\dagger}X^\top y$ is independent of A?

Row reducing an integer matrix

Update Eigendecomposition over iterations

What's the general form of the rotation matrices should be used in QR decomposition

Proof of "The symmetric factorization of a symmetric matrix is $S = LDL^T$"

Invariance of columns in update of Cholesky decomposition

How to find pseudoinverse Moore–Penrose matrix

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