List questions from matrix-calculus

Published on 30 Mar 2026 - 3:17

588

Views

How to differentiate the function $f(\mathbf x) = \|\mathbf x\|^2 \mathbf x$?

Published on 28 Mar 2026 - 8:37

113

Views

Is there a systematic relation between the generating functions for the rows vs that for columns of infinite sized Carleman-matrices?

Published on 25 Mar 2026 - 16:02

10.3k

Views

Given a unitary matrix $U$, how do I find $A$ such that $U=e^{iA}$?

Published on 25 Mar 2026 - 6:01

113

Views

How to understand the derivative of vector-value function with respect to matrix?

Published on 02 Oct 2019 - 9:06

55

Views

Expressing a matrix product of a matrix and a hadamard product as a hadamard product of matrix products

Published on 25 Mar 2026 - 16:09

488

Views

Chain rule with 3rd order tensors

Published on 28 Mar 2026 - 14:37

90

Views

Proof verification for differentiation through complex SVD

Published on 28 Mar 2026 - 3:25

81

Views

Ramanujan theta function on matrices: When does $\sum A^{n(n-1)/2} B^{n(n+1)/2}$ converge?

Published on 25 Mar 2026 - 7:43

81

Views

Limit of a matrix multiplication with complex values

Published on 29 Mar 2026 - 6:04

58

Views

For a matrix $A$, does convergence of a subsequence $A^{k_n}\to0$ imply convergence of the sequence of powers $A^n\to0$?

Published on 08 Oct 2019 - 0:17

140

Views

A property involving two commuting 3-by-3 matrices with non-negative entries

Published on 25 Mar 2026 - 6:04

145

Views

Vector derivative of expression involving square root

Published on 09 Oct 2019 - 12:33

90

Views

Is the orthogonal polar factor of matrices of nullity 1 smooth?

Published on 26 Mar 2026 - 17:32

134

Views

Chain Rule for Matrix Valued Functions

Published on 29 Mar 2026 - 10:09

List Question

trace identities for the functional calculus

How to differentiate the function $f(\mathbf x) = \|\mathbf x\|^2 \mathbf x$?

Is there a systematic relation between the generating functions for the rows vs that for columns of infinite sized Carleman-matrices?

Given a unitary matrix $U$, how do I find $A$ such that $U=e^{iA}$?

How to understand the derivative of vector-value function with respect to matrix?

Expressing a matrix product of a matrix and a hadamard product as a hadamard product of matrix products

Chain rule with 3rd order tensors

Proof verification for differentiation through complex SVD

Ramanujan theta function on matrices: When does $\sum A^{n(n-1)/2} B^{n(n+1)/2}$ converge?

Limit of a matrix multiplication with complex values

For a matrix $A$, does convergence of a subsequence $A^{k_n}\to0$ imply convergence of the sequence of powers $A^n\to0$?

A property involving two commuting 3-by-3 matrices with non-negative entries

Vector derivative of expression involving square root

Is the orthogonal polar factor of matrices of nullity 1 smooth?

Chain Rule for Matrix Valued Functions

Trending Questions

Popular # Hahtags

Popular Questions