Question

What does it mean for all norms are elementwise over matrix entries

score 592 · Answer 1 · 2026-03-27 17:51:55

592

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What does it mean for all norms are elementwise over matrix entries

Published on 27 Mar 2026 - 17:51

score 337 · Answer 2 · 2026-03-25 19:03:33

337

Views

Matrix derivation of the normal equations - how to properly differentiate?

Published on 25 Mar 2026 - 19:03

score 643 · Answer 3 · 2026-03-26 20:25:50

643

Views

The linear operator $T_A(B)=AB-BA$ defined on $\mathbb M_n(\mathbb C)$ has a null determinant

Published on 26 Mar 2026 - 20:25

score 2.1k · Answer 4 · 2026-04-03 07:51:13

2.1k

Views

Prove that nuclear norm of a matrix is equal to the sum of squares of Frobenius norm

Published on 03 Apr 2026 - 7:51

score 100 · Answer 5 · 2018-04-09 13:45:17

Let $T : R^2 → R^3$ be the linear transformation given by a rule Find the matrix $A$ that represents $T$ relative to ordered bases

score 302 · Answer 6 · 2026-03-27 22:53:00

302

Views

Spectral radius of a pair of operators which commute

Published on 27 Mar 2026 - 22:53

score 292 · Answer 7 · 2026-03-25 03:19:46

292

Views

Matrix inverse, Schur's complement and the chicken or the egg dilemma

Published on 25 Mar 2026 - 3:19

score 140 · Answer 8 · 2018-04-09 16:19:23

140

Views

For every real matrix $A$ there is a non-negative vector $v$ with $Av \geq A^Tv$ coordinate-wise.

Published on 09 Apr 2018 - 16:19

score 65 · Answer 9 · 2018-04-09 17:11:50

65

Views

Derivative of $\ \ Trace(GG^T GG^T)\ \ $ with respect to G

Published on 09 Apr 2018 - 17:11

score 38 · Answer 10 · 2026-03-25 09:22:53

38

Views

When and why attached vector is ambiguously defined?

Published on 25 Mar 2026 - 9:22

score 47 · Answer 11 · 2026-04-08 04:24:59

47

Views

How and the best way to resolve this matrix equation

Published on 08 Apr 2026 - 4:24

score 274 · Answer 12 · 2026-03-26 20:25:49

274

Views

True/False From Howard Anton's Linear Algebra

Published on 26 Mar 2026 - 20:25

score 86 · Answer 13 · 2026-03-30 13:21:33

86

Views

How many solutions do these systems of equations have?

Published on 30 Mar 2026 - 13:21

score 853 · Answer 14 · 2026-03-25 23:56:39

853

Views

Counting matrices over a finite field.

Published on 25 Mar 2026 - 23:56

score 782 · Answer 15 · 2026-03-25 01:17:34

782

Views

$A$ is positive definite iff there exists a nonsingular $C$ s.t. $C^*AC$ is positive definite

Published on 25 Mar 2026 - 1:17

List Question

What does it mean for all norms are elementwise over matrix entries

Matrix derivation of the normal equations - how to properly differentiate?

The linear operator $T_A(B)=AB-BA$ defined on $\mathbb M_n(\mathbb C)$ has a null determinant

Prove that nuclear norm of a matrix is equal to the sum of squares of Frobenius norm

Let $T : R^2 → R^3$ be the linear transformation given by a rule Find the matrix $A$ that represents $T$ relative to ordered bases

Spectral radius of a pair of operators which commute

Matrix inverse, Schur's complement and the chicken or the egg dilemma

For every real matrix $A$ there is a non-negative vector $v$ with $Av \geq A^Tv$ coordinate-wise.

Derivative of $\ \ Trace(GG^T GG^T)\ \ $ with respect to G

When and why attached vector is ambiguously defined?

How and the best way to resolve this matrix equation

True/False From Howard Anton's Linear Algebra

How many solutions do these systems of equations have?

Counting matrices over a finite field.

$A$ is positive definite iff there exists a nonsingular $C$ s.t. $C^*AC$ is positive definite

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