Question

Move larger values close to matrix diagonal in a dense matrix

score 44 · Answer 1 · 2026-04-11 16:40:13

44

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Move larger values close to matrix diagonal in a dense matrix

Published on 11 Apr 2026 - 16:40

score 256 · Answer 2 · 2026-03-25 09:43:07

256

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Can one know the rank of a matrix product given the rank of one of them?

Published on 25 Mar 2026 - 9:43

score 279 · Answer 3 · 2026-04-12 19:42:23

279

Views

Representing antisymmetric matrix in block diagonal form?

Published on 12 Apr 2026 - 19:42

score 783 · Answer 4 · 2018-05-14 05:50:18

783

Views

find nonsingular matrices $B$ and $C$ that satisfy $BC+ CB= 0$

Published on 14 May 2018 - 5:50

score 46 · Answer 5 · 2018-05-14 06:15:22

If $A=\left[ {\begin{array}{cc}2&1\\-4&-2\\\end{array}}\right]$ and $I$ is a $2\times 2$identity matrix Find the value of $I+2A+3A^2+....$

score 78 · Answer 6 · 2026-04-09 03:10:59

78

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Is $\text{SL}(2,\mathbb{R}) \to \mathbb{R}^2 \setminus \{0\},\; A \mapsto Ae_1$ a closed map?

Published on 09 Apr 2026 - 3:10

score 41 · Answer 7 · 2018-05-14 06:39:52

41

Views

Does $span(A^T)$ equals $span(A^T*A)$

Published on 14 May 2018 - 6:39

score 174 · Answer 8 · 2026-04-10 20:09:16

174

Views

Identifying group structure of matrix group

Published on 10 Apr 2026 - 20:09

score 444 · Answer 9 · 2018-05-14 09:12:46

444

Views

matrices $A$ and $B$ such that $AB = -BA$?

Published on 14 May 2018 - 9:12

score 958 · Answer 10 · 2026-04-13 09:00:07

958

Views

Anti symmetric matrix and rotations

Published on 13 Apr 2026 - 9:00

score 322 · Answer 11 · 2026-04-09 14:21:01

322

Views

Direct sum of the column and nullspace of A

Published on 09 Apr 2026 - 14:21

score 979 · Answer 12 · 2026-04-12 00:39:52

979

Views

Elementwise maximum of two positive definite matrices

Published on 12 Apr 2026 - 0:39

score 213 · Answer 13 · 2018-05-14 11:30:57

Is this statement true-$A^T=\left[ {\begin{array}{cc}P&Q\\R&S\\\end{array}}\right]^T=\left[ {\begin{array}{cc}P^T&Q^T\\R^T&S^T\\\end{array}}\right]$

score 153 · Answer 14 · 2026-03-25 09:43:45

153

Views

Finding Bases of Kernel and Image of $T:M_{2,2} \rightarrow M_{2,2}$.

Published on 25 Mar 2026 - 9:43

score 276 · Answer 15 · 2026-04-09 03:39:21

276

Views

How to find the cyclic vectors when finding the Rational form of a given matrix?

Published on 09 Apr 2026 - 3:39

List Question

Move larger values close to matrix diagonal in a dense matrix

Can one know the rank of a matrix product given the rank of one of them?

Representing antisymmetric matrix in block diagonal form?

find nonsingular matrices $B$ and $C$ that satisfy $BC+ CB= 0$

If $A=\left[ {\begin{array}{cc}2&1\\-4&-2\\\end{array}}\right]$ and $I$ is a $2\times 2$identity matrix Find the value of $I+2A+3A^2+....$

Is $\text{SL}(2,\mathbb{R}) \to \mathbb{R}^2 \setminus \{0\},\; A \mapsto Ae_1$ a closed map?

Does $span(A^T)$ equals $span(A^T*A)$

Identifying group structure of matrix group

matrices $A$ and $B$ such that $AB = -BA$?

Anti symmetric matrix and rotations

Direct sum of the column and nullspace of A

Elementwise maximum of two positive definite matrices

Is this statement true-$A^T=\left[ {\begin{array}{cc}P&Q\\R&S\\\end{array}}\right]^T=\left[ {\begin{array}{cc}P^T&Q^T\\R^T&S^T\\\end{array}}\right]$

Finding Bases of Kernel and Image of $T:M_{2,2} \rightarrow M_{2,2}$.

How to find the cyclic vectors when finding the Rational form of a given matrix?

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