Question

For the matrix norm in Theorem $2$, prove or disprove: $\|AB\|_{\infty}=\|A\|_{\infty}\|B\|_{\infty}$. What about the special case

score 61 · Answer 1 · 2026-04-12 18:51:32

61

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For the matrix norm in Theorem $2$, prove or disprove: $\|AB\|_{\infty}=\|A\|_{\infty}\|B\|_{\infty}$. What about the special case

Published on 12 Apr 2026 - 18:51

score 221 · Answer 2 · 2026-04-12 02:11:42

221

Views

Linear Algebra - Subspace test and proving linear independence

Published on 12 Apr 2026 - 2:11

score 419 · Answer 3 · 2026-04-11 17:28:33

419

Views

how to solve for eigenvectors given closed-form for infinite set of eigenvalues?

Published on 11 Apr 2026 - 17:28

score 57 · Answer 4 · 2026-04-09 13:17:16

57

Views

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Published on 09 Apr 2026 - 13:17

score 65 · Answer 5 · 2026-04-14 03:10:10

65

Views

Let $V$ and $W$ be vector spaces on a field $K$.

Published on 14 Apr 2026 - 3:10

score 261 · Answer 6 · 2026-04-14 03:32:38

261

Views

Do we really need to specify a basis to describe a tuple?

Published on 14 Apr 2026 - 3:32

score 1.5k · Answer 7 · 2026-04-13 17:03:15

1.5k

Views

Vector space with homogeneous system

Published on 13 Apr 2026 - 17:03

score 206 · Answer 8 · 2026-04-13 06:16:41

206

Views

Essential matrix in epipolar geometry

Published on 13 Apr 2026 - 6:16

score 1.1k · Answer 9 · 2026-04-12 23:45:45

1.1k

Views

Is it true: A real block diagonal matrix is diagonalizable if and only if each block is diagonalizable.

Published on 12 Apr 2026 - 23:45

score 104 · Answer 10 · 2026-03-28 20:57:31

104

Views

Finding a digonal matrix such D such that eigenvalues of B equals eigenvalues of A + D

Published on 28 Mar 2026 - 20:57

score 35 · Answer 11 · 2026-04-11 23:44:26

35

Views

Costruct a 2x2 matrix that expresses this transformation

Published on 11 Apr 2026 - 23:44

score 351 · Answer 12 · 2026-03-28 14:19:38

351

Views

$2\times 2$ matrix similar to a matrix of its eigenvalues' real and imaginary parts

Published on 28 Mar 2026 - 14:19

score 2.4k · Answer 13 · 2026-04-14 00:28:52

2.4k

Views

Irreducible factors of characteristic polynomial and minimal polynomial are same?

Published on 14 Apr 2026 - 0:28

score 477 · Answer 14 · 2026-04-14 02:14:33

477

Views

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Published on 14 Apr 2026 - 2:14

score 9.3k · Answer 15 · 2026-04-09 00:25:00

9.3k

Views

If A is similar to B then $A^2$ is similar to $B^2$

Published on 09 Apr 2026 - 0:25

List Question

For the matrix norm in Theorem $2$, prove or disprove: $\|AB\|_{\infty}=\|A\|_{\infty}\|B\|_{\infty}$. What about the special case

Linear Algebra - Subspace test and proving linear independence

how to solve for eigenvectors given closed-form for infinite set of eigenvalues?

Linear Algebra- Subspace proof involving operator

Let $V$ and $W$ be vector spaces on a field $K$.

Do we really need to specify a basis to describe a tuple?

Vector space with homogeneous system

Essential matrix in epipolar geometry

Is it true: A real block diagonal matrix is diagonalizable if and only if each block is diagonalizable.

Finding a digonal matrix such D such that eigenvalues of B equals eigenvalues of A + D

Costruct a 2x2 matrix that expresses this transformation

$2\times 2$ matrix similar to a matrix of its eigenvalues' real and imaginary parts

Irreducible factors of characteristic polynomial and minimal polynomial are same?

Symmetric matrix- matrix transpose times matrix decomposition

If A is similar to B then $A^2$ is similar to $B^2$

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