Question

Why did no student correctly find a pair of $2\times 2$ matrices with the same determinant and trace that are not similar?

score 20.8k · Answer 1 · 2017-04-10 01:37:00

20.8k

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Why did no student correctly find a pair of $2\times 2$ matrices with the same determinant and trace that are not similar?

Published on 10 Apr 2017 - 1:37

score 1.4k · Answer 2 · 2017-06-14 06:14:56

1.4k

Views

Solving the matrix equation $AP=PB$, where $A$ and $B$ are similar

Published on 14 Jun 2017 - 6:14

score 53 · Answer 3 · 2017-08-05 16:58:01

53

Views

Question about similar matrices: if A is similar to B then what also must be similar?

Published on 05 Aug 2017 - 16:58

score 609 · Answer 4 · 2017-08-10 07:59:58

609

Views

Given that matrix $A$ is similar to matrix $B$, how do we find the matrix $M$?

Published on 10 Aug 2017 - 7:59

score 325 · Answer 5 · 2017-11-17 16:16:06

325

Views

Equal traces and similar matrix

Published on 17 Nov 2017 - 16:16

score 4.7k · Answer 6 · 2018-01-03 21:45:25

4.7k

Views

Which matrices are similar to themselves only?

Published on 03 Jan 2018 - 21:45

score 112.7k · Answer 7 · 2010-12-12 20:08:55

112.7k

Views

How do I tell if matrices are similar?

Published on 12 Dec 2010 - 20:08

score 1.7k · Answer 8 · 2010-12-14 11:26:04

1.7k

Views

What are norms of sub-matrices invariant under a block diagonal similarity transformation of a block matrix?

Published on 14 Dec 2010 - 11:26

score 704 · Answer 9 · 2011-06-29 07:20:50

704

Views

Quick way of showing an $n\times n$ Jordan block associated to $1$ is similar to the companion matrix of $(x-1)^n$

Published on 29 Jun 2011 - 7:20

score 46.7k · Answer 10 · 2026-03-24 23:01:09

46.7k

Views

Elegant proofs that similar matrices have the same characteristic polynomial?

Published on 24 Mar 2026 - 23:01

score 1.9k · Answer 11 · 2012-04-11 15:47:14

1.9k

Views

On Permutation-Similarity and Block Diagonals

Published on 11 Apr 2012 - 15:47

score 1.7k · Answer 12 · 2026-03-25 06:05:56

1.7k

Views

When is a matrix similar to the companion matrix of its characteristic polynomial?

Published on 25 Mar 2026 - 6:05

score 295 · Answer 13 · 2020-08-07 06:50:27

295

Views

Matrix similar to its negative

Published on 07 Aug 2020 - 6:50

score 26 · Answer 14 · 2020-08-14 02:39:09

26

Views

Invariance of Diagonally Dominance Property

Published on 14 Aug 2020 - 2:39

score 48 · Answer 15 · 2020-08-16 15:46:54

48

Views

Show that those matrices are similar

Published on 16 Aug 2020 - 15:46

List Question

Why did no student correctly find a pair of $2\times 2$ matrices with the same determinant and trace that are not similar?

Solving the matrix equation $AP=PB$, where $A$ and $B$ are similar

Question about similar matrices: if A is similar to B then what also must be similar?

Given that matrix $A$ is similar to matrix $B$, how do we find the matrix $M$?

Equal traces and similar matrix

Which matrices are similar to themselves only?

How do I tell if matrices are similar?

What are norms of sub-matrices invariant under a block diagonal similarity transformation of a block matrix?

Quick way of showing an $n\times n$ Jordan block associated to $1$ is similar to the companion matrix of $(x-1)^n$

Elegant proofs that similar matrices have the same characteristic polynomial?

On Permutation-Similarity and Block Diagonals

When is a matrix similar to the companion matrix of its characteristic polynomial?

Matrix similar to its negative

Invariance of Diagonally Dominance Property

Show that those matrices are similar

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