Question

Why does $(A- \lambda I)^2 =0$ if A has two repeated eigenvalues?

score 570 · Answer 1 · 2026-03-25 23:15:53

570

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Why does $(A- \lambda I)^2 =0$ if A has two repeated eigenvalues?

Published on 25 Mar 2026 - 23:15

score 184 · Answer 2 · 2019-02-28 15:30:49

184

Views

How to prove there are $n$ independent eigenvectors

Published on 28 Feb 2019 - 15:30

score 112 · Answer 3 · 2026-03-25 22:04:45

112

Views

About the maximum distance between a point on a trajectory of a dynamical system, and its projection onto its linear interpolation

Published on 25 Mar 2026 - 22:04

score 173 · Answer 4 · 2019-03-01 07:02:19

173

Views

Any matrix has eigen value either 0 or 1?

Published on 01 Mar 2019 - 7:02

score 42 · Answer 5 · 2026-03-30 00:24:36

42

Views

What can we say about these matrices in terms of eigenvalues/determinants?

Published on 30 Mar 2026 - 0:24

score 268 · Answer 6 · 2026-03-25 23:38:21

268

Views

Is the transpose of a matrix exponential with itself positive semi-definite under certain conditions

Published on 25 Mar 2026 - 23:38

score 805 · Answer 7 · 2026-03-26 19:08:00

805

Views

Show that $A$ is normal if it commutes with some normal matrix with distinct eigenvalues.

Published on 26 Mar 2026 - 19:08

score 91 · Answer 8 · 2026-03-28 01:06:06

91

Views

Rescale part of a matrix to bound the maximum eigenvalue module

Published on 28 Mar 2026 - 1:06

score 126 · Answer 9 · 2019-03-02 19:15:06

126

Views

What does it mean for a linear transformation to have a plane of eigenvectors?

Published on 02 Mar 2019 - 19:15

score 297 · Answer 10 · 2019-03-03 01:09:22

297

Views

The space where the kernel of a real square matrix is defined

Published on 03 Mar 2019 - 1:09

score 50 · Answer 11 · 2026-03-27 02:03:13

50

Views

Looking for properties of, or formulae for eigenvalues of a symmetric matrix reminiscent of Toeplitz matrices

Published on 27 Mar 2026 - 2:03

score 183 · Answer 12 · 2026-03-29 13:46:59

183

Views

Eigenvectors reversed question

Published on 29 Mar 2026 - 13:46

score 794 · Answer 13 · 2026-03-25 11:54:19

794

Views

Can we approximate any eigenvalue of an infinite matrix via eigenvalues of some sequence of submatrices which approximates the matrix?

Published on 25 Mar 2026 - 11:54

score 67 · Answer 14 · 2019-03-04 10:14:33

67

Views

solution to a second order matrix equation

Published on 04 Mar 2019 - 10:14

score 47 · Answer 15 · 2019-03-04 14:19:45

47

Views

Projected eigenvalue problem: how do eigenvectors change when subspace is slightly changed?

Published on 04 Mar 2019 - 14:19

List Question

Why does $(A- \lambda I)^2 =0$ if A has two repeated eigenvalues?

How to prove there are $n$ independent eigenvectors

About the maximum distance between a point on a trajectory of a dynamical system, and its projection onto its linear interpolation

Any matrix has eigen value either 0 or 1?

What can we say about these matrices in terms of eigenvalues/determinants?

Is the transpose of a matrix exponential with itself positive semi-definite under certain conditions

Show that $A$ is normal if it commutes with some normal matrix with distinct eigenvalues.

Rescale part of a matrix to bound the maximum eigenvalue module

What does it mean for a linear transformation to have a plane of eigenvectors?

The space where the kernel of a real square matrix is defined

Looking for properties of, or formulae for eigenvalues of a symmetric matrix reminiscent of Toeplitz matrices

Eigenvectors reversed question

Can we approximate any eigenvalue of an infinite matrix via eigenvalues of some sequence of submatrices which approximates the matrix?

solution to a second order matrix equation

Projected eigenvalue problem: how do eigenvectors change when subspace is slightly changed?

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