Question

Let $A\in M_{m\times n}(\mathbb{R})$ be of rank $m$. Choose the correct statement(s) from below:

score 61 · Answer 1 · 2026-04-15 03:30:58

61

Views

Let $A\in M_{m\times n}(\mathbb{R})$ be of rank $m$. Choose the correct statement(s) from below:

Published on 15 Apr 2026 - 3:30

score 219 · Answer 2 · 2026-04-17 11:07:59

219

Views

Find the matrix X such that $A\cdot X = X\cdot A^T$

Published on 17 Apr 2026 - 11:07

score 92 · Answer 3 · 2026-04-16 08:22:27

92

Views

If $AB$ invertible $\implies$ $A,B$ invertible, Given that $A,B\in M_{n\times n}(F)$

Published on 16 Apr 2026 - 8:22

score 100 · Answer 4 · 2026-04-14 09:01:34

100

Views

Unimodular symmetric integral matrices with diagonal 0 and no $\pm 1$ entries

Published on 14 Apr 2026 - 9:01

score 84 · Answer 5 · 2026-04-14 17:03:21

84

Views

Checking inequality

Published on 14 Apr 2026 - 17:03

score 48 · Answer 6 · 2026-04-14 06:09:10

48

Views

Nonnegative irreducible matrices, Perron eigenvector and Dietzenbacher's theorem

Published on 14 Apr 2026 - 6:09

score 440 · Answer 7 · 2026-04-13 22:33:31

440

Views

Formula for converting a linear index to its mirrored counterpart on the other side of the diagonal in a symmetric matrix

Published on 13 Apr 2026 - 22:33

score 200 · Answer 8 · 2026-04-11 19:28:26

200

Views

Finding matrices which P is null space

Published on 11 Apr 2026 - 19:28

score 1.1k · Answer 9 · 2026-04-29 12:26:35

1.1k

Views

Factorization of matrices over GF$(2)$

Published on 29 Apr 2026 - 12:26

score 646 · Answer 10 · 2026-04-17 13:32:20

646

Views

Matrices that have the same fundamental subspace

Published on 17 Apr 2026 - 13:32

score 42 · Answer 11 · 2026-04-14 13:50:02

42

Views

Is this matrices exist, with this propertie

Published on 14 Apr 2026 - 13:50

score 1.8k · Answer 12 · 2026-04-15 20:26:21

1.8k

Views

Inverse matrix and multiplication by a scalar

Published on 15 Apr 2026 - 20:26

score 234 · Answer 13 · 2026-04-09 16:22:27

234

Views

Geometric intuition behind an n-dimensional rotation matrix

Published on 09 Apr 2026 - 16:22

score 128 · Answer 14 · 2026-04-14 06:11:05

128

Views

Differentiation of matrix with respect to vector

Published on 14 Apr 2026 - 6:11

score 77 · Answer 15 · 2026-04-11 11:59:24

77

Views

Existence of subspace which is totally non-invariant under unitary transformation.

Published on 11 Apr 2026 - 11:59

List Question

Let $A\in M_{m\times n}(\mathbb{R})$ be of rank $m$. Choose the correct statement(s) from below:

Find the matrix X such that $A\cdot X = X\cdot A^T$

If $AB$ invertible $\implies$ $A,B$ invertible, Given that $A,B\in M_{n\times n}(F)$

Unimodular symmetric integral matrices with diagonal 0 and no $\pm 1$ entries

Checking inequality

Nonnegative irreducible matrices, Perron eigenvector and Dietzenbacher's theorem

Formula for converting a linear index to its mirrored counterpart on the other side of the diagonal in a symmetric matrix

Finding matrices which P is null space

Factorization of matrices over GF$(2)$

Matrices that have the same fundamental subspace

Is this matrices exist, with this propertie

Inverse matrix and multiplication by a scalar

Geometric intuition behind an n-dimensional rotation matrix

Differentiation of matrix with respect to vector

Existence of subspace which is totally non-invariant under unitary transformation.

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