Question

Determine if a matrix can be be given a block diagonal form using rows and columns permutations

score 5.1k · Answer 1 · 2026-03-25 07:42:10

5.1k

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Determine if a matrix can be be given a block diagonal form using rows and columns permutations

Published on 25 Mar 2026 - 7:42

score 674 · Answer 2 · 2026-03-25 20:11:57

674

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Prove that there exists number $k\in \mathbb{N}$ such that $ V = \operatorname{Ker}A^{k} \dot{+} \operatorname{Im}A^{k}$

Published on 25 Mar 2026 - 20:11

score 321 · Answer 3 · 2018-12-03 18:44:53

321

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Diagonalize $f(A)= \begin{pmatrix} 1 & 0 \\ -1 & 3 \end{pmatrix} A $

Published on 03 Dec 2018 - 18:44

score 231 · Answer 4 · 2018-12-05 18:21:38

231

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Spectral theorem over $\mathbb {R}$

Published on 05 Dec 2018 - 18:21

score 3.9k · Answer 5 · 2018-12-05 21:17:50

3.9k

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If $A$ is invertible and $A^n$ is diagonalizable, then $A$ is diagonalizable.

Published on 05 Dec 2018 - 21:17

score 758 · Answer 6 · 2018-12-06 00:44:16

758

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Invertible linear operator with diagonalizable power is diagonalizable

Published on 06 Dec 2018 - 0:44

score 74 · Answer 7 · 2018-12-07 01:15:00

74

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A conceptual Question on Diagonalization of Matrix

Published on 07 Dec 2018 - 1:15

score 74 · Answer 8 · 2018-12-07 05:23:08

74

Views

Help me with this linear algebra problem, please.

Published on 07 Dec 2018 - 5:23

score 114 · Answer 9 · 2018-12-08 06:35:46

114

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From rational form of matrix can we deduce diagonalisiblity of matrix?

Published on 08 Dec 2018 - 6:35

score 70 · Answer 10 · 2018-12-09 12:09:23

70

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Determine the values for a for which the matrix is diagonizable.

Published on 09 Dec 2018 - 12:09

score 350 · Answer 11 · 2018-12-09 18:16:24

350

Views

Skew-symmetric non-diagonalizable matrix

Published on 09 Dec 2018 - 18:16

score 63 · Answer 12 · 2018-12-10 16:52:36

63

Views

When is this matrix diagonalizable?

Published on 10 Dec 2018 - 16:52

score 733 · Answer 13 · 2018-12-11 06:46:58

733

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Basis of a transformation matrix for diagonal matrix

Published on 11 Dec 2018 - 6:46

score 224 · Answer 14 · 2018-12-12 03:45:33

224

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Does a $2\times2$ matrix B exist such that B is diagonalizable but B is not invertible?

Published on 12 Dec 2018 - 3:45

score 350 · Answer 15 · 2018-12-12 04:30:20

350

Views

Weakly Diagonally Dominant with Positive Diagonals

Published on 12 Dec 2018 - 4:30

List Question

Determine if a matrix can be be given a block diagonal form using rows and columns permutations

Prove that there exists number $k\in \mathbb{N}$ such that $ V = \operatorname{Ker}A^{k} \dot{+} \operatorname{Im}A^{k}$

Diagonalize $f(A)= \begin{pmatrix} 1 & 0 \\ -1 & 3 \end{pmatrix} A $

Spectral theorem over $\mathbb {R}$

If $A$ is invertible and $A^n$ is diagonalizable, then $A$ is diagonalizable.

Invertible linear operator with diagonalizable power is diagonalizable

A conceptual Question on Diagonalization of Matrix

Help me with this linear algebra problem, please.

From rational form of matrix can we deduce diagonalisiblity of matrix?

Determine the values for a for which the matrix is diagonizable.

Skew-symmetric non-diagonalizable matrix

When is this matrix diagonalizable?

Basis of a transformation matrix for diagonal matrix

Does a $2\times2$ matrix B exist such that B is diagonalizable but B is not invertible?

Weakly Diagonally Dominant with Positive Diagonals

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