List questions from singular-values

Published on 27 Jan 2022 - 17:54

310

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Homogeneous system of equations and SVD

Published on 04 Feb 2022 - 9:44

152

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Singular Values and Isometry

Published on 13 Feb 2022 - 0:27

770

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Does a singular value decomposition always exist for complex matrix?

Published on 15 Feb 2022 - 1:11

28

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Optimization with a term related to its singular values?

Published on 16 Feb 2022 - 9:28

94

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How to find a matrix $X$ such that $Q \operatorname{vec}(X)=0$ and enforce $det(X) \neq 0$

Published on 22 Feb 2022 - 15:41

113

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General form of the null space of an orthogonal projection operator

Published on 25 Feb 2022 - 17:48

64

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Eigenvalues of $A^+ A$

Published on 09 Mar 2022 - 10:30

135

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What's the singular value of a symmetric matrix plus identy matrix? $A+\lambda I$

Published on 26 Mar 2026 - 9:19

94

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Bounding singular values of a block matrix

Published on 28 Mar 2022 - 12:31

39

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Singularity of $M$ if have $v^\top M v \ge \|v\|^2$ for all $v\in\{-1,0,1\}^n$

Published on 30 Mar 2022 - 21:10

152

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Distribution of singular values of a random matrix with columns constrained to be restrictly positive or negative.

Published on 12 Apr 2022 - 14:20

164

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What does it imply that all of the singular values are 1s and 0s?

Published on 21 Apr 2022 - 15:09

382

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Concavity of smallest positive eigenvalue of a semidefinite matrix

Published on 01 May 2022 - 21:01

55

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Uniform convergence under matrix inverse

Published on 26 Mar 2026 - 10:58

List Question

Relationship between singular values and eigenvalues in a sum of matrices?

Homogeneous system of equations and SVD

Singular Values and Isometry

Does a singular value decomposition always exist for complex matrix?

Optimization with a term related to its singular values?

How to find a matrix $X$ such that $Q \operatorname{vec}(X)=0$ and enforce $det(X) \neq 0$

General form of the null space of an orthogonal projection operator

Eigenvalues of $A^+ A$

What's the singular value of a symmetric matrix plus identy matrix? $A+\lambda I$

Bounding singular values of a block matrix

Singularity of $M$ if have $v^\top M v \ge \|v\|^2$ for all $v\in\{-1,0,1\}^n$

Distribution of singular values of a random matrix with columns constrained to be restrictly positive or negative.

What does it imply that all of the singular values are 1s and 0s?

Concavity of smallest positive eigenvalue of a semidefinite matrix

Uniform convergence under matrix inverse

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