Question

Is there a way to know if a row reduction of a matrix has been done correctly?

score 1.7k · Answer 1 · 2026-04-12 19:33:23

1.7k

Views

Is there a way to know if a row reduction of a matrix has been done correctly?

Published on 12 Apr 2026 - 19:33

score 338 · Answer 2 · 2026-04-15 18:08:12

338

Views

Unitary and Hermitian matrices

Published on 15 Apr 2026 - 18:08

score 25 · Answer 3 · 2026-04-14 05:04:03

25

Views

Couples of mutually backwards-similarities, what properties do they have and are they useful?

Published on 14 Apr 2026 - 5:04

score 48 · Answer 4 · 2026-04-14 00:54:54

48

Views

How do I find a matrix $S$ such that $S^\top A \, S$ is a diagonal matrix with entries $0,-1,1$?

Published on 14 Apr 2026 - 0:54

score 901 · Answer 5 · 2026-04-13 04:42:45

901

Views

Determinant of matrix that contains a column of same numbers

Published on 13 Apr 2026 - 4:42

score 187 · Answer 6 · 2026-04-14 08:24:49

187

Views

Decomposition of Determinant of Sub-Matrices of a Matrix

Published on 14 Apr 2026 - 8:24

score 72 · Answer 7 · 2026-04-10 17:38:28

72

Views

Does a linear differential equation of a matrix variable have a closed form solution?

Published on 10 Apr 2026 - 17:38

score 1k · Answer 8 · 2026-04-15 20:30:26

1k

Views

For $A\in\mathbb{R}^{n\times n}$ and $B\in\mathbb{R}^{n\times k}$, does $(I_{n}-aA)^{-1}Bb$ determine $a\in\mathbb{R}$ and $b\in\mathbb{R}^k$?

Published on 15 Apr 2026 - 20:30

score 1.6k · Answer 9 · 2026-04-08 07:39:35

1.6k

Views

Frobenius Norm of Hadamard Product and Trace

Published on 08 Apr 2026 - 7:39

score 180 · Answer 10 · 2026-04-10 17:54:59

180

Views

Is $\sqrt{A}B\sqrt{A}$ operator concave with respect to $A$?

Published on 10 Apr 2026 - 17:54

score 2.3k · Answer 11 · 2026-04-14 03:14:04

2.3k

Views

When is AXB equal to BXA in the case of square matrices?

Published on 14 Apr 2026 - 3:14

score 82 · Answer 12 · 2026-04-15 06:57:33

82

Views

Matrix diagonalization under a constraint

Published on 15 Apr 2026 - 6:57

score 929 · Answer 13 · 2026-03-25 01:18:48

929

Views

Is the positive semidefinite cone still self-dual in the larger vector space of all real $n \times n$ matrices?

Published on 25 Mar 2026 - 1:18

score 94 · Answer 14 · 2026-04-15 23:57:02

94

Views

Matrices: knowing that $M^3=N^3$ and that $MN^2=NM^2$, how to prove $M^2+N^2$ is non-invertible?

Published on 15 Apr 2026 - 23:57

score 133 · Answer 15 · 2026-04-15 14:30:34

133

Views

Matrices: $A^7=I$ and $ABA^{-1}=B^2$, show that $B^k=I$ for some $k>0$.

Published on 15 Apr 2026 - 14:30

List Question

Is there a way to know if a row reduction of a matrix has been done correctly?

Unitary and Hermitian matrices

Couples of mutually backwards-similarities, what properties do they have and are they useful?

How do I find a matrix $S$ such that $S^\top A \, S$ is a diagonal matrix with entries $0,-1,1$?

Determinant of matrix that contains a column of same numbers

Decomposition of Determinant of Sub-Matrices of a Matrix

Does a linear differential equation of a matrix variable have a closed form solution?

For $A\in\mathbb{R}^{n\times n}$ and $B\in\mathbb{R}^{n\times k}$, does $(I_{n}-aA)^{-1}Bb$ determine $a\in\mathbb{R}$ and $b\in\mathbb{R}^k$?

Frobenius Norm of Hadamard Product and Trace

Is $\sqrt{A}B\sqrt{A}$ operator concave with respect to $A$?

When is AXB equal to BXA in the case of square matrices?

Matrix diagonalization under a constraint

Is the positive semidefinite cone still self-dual in the larger vector space of all real $n \times n$ matrices?

Matrices: knowing that $M^3=N^3$ and that $MN^2=NM^2$, how to prove $M^2+N^2$ is non-invertible?

Matrices: $A^7=I$ and $ABA^{-1}=B^2$, show that $B^k=I$ for some $k>0$.

Trending Questions

Popular # Hahtags

Popular Questions