List questions from matrix-calculus

Published on 15 Apr 2026 - 7:56

96

Views

Product of nonzero symetric positive semi-definite and positive definite

Published on 15 Apr 2026 - 6:22

138

Views

Trace of a nonzero symmetric positive semi-definte matrix

Published on 13 Apr 2026 - 19:09

68

Views

Partial derivative of inverse matrix element to the initial matrix element

Published on 16 Apr 2026 - 15:46

130

Views

Is this the correct equation for derivative of a matrix w.r.t. a matrix?

Published on 14 Apr 2026 - 20:24

49

Views

In $M_n(\mathbb{R})$, does the tangent vector to a path commute with the position?

Published on 15 Apr 2026 - 23:27

106

Views

Trace of the exponential matrix and its relation to the determinent of the argument

Published on 12 Apr 2026 - 12:16

153

Views

What is the derivative of $\sum_{i,j}^n \langle A^{ij}x_i,x_j \rangle$

Published on 14 Apr 2026 - 12:23

89

Views

A matrix valued differential equation: Part 2

Published on 14 Apr 2026 - 22:16

63

Views

Has the differential equation $ A'(t) \times adj (A(t)) = M(t)$ already been studied?

Published on 15 Apr 2026 - 13:58

608

Views

Partial derivative of $x^TA^TAx$ with respect to $A$

Published on 10 Apr 2026 - 19:40

117

Views

Functions of a Matrix

Published on 14 Apr 2026 - 7:06

350

Views

Using a pseudo-inverse for the solution/least-squares of $X$ in $AXA^T=B$

Published on 11 Apr 2026 - 20:16

243

Views

Non-commutative matrix Taylor series + How to compute the Jordan Chevalley

Published on 13 Apr 2026 - 15:33

62

Views

How to bound the minimum singular value of a rectangular matrix

Published on 09 Apr 2026 - 17:39

List Question

Derivative of $\Bbb C^{n \times n} \to \Bbb C^{n \times n}$ function

Product of nonzero symetric positive semi-definite and positive definite

Trace of a nonzero symmetric positive semi-definte matrix

Partial derivative of inverse matrix element to the initial matrix element

Is this the correct equation for derivative of a matrix w.r.t. a matrix?

In $M_n(\mathbb{R})$, does the tangent vector to a path commute with the position?

Trace of the exponential matrix and its relation to the determinent of the argument

What is the derivative of $\sum_{i,j}^n \langle A^{ij}x_i,x_j \rangle$

A matrix valued differential equation: Part 2

Has the differential equation $ A'(t) \times adj (A(t)) = M(t)$ already been studied?

Partial derivative of $x^TA^TAx$ with respect to $A$

Functions of a Matrix

Using a pseudo-inverse for the solution/least-squares of $X$ in $AXA^T=B$

Non-commutative matrix Taylor series + How to compute the Jordan Chevalley

How to bound the minimum singular value of a rectangular matrix

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