Question

Collinearity of points in 3-space

score 102 · Answer 1 · 2026-04-13 06:39:48

102

Views

Collinearity of points in 3-space

Published on 13 Apr 2026 - 6:39

score 33 · Answer 2 · 2026-04-14 00:31:31

33

Views

Understanding $a$ and $b$ variables in curve functions

Published on 14 Apr 2026 - 0:31

score 157 · Answer 3 · 2026-04-17 04:31:58

Efficiently compute matrix vector product $\mathbf{A} \mathbf{b}$ given product $\mathbf{A} \mathbf{c}$ with same matrix but different vector

score 927 · Answer 4 · 2026-04-13 16:12:52

927

Views

What is the relation between the eigenvectors?

Published on 13 Apr 2026 - 16:12

score 9.5k · Answer 5 · 2026-04-29 12:53:11

9.5k

Views

Proving or disproving product of two stochastic matrices is stochastic

Published on 29 Apr 2026 - 12:53

score 174 · Answer 6 · 2026-04-09 03:31:36

174

Views

How to generate a totally positive matrix randomly using software like Maple?

Published on 09 Apr 2026 - 3:31

score 98 · Answer 7 · 2026-04-08 17:24:45

98

Views

Please prove the statement in description given in section 3 of Quantum Mechanics (Landau & Lifshitz).

Published on 08 Apr 2026 - 17:24

score 302 · Answer 8 · 2026-04-12 09:42:05

302

Views

How to find $R_{ll}$ of the orthogonal matrix R?

Published on 12 Apr 2026 - 9:42

score 39 · Answer 9 · 2026-04-14 16:48:53

39

Views

Affine Subspaces $\mathbf{a} + V = \{ \mathbf{a} + \mathbf{w} : \mathbf{w} \in V\}$: Adding/Subtracting Non-Set Objects (Vector Elements) from Sets?

Published on 14 Apr 2026 - 16:48

score 45 · Answer 10 · 2026-04-13 23:01:46

45

Views

How to rearrange to get from the first line to the next?

Published on 13 Apr 2026 - 23:01

score 1.5k · Answer 11 · 2026-04-29 12:26:16

1.5k

Views

Finding steady-state vector for stochastic matrix P

Published on 29 Apr 2026 - 12:26

score 70 · Answer 12 · 2026-04-11 13:19:15

70

Views

Existence of a positive definite matrix which satisfies an equation

Published on 11 Apr 2026 - 13:19

score 58 · Answer 13 · 2026-04-17 14:35:14

58

Views

Prove that $|||A||| \leq |||I|||$ for every doubly stochastic matrix $A \in M_n$

Published on 17 Apr 2026 - 14:35

score 41 · Answer 14 · 2026-04-16 22:43:11

41

Views

E a vector space and $T \in L(E), T(e_i)=e_{i+1}, T(e_n)=0$, $\exists S \in L(E) ; S^k=T$?

Published on 16 Apr 2026 - 22:43

score 115 · Answer 15 · 2026-04-12 23:49:22

115

Views

Is the sum $C+\mathbb{R}^n_-$ of a closed cone $C$ and the nonpositive orthant $\mathbb{R}^n_-$ closed?

Published on 12 Apr 2026 - 23:49

List Question

Collinearity of points in 3-space

Understanding $a$ and $b$ variables in curve functions

Efficiently compute matrix vector product $\mathbf{A} \mathbf{b}$ given product $\mathbf{A} \mathbf{c}$ with same matrix but different vector

What is the relation between the eigenvectors?

Proving or disproving product of two stochastic matrices is stochastic

How to generate a totally positive matrix randomly using software like Maple?

Please prove the statement in description given in section 3 of Quantum Mechanics (Landau & Lifshitz).

How to find $R_{ll}$ of the orthogonal matrix R?

Affine Subspaces $\mathbf{a} + V = \{ \mathbf{a} + \mathbf{w} : \mathbf{w} \in V\}$: Adding/Subtracting Non-Set Objects (Vector Elements) from Sets?

How to rearrange to get from the first line to the next?

Finding steady-state vector for stochastic matrix P

Existence of a positive definite matrix which satisfies an equation

Prove that $|||A||| \leq |||I|||$ for every doubly stochastic matrix $A \in M_n$

E a vector space and $T \in L(E), T(e_i)=e_{i+1}, T(e_n)=0$, $\exists S \in L(E) ; S^k=T$?

Is the sum $C+\mathbb{R}^n_-$ of a closed cone $C$ and the nonpositive orthant $\mathbb{R}^n_-$ closed?

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