Question

Hermitian matrix and theorem about its eigenvalues

score 129 · Answer 1 · 2018-04-21 06:28:59

129

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Hermitian matrix and theorem about its eigenvalues

Published on 21 Apr 2018 - 6:28

score 51 · Answer 2 · 2018-04-21 08:37:07

51

Views

Matrix norms and projections

Published on 21 Apr 2018 - 8:37

score 474 · Answer 3 · 2026-04-01 04:06:21

474

Views

Prove that deleting the $kth $ row and column of an $n \times n$ symmetric matrix of rank $n-1$ yields an invertible matrix

Published on 01 Apr 2026 - 4:06

score 27 · Answer 4 · 2026-04-09 09:04:04

27

Views

finding support of a linear combination of vectors

Published on 09 Apr 2026 - 9:04

score 24 · Answer 5 · 2026-03-29 04:41:30

24

Views

Determine the matrice of linear transformation relative to the basis

Published on 29 Mar 2026 - 4:41

score 89 · Answer 6 · 2026-04-07 22:34:39

89

Views

$ X^{25} = A $ in $ M_{2}(\mathbb{R}) $

Published on 07 Apr 2026 - 22:34

score 63 · Answer 7 · 2026-03-25 09:26:12

63

Views

Is $M_n(R)$ Dedekind if $R$ is Dedekind?

Published on 25 Mar 2026 - 9:26

score 33 · Answer 8 · 2026-03-26 22:17:32

33

Views

Why is this matrix-transformation true? (determinant)

Published on 26 Mar 2026 - 22:17

score 89 · Answer 9 · 2026-03-27 19:54:16

89

Views

Let A be a real $n \times n$ matrix such that $\langle Ax,x\rangle \geq 0$ Prove that $Au=0$ iff $A^tu=0$.

Published on 27 Mar 2026 - 19:54

score 240 · Answer 10 · 2026-03-27 17:24:22

240

Views

What is the asymptotic distribution of the right singular vectors of a matrix with multivariate gaussian sampled rows?

Published on 27 Mar 2026 - 17:24

score 358 · Answer 11 · 2018-04-21 20:06:09

358

Views

If I have $A(AA)^{-1} A$ where $A$ is an $n \times n$ matrix, will I get the Identity matrix?

Published on 21 Apr 2018 - 20:06

score 6.8k · Answer 12 · 2026-04-09 04:13:59

6.8k

Views

Frobenius and operator norms of rank 1 matrices

Published on 09 Apr 2026 - 4:13

score 51 · Answer 13 · 2026-04-08 00:17:49

51

Views

Is it possible determine reduction costs from the vector of duals?

Published on 08 Apr 2026 - 0:17

score 49 · Answer 14 · 2026-03-24 20:32:08

49

Views

Determinant-of-Determinants Form equivalent of $\mathbf{ x^T Q x}$

Published on 24 Mar 2026 - 20:32

score 692 · Answer 15 · 2018-04-22 07:24:12

692

Views

Check whether $\exp(pA)-I$ is positive definite?

Published on 22 Apr 2018 - 7:24

List Question

Hermitian matrix and theorem about its eigenvalues

Matrix norms and projections

Prove that deleting the $kth $ row and column of an $n \times n$ symmetric matrix of rank $n-1$ yields an invertible matrix

finding support of a linear combination of vectors

Determine the matrice of linear transformation relative to the basis

$ X^{25} = A $ in $ M_{2}(\mathbb{R}) $

Is $M_n(R)$ Dedekind if $R$ is Dedekind?

Why is this matrix-transformation true? (determinant)

Let A be a real $n \times n$ matrix such that $\langle Ax,x\rangle \geq 0$ Prove that $Au=0$ iff $A^tu=0$.

What is the asymptotic distribution of the right singular vectors of a matrix with multivariate gaussian sampled rows?

If I have $A(AA)^{-1} A$ where $A$ is an $n \times n$ matrix, will I get the Identity matrix?

Frobenius and operator norms of rank 1 matrices

Is it possible determine reduction costs from the vector of duals?

Determinant-of-Determinants Form equivalent of $\mathbf{ x^T Q x}$

Check whether $\exp(pA)-I$ is positive definite?

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