Question

Why aren't these eigenvectors orthogonal?

score 81 · Answer 1 · 2018-11-19 16:52:16

81

Views

Why aren't these eigenvectors orthogonal?

Published on 19 Nov 2018 - 16:52

score 763 · Answer 2 · 2026-03-25 09:23:24

763

Views

If there a relationship between a submatrix's eigenvalues and the matrix's eigenvalues.

Published on 25 Mar 2026 - 9:23

score 53 · Answer 3 · 2026-03-26 07:55:34

53

Views

$A^n$ formula not working; checked arithmetic

Published on 26 Mar 2026 - 7:55

score 1.3k · Answer 4 · 2026-03-25 09:22:58

1.3k

Views

Eigenvectors in a block diagonal matrix

Published on 25 Mar 2026 - 9:22

score 1k · Answer 5 · 2018-11-20 00:52:44

1k

Views

Suppose A is a square matrix and v is an eigenvector of A with associated eigenvalue 23. If x is a real number, compute A(xv) in terms of x and v.

Published on 20 Nov 2018 - 0:52

score 152 · Answer 6 · 2018-11-20 05:55:15

152

Views

Find the maximum value of the function $G(u)=\cfrac{u^TA u}{u^Tu}$ over $R^3$\ {0}

Published on 20 Nov 2018 - 5:55

score 410 · Answer 7 · 2026-03-26 04:29:29

410

Views

What exactly is a unique subspace?

Published on 26 Mar 2026 - 4:29

score 1.8k · Answer 8 · 2018-11-20 22:11:11

1.8k

Views

Proof: If $\lambda$ is an eigenvalue of $A$ and $x$ is a corresponding eigenvector, then $sAx=s\lambda x$ for every scalar $s$.

Published on 20 Nov 2018 - 22:11

score 615 · Answer 9 · 2026-03-26 06:21:35

615

Views

Proving that a matrix is symmetric if it can be expressed as a spectral decomposition

Published on 26 Mar 2026 - 6:21

score 659 · Answer 10 · 2026-03-26 04:30:57

659

Views

Rank = # of non-zero eigenvalues of a diagonalizable matrix

Published on 26 Mar 2026 - 4:30

score 82 · Answer 11 · 2026-03-28 20:09:40

82

Views

What's the meaning of characteristic in "characteristic polynomial"?

Published on 28 Mar 2026 - 20:09

score 37 · Answer 12 · 2018-11-21 17:18:45

37

Views

Show that K>0 is an eigenvalue by finding an Eigenvecter corresponding to k

Published on 21 Nov 2018 - 17:18

score 45 · Answer 13 · 2018-11-22 04:20:46

45

Views

Eigenspaces of an orthogonal projection

Published on 22 Nov 2018 - 4:20

score 434 · Answer 14 · 2018-11-22 09:13:10

434

Views

Modulus of eigenvalues for overlap matrix

Published on 22 Nov 2018 - 9:13

score 816 · Answer 15 · 2026-03-25 02:57:15

816

Views

Eigenvalue problem - Right hand matrix is singular

Published on 25 Mar 2026 - 2:57

List Question

Why aren't these eigenvectors orthogonal?

If there a relationship between a submatrix's eigenvalues and the matrix's eigenvalues.

$A^n$ formula not working; checked arithmetic

Eigenvectors in a block diagonal matrix

Suppose A is a square matrix and v is an eigenvector of A with associated eigenvalue 23. If x is a real number, compute A(xv) in terms of x and v.

Find the maximum value of the function $G(u)=\cfrac{u^TA u}{u^Tu}$ over $R^3$\ {0}

What exactly is a unique subspace?

Proof: If $\lambda$ is an eigenvalue of $A$ and $x$ is a corresponding eigenvector, then $sAx=s\lambda x$ for every scalar $s$.

Proving that a matrix is symmetric if it can be expressed as a spectral decomposition

Rank = # of non-zero eigenvalues of a diagonalizable matrix

What's the meaning of characteristic in "characteristic polynomial"?

Show that K>0 is an eigenvalue by finding an Eigenvecter corresponding to k

Eigenspaces of an orthogonal projection

Modulus of eigenvalues for overlap matrix

Eigenvalue problem - Right hand matrix is singular

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