Question

Why is $\operatorname{diag}(\operatorname{diag}(AB)(\operatorname{diag}(AB))')\approx \frac{1}{T}\operatorname{diag}(ABB'A')$

score 67 · Answer 1 · 2020-02-05 18:00:09

67

Views

Why is $\operatorname{diag}(\operatorname{diag}(AB)(\operatorname{diag}(AB))')\approx \frac{1}{T}\operatorname{diag}(ABB'A')$

Published on 05 Feb 2020 - 18:00

score 31 · Answer 2 · 2020-02-07 17:30:30

Is it possible to diagonalize a matrix whose elements are given as functions of the indices without specifying the number of dimensions?

score 629 · Answer 3 · 2020-02-09 04:21:38

629

Views

Over what fields are finite order endomorphisms of vector spaces diagonalizable?

Published on 09 Feb 2020 - 4:21

score 59 · Answer 4 · 2026-03-29 12:28:00

59

Views

If I don't know the matrix, but its eigenvectors, how do I know if it is orthogonally diagonizable?

Published on 29 Mar 2026 - 12:28

score 166 · Answer 5 · 2026-02-23 04:56:35

166

Views

What is the relationship between the Williamson normal form of a matrix and its orthogonal diagonalisation?

Published on 23 Feb 2026 - 4:56

score 62 · Answer 6 · 2020-02-11 14:27:28

62

Views

Let $B\in GL_n (\mathbb{R})$ such that :

Published on 11 Feb 2020 - 14:27

score 81 · Answer 7 · 2020-02-11 20:42:56

81

Views

check the validity of the statement

Published on 11 Feb 2020 - 20:42

score 216 · Answer 8 · 2020-02-13 18:26:19

216

Views

Relation between SVD and eigen decomposition for symetric matrix.

Published on 13 Feb 2020 - 18:26

score 235 · Answer 9 · 2020-02-15 21:50:10

235

Views

find $\alpha,\beta$ such that $A^{-1}=\alpha A+\beta I$.

Published on 15 Feb 2020 - 21:50

score 157 · Answer 10 · 2020-02-18 00:13:04

157

Views

Eigenvectors of a Symmetric Linear Map With a Single Eigenvalue

Published on 18 Feb 2020 - 0:13

score 73 · Answer 11 · 2020-02-18 15:41:17

73

Views

If product of polynomials factors into linear factors with no repeated roots -- what can we say about the factors of the product?

Published on 18 Feb 2020 - 15:41

score 855 · Answer 12 · 2026-03-25 07:42:42

855

Views

Spectral Norm of block diagonal matrix

Published on 25 Mar 2026 - 7:42

score 398 · Answer 13 · 2026-03-25 09:27:34

398

Views

If $A,B$ are diagonalisable, does $AB$ diagonalisable imply $BA$ diagonalisable?

Published on 25 Mar 2026 - 9:27

score 1k · Answer 14 · 2026-03-25 23:56:28

1k

Views

Prove that a non-zero matrix satisfying $A^N = \textbf0$ for some $N$ cannot be diagonalized.

Published on 25 Mar 2026 - 23:56

score 32 · Answer 15 · 2020-02-23 08:16:35

32

Views

Properties of a Matrix that diagonalizes another matrix

Published on 23 Feb 2020 - 8:16

List Question

Why is $\operatorname{diag}(\operatorname{diag}(AB)(\operatorname{diag}(AB))')\approx \frac{1}{T}\operatorname{diag}(ABB'A')$

Is it possible to diagonalize a matrix whose elements are given as functions of the indices without specifying the number of dimensions?

Over what fields are finite order endomorphisms of vector spaces diagonalizable?

If I don't know the matrix, but its eigenvectors, how do I know if it is orthogonally diagonizable?

What is the relationship between the Williamson normal form of a matrix and its orthogonal diagonalisation?

Let $B\in GL_n (\mathbb{R})$ such that :

check the validity of the statement

Relation between SVD and eigen decomposition for symetric matrix.

find $\alpha,\beta$ such that $A^{-1}=\alpha A+\beta I$.

Eigenvectors of a Symmetric Linear Map With a Single Eigenvalue

If product of polynomials factors into linear factors with no repeated roots -- what can we say about the factors of the product?

Spectral Norm of block diagonal matrix

If $A,B$ are diagonalisable, does $AB$ diagonalisable imply $BA$ diagonalisable?

Prove that a non-zero matrix satisfying $A^N = \textbf0$ for some $N$ cannot be diagonalized.

Properties of a Matrix that diagonalizes another matrix

Trending Questions

Popular # Hahtags

Popular Questions