List questions from normed-spaces

Published on 24 Mar 2026 - 23:46

338

Views

Norm of a matrix and its rank-1 approximation

Published on 25 Mar 2026 - 20:42

36

Views

Between $\ell^p$ and $\ell^\infty$ balls?

Published on 27 Mar 2026 - 14:44

65

Views

Norm $|\!|\!|x|\!|\!|=\sum_{i=1}^{\infty} 2^{-i}|x_i|$ in $l_2$ is not equivalent to the norm $\|\cdot \|_2$

Published on 06 Mar 2019 - 2:17

35

Views

Rewrite an one-layer neural network into infinite-layer equivalent network

Published on 25 Mar 2026 - 9:34

169

Views

Best approximation of an arbitrary matrix by a distance matrix

Published on 26 Mar 2026 - 1:06

64

Views

How to show that the $\sum_{i=1}^{n}|A[i]-x|$ is minimal for $x=m$ with median $m$?

Published on 25 Mar 2026 - 7:45

58

Views

Prove that $\|f\|_{X^*} = \sup_{\|x\| \leq 1} |f(x)|.$

Published on 26 Mar 2026 - 11:05

66

Views

Rephrasing the "if" part of the statement of the Principle of Uniform Boundedness

Published on 27 Mar 2026 - 7:50

45

Views

Equipping finite space with metric

Published on 25 Mar 2026 - 13:54

373

Views

Which metrics reflects similarity of two curved line segments?

Published on 07 Mar 2019 - 1:52

99

Views

Norm equivalence constants

Published on 29 Mar 2026 - 14:55

250

Views

Question about norms and seminorms

Published on 27 Mar 2026 - 14:39

129

Views

Finding an upper bound on composite $C^{1}$ functions

Published on 29 Mar 2026 - 14:57

22

Views

$L_1$ distance between re-normalized points

Published on 29 Mar 2026 - 14:55

List Question

A direct result from the definition of operator norm: $\|Av\|\leq \|A\|_{op} \|v\|$

Norm of a matrix and its rank-1 approximation

Between $\ell^p$ and $\ell^\infty$ balls?

Norm $|\!|\!|x|\!|\!|=\sum_{i=1}^{\infty} 2^{-i}|x_i|$ in $l_2$ is not equivalent to the norm $\|\cdot \|_2$

Rewrite an one-layer neural network into infinite-layer equivalent network

Best approximation of an arbitrary matrix by a distance matrix

How to show that the $\sum_{i=1}^{n}|A[i]-x|$ is minimal for $x=m$ with median $m$?

Prove that $\|f\|_{X^*} = \sup_{\|x\| \leq 1} |f(x)|.$

Rephrasing the "if" part of the statement of the Principle of Uniform Boundedness

Equipping finite space with metric

Which metrics reflects similarity of two curved line segments?

Norm equivalence constants

Question about norms and seminorms

Finding an upper bound on composite $C^{1}$ functions

$L_1$ distance between re-normalized points

Trending Questions

Popular # Hahtags

Popular Questions