Question

Why is the spectral norm of a weighting matrix for a Hopfield network less than or equal to $1$?

score 85 · Answer 1 · 2026-04-14 13:07:02

85

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Why is the spectral norm of a weighting matrix for a Hopfield network less than or equal to $1$?

Published on 14 Apr 2026 - 13:07

score 161 · Answer 2 · 2026-04-21 14:41:05

161

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Is union of matrices of different ranks a submanifold?

Published on 21 Apr 2026 - 14:41

score 65 · Answer 3 · 2026-04-12 19:56:59

65

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Determine if a stationary point of a 3 variable scalar field is a saddle point given its hessian matrix

Published on 12 Apr 2026 - 19:56

score 878 · Answer 4 · 2026-04-20 22:28:42

878

Views

The largest eigenvalue of AR(1) matrix

Published on 20 Apr 2026 - 22:28

score 86 · Answer 5 · 2026-04-16 04:04:13

86

Views

why there is the factor $n$ in the RHS of the Cauchy-Schwartz inequality for matrices?

Published on 16 Apr 2026 - 4:04

score 332 · Answer 6 · 2026-04-11 18:52:53

332

Views

What can be said about $A+A^T$ when $A$ has all eigenvalues on imaginary axis and A is not normal?

Published on 11 Apr 2026 - 18:52

score 378 · Answer 7 · 2026-04-12 08:28:45

378

Views

A blockwise Matrix transpose

Published on 12 Apr 2026 - 8:28

score 2.1k · Answer 8 · 2026-04-13 10:23:15

2.1k

Views

Analyze the symmetric property of positive definite matrices

Published on 13 Apr 2026 - 10:23

score 206 · Answer 9 · 2026-04-10 10:32:00

206

Views

Is the diagonalizing matrix for a matrix with non-repeated eigenvalues unique?

Published on 10 Apr 2026 - 10:32

score 60 · Answer 10 · 2026-04-13 23:02:49

60

Views

A alternate approach to an elementary determinant problem

Published on 13 Apr 2026 - 23:02

score 1.4k · Answer 11 · 2026-04-09 20:22:40

1.4k

Views

the connection between matrix and convex cone

Published on 09 Apr 2026 - 20:22

score 120 · Answer 12 · 2026-04-11 05:49:21

120

Views

Understanding some linear algebra for KL derivation

Published on 11 Apr 2026 - 5:49

score 85 · Answer 13 · 2026-04-21 05:57:12

85

Views

The numbers $n$ such that every sum of consecutive positive numbers ending in $n$ is not prime or A138666?

Published on 21 Apr 2026 - 5:57

score 1.7k · Answer 14 · 2026-04-16 06:02:55

1.7k

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Show $A$ has an $LU$ factorization if and only if for each $k$ with $ 1 \leq k \leq m$, the upper left block $A(1:k,1:k)$ is nonsingular.

Published on 16 Apr 2026 - 6:02

score 2.3k · Answer 15 · 2026-04-12 21:45:23

2.3k

Views

LU decomposition of a diagonally dominant matrix

Published on 12 Apr 2026 - 21:45

List Question

Why is the spectral norm of a weighting matrix for a Hopfield network less than or equal to $1$?

Is union of matrices of different ranks a submanifold?

Determine if a stationary point of a 3 variable scalar field is a saddle point given its hessian matrix

The largest eigenvalue of AR(1) matrix

why there is the factor $n$ in the RHS of the Cauchy-Schwartz inequality for matrices?

What can be said about $A+A^T$ when $A$ has all eigenvalues on imaginary axis and A is not normal?

A blockwise Matrix transpose

Analyze the symmetric property of positive definite matrices

Is the diagonalizing matrix for a matrix with non-repeated eigenvalues unique?

A alternate approach to an elementary determinant problem

the connection between matrix and convex cone

Understanding some linear algebra for KL derivation

The numbers $n$ such that every sum of consecutive positive numbers ending in $n$ is not prime or A138666?

Show $A$ has an $LU$ factorization if and only if for each $k$ with $ 1 \leq k \leq m$, the upper left block $A(1:k,1:k)$ is nonsingular.

LU decomposition of a diagonally dominant matrix

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