Question

How do I show that this square matrix has this relationship?

score 91 · Answer 1 · 2026-04-10 18:45:49

91

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How do I show that this square matrix has this relationship?

Published on 10 Apr 2026 - 18:45

score 13.3k · Answer 2 · 2026-03-25 06:03:45

13.3k

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Why is the nullity of an invertible matrix 0?

Published on 25 Mar 2026 - 6:03

score 91 · Answer 3 · 2026-03-29 11:44:23

91

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Example of a matrix $A$ which has all eigenvalues positive, but is not a general positive definite matrix.

Published on 29 Mar 2026 - 11:44

score 49 · Answer 4 · 2026-04-10 22:47:39

49

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A problem in matrices

Published on 10 Apr 2026 - 22:47

score 44 · Answer 5 · 2018-04-30 17:30:10

44

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Find a matrix $N$ s.t. $N^2=H$

Published on 30 Apr 2018 - 17:30

score 171 · Answer 6 · 2026-03-29 11:43:37

171

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what is the shortest path to solve a matrix with unknown elements and an eigenvector?

Published on 29 Mar 2026 - 11:43

score 1.2k · Answer 7 · 2026-03-25 10:54:22

1.2k

Views

How many Jordan form for given characteristic and minimal polynomials?

Published on 25 Mar 2026 - 10:54

score 148 · Answer 8 · 2026-04-12 00:08:19

148

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Given linear mapping and bases, determine the transformation matrix and the change of basis

Published on 12 Apr 2026 - 0:08

score 268 · Answer 9 · 2026-03-24 22:01:42

268

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Let $R$ be the $2 \times 2$ “reflection” matrix which reflects points about the line $y = x$

Published on 24 Mar 2026 - 22:01

score 646 · Answer 10 · 2018-05-01 01:14:31

646

Views

What is the dimension of the orthogonal complement?

Published on 01 May 2018 - 1:14

score 218 · Answer 11 · 2026-04-09 05:47:32

218

Views

Understanding Constraint Matrix in Example Problem

Published on 09 Apr 2026 - 5:47

score 63 · Answer 12 · 2026-04-11 22:33:31

63

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Family of $A^2=I$

Published on 11 Apr 2026 - 22:33

score 1.1k · Answer 13 · 2026-04-08 10:49:12

1.1k

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Do you know if eigenvectors of idempotent matrices are always orthonormal?

Published on 08 Apr 2026 - 10:49

score 35 · Answer 14 · 2018-05-01 10:39:58

35

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Find unitary matrix $Q$ such that $U=Q*V$ with $U$ given and first column of $V$ given

Published on 01 May 2018 - 10:39

score 40 · Answer 15 · 2026-04-10 00:14:04

40

Views

Calculating the matrix without using the inversion

Published on 10 Apr 2026 - 0:14

List Question

How do I show that this square matrix has this relationship?

Why is the nullity of an invertible matrix 0?

Example of a matrix $A$ which has all eigenvalues positive, but is not a general positive definite matrix.

A problem in matrices

Find a matrix $N$ s.t. $N^2=H$

what is the shortest path to solve a matrix with unknown elements and an eigenvector?

How many Jordan form for given characteristic and minimal polynomials?

Given linear mapping and bases, determine the transformation matrix and the change of basis

Let $R$ be the $2 \times 2$ “reflection” matrix which reflects points about the line $y = x$

What is the dimension of the orthogonal complement?

Understanding Constraint Matrix in Example Problem

Family of $A^2=I$

Do you know if eigenvectors of idempotent matrices are always orthonormal?

Find unitary matrix $Q$ such that $U=Q*V$ with $U$ given and first column of $V$ given

Calculating the matrix without using the inversion

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