Question

A closed form relation to compute the spectral norm of a 2x2 real matrix

score 255 · Answer 1 · 2022-01-15 18:33:39

255

Views

A closed form relation to compute the spectral norm of a 2x2 real matrix

Published on 15 Jan 2022 - 18:33

score 398 · Answer 2 · 2022-01-17 22:47:30

398

Views

Upper Bound for the Induced 2-Norm $\|(A+B)^{-1}A\|$

Published on 17 Jan 2022 - 22:47

score 231 · Answer 3 · 2022-01-28 18:47:42

231

Views

Is there a relation between the mutual coherence and largest eigenvalue?

Published on 28 Jan 2022 - 18:47

score 116 · Answer 4 · 2022-02-03 11:02:44

116

Views

Why is the numerical radius at least half the norm?

Published on 03 Feb 2022 - 11:02

score 151 · Answer 5 · 2022-02-16 23:16:52

151

Views

Inequality on spectral norm of sum of tensor products

Published on 16 Feb 2022 - 23:16

score 221 · Answer 6 · 2022-02-24 11:29:52

221

Views

On the minimization of the spectral norm

Published on 24 Feb 2022 - 11:29

score 159 · Answer 7 · 2022-03-14 18:46:14

159

Views

Given any symmetric matrix $A$, how to find a diagonal matrix $B$ such that $B \succeq A$?

Published on 14 Mar 2022 - 18:46

score 207 · Answer 8 · 2022-04-01 05:04:01

207

Views

Spectral norm of a random matrix whose entries are product of two standard gaussians

Published on 01 Apr 2022 - 5:04

score 43 · Answer 9 · 2022-04-05 06:41:44

43

Views

Sufficient condition for $\langle Ax, Ay\rangle\leq \lambda^2_{max}\langle x, y\rangle$

Published on 05 Apr 2022 - 6:41

score 106 · Answer 10 · 2022-04-12 10:43:45

106

Views

Spectral radius of a specific matrix multiplied by a diagonal matrix $D=diag(\mathrm{e}^{i\alpha_1},...\mathrm{e}^{i\alpha_n})$

Published on 12 Apr 2022 - 10:43

score 109 · Answer 11 · 2022-06-16 07:58:48

109

Views

how can I prove ${\lambda _n}\left( {{X^T}AX} \right) \leqslant \left\| X \right\|_F^2{\lambda _n}\left( A \right)$ where $A$ is a PD matrix

Published on 16 Jun 2022 - 7:58

score 63 · Answer 12 · 2026-02-24 15:22:18

63

Views

Inequality in Conjugate gradient method for solving linear system

Published on 24 Feb 2026 - 15:22

score 43 · Answer 13 · 2022-07-30 12:44:52

43

Views

How to find the eigenvalues of a matrix with largest complex component?

Published on 30 Jul 2022 - 12:44

score 60 · Answer 14 · 2026-02-23 07:17:05

60

Views

Prove a linear oparator is surjective

Published on 23 Feb 2026 - 7:17

score 120 · Answer 15 · 2022-08-18 20:11:33

120

Views

How to prove ${\lambda _n}\left( {{X^T}AX} \right) \le {\lambda _n}\left( A \right){\rho ^2}\left( X \right)$?

Published on 18 Aug 2022 - 20:11

List Question

A closed form relation to compute the spectral norm of a 2x2 real matrix

Upper Bound for the Induced 2-Norm $\|(A+B)^{-1}A\|$

Is there a relation between the mutual coherence and largest eigenvalue?

Why is the numerical radius at least half the norm?

Inequality on spectral norm of sum of tensor products

On the minimization of the spectral norm

Given any symmetric matrix $A$, how to find a diagonal matrix $B$ such that $B \succeq A$?

Spectral norm of a random matrix whose entries are product of two standard gaussians

Sufficient condition for $\langle Ax, Ay\rangle\leq \lambda^2_{max}\langle x, y\rangle$

Spectral radius of a specific matrix multiplied by a diagonal matrix $D=diag(\mathrm{e}^{i\alpha_1},...\mathrm{e}^{i\alpha_n})$

how can I prove ${\lambda _n}\left( {{X^T}AX} \right) \leqslant \left\| X \right\|_F^2{\lambda _n}\left( A \right)$ where $A$ is a PD matrix

Inequality in Conjugate gradient method for solving linear system

How to find the eigenvalues of a matrix with largest complex component?

Prove a linear oparator is surjective

How to prove ${\lambda _n}\left( {{X^T}AX} \right) \le {\lambda _n}\left( A \right){\rho ^2}\left( X \right)$?

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