List questions from matrix-calculus

Published on 14 Apr 2026 - 23:43

84

Views

Jacobian and Hessian of inverse norm of linear map

Published on 12 Apr 2026 - 5:41

87

Views

Resolvent matrix of the product

Published on 14 Apr 2026 - 8:19

74

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Gershgorin's theorem, too large numbers cannot be the eigenvalues of a matrix, an example

Published on 14 Apr 2026 - 8:14

332

Views

The Inverse Equation for a 2x2 matrix

Published on 12 Apr 2026 - 8:20

90

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matrix derivation

Published on 12 Apr 2026 - 3:41

125

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Pseudoinverse of Gaussian matrix converges to its transpose

Published on 11 Apr 2026 - 22:28

81

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One-dimensional integral of an exponential integrand which is a function of an infinite-dimensional operator

Published on 08 Apr 2026 - 22:00

83

Views

Gradient of $X \mapsto \frac1{\sqrt{\det (X)}}$

Published on 17 Apr 2026 - 14:52

191

Views

If $A$ commutes with $(AB - BA)^2$, is $\det(AB - BA) = 0$?

Published on 12 Apr 2026 - 17:34

34

Views

Nilpotent matrices proof of A^n=0

Published on 14 Apr 2026 - 12:43

46

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How to prove or explain some matrix identities.

Published on 12 Apr 2026 - 7:42

63

Views

Matrix multiplication and nilpotent matrix

Published on 13 Apr 2026 - 0:55

104

Views

Does the inverse of this matrix exist?

Published on 12 Apr 2026 - 8:31

54

Views

Expanding the derivative of a singular value using chain rule

Published on 12 Apr 2026 - 12:35

List Question

Differentiating $t \mapsto $ $(P+$ $tQ)^{-1}$ at for an invertible matrix $P$ at $t=0$

Jacobian and Hessian of inverse norm of linear map

Resolvent matrix of the product

Gershgorin's theorem, too large numbers cannot be the eigenvalues of a matrix, an example

The Inverse Equation for a 2x2 matrix

matrix derivation

Pseudoinverse of Gaussian matrix converges to its transpose

One-dimensional integral of an exponential integrand which is a function of an infinite-dimensional operator

Gradient of $X \mapsto \frac1{\sqrt{\det (X)}}$

If $A$ commutes with $(AB - BA)^2$, is $\det(AB - BA) = 0$?

Nilpotent matrices proof of A^n=0

How to prove or explain some matrix identities.

Matrix multiplication and nilpotent matrix

Does the inverse of this matrix exist?

Expanding the derivative of a singular value using chain rule

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