Question

Does a square root matrix of a circulant correlation matrix with positive entries also have all positive entries?

score 65 · Answer 1 · 2026-03-25 03:02:51

65

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Does a square root matrix of a circulant correlation matrix with positive entries also have all positive entries?

Published on 25 Mar 2026 - 3:02

score 73 · Answer 2 · 2019-02-10 12:39:53

73

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Linear algebra- Diagonalization of a symmetric matrix

Published on 10 Feb 2019 - 12:39

score 328 · Answer 3 · 2019-02-10 16:05:20

328

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how prove that a linear transformation is diagonalizable, given an eigenvalue and the dimension of its kernel

Published on 10 Feb 2019 - 16:05

score 104 · Answer 4 · 2026-03-25 12:49:54

104

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Prove that $\phi(f(X),Y)=\phi(X,f(Y))~\forall X,Y\in\mathbb R^3$ where $\phi(X,Y)=X^TAY$ and $f:\mathbb R^3\to \mathbb R^3, X\mapsto BX$

Published on 25 Mar 2026 - 12:49

score 50 · Answer 5 · 2026-03-26 04:32:27

50

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Is this matrix defined from an integral of a non-negative function positive definite?

Published on 26 Mar 2026 - 4:32

score 573 · Answer 6 · 2019-02-12 22:38:58

573

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Does orthogonal eigenvectors imply symmetric matrix?

Published on 12 Feb 2019 - 22:38

score 60 · Answer 7 · 2026-03-26 17:32:21

60

Views

Result for $A^{-\frac{1}{2}}A(A^{-\frac{1}{2}})^T$

Published on 26 Mar 2026 - 17:32

score 376 · Answer 8 · 2019-02-15 02:48:17

376

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The inverse of a submatrix of an inverse matrix; how to numerically approach this?

Published on 15 Feb 2019 - 2:48

score 43 · Answer 9 · 2019-02-18 12:42:09

43

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Determinant of large square matrix (term by term multiplication with same size matrix)

Published on 18 Feb 2019 - 12:42

score 1k · Answer 10 · 2026-03-26 11:01:04

1k

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Orthogonal matrix multiplied by diagonal matrix multiplied by transpose of the orthogonal matrix

Published on 26 Mar 2026 - 11:01

score 1.2k · Answer 11 · 2019-02-21 23:55:28

1.2k

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Is there a name for a square matrix with constant diagonal and off-diagonal elements?

Published on 21 Feb 2019 - 23:55

score 100 · Answer 12 · 2026-03-26 17:30:18

100

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What type of matrices lead to $\pm$ eigenvalues?

Published on 26 Mar 2026 - 17:30

score 38 · Answer 13 · 2026-03-26 17:32:39

38

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What is the most general matrix that gives rise to all even characteristic polynomials?

Published on 26 Mar 2026 - 17:32

score 1.7k · Answer 14 · 2019-02-25 03:41:47

1.7k

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can any symmetrix matrix be written as $A^TA$?

Published on 25 Feb 2019 - 3:41

score 1.5k · Answer 15 · 2019-02-25 14:52:15

1.5k

Views

Find 3x3 matrix by determinant and 2 eigenvalues/-vectors

Published on 25 Feb 2019 - 14:52

List Question

Does a square root matrix of a circulant correlation matrix with positive entries also have all positive entries?

Linear algebra- Diagonalization of a symmetric matrix

how prove that a linear transformation is diagonalizable, given an eigenvalue and the dimension of its kernel

Prove that $\phi(f(X),Y)=\phi(X,f(Y))~\forall X,Y\in\mathbb R^3$ where $\phi(X,Y)=X^TAY$ and $f:\mathbb R^3\to \mathbb R^3, X\mapsto BX$

Is this matrix defined from an integral of a non-negative function positive definite?

Does orthogonal eigenvectors imply symmetric matrix?

Result for $A^{-\frac{1}{2}}A(A^{-\frac{1}{2}})^T$

The inverse of a submatrix of an inverse matrix; how to numerically approach this?

Determinant of large square matrix (term by term multiplication with same size matrix)

Orthogonal matrix multiplied by diagonal matrix multiplied by transpose of the orthogonal matrix

Is there a name for a square matrix with constant diagonal and off-diagonal elements?

What type of matrices lead to $\pm$ eigenvalues?

What is the most general matrix that gives rise to all even characteristic polynomials?

can any symmetrix matrix be written as $A^TA$?

Find 3x3 matrix by determinant and 2 eigenvalues/-vectors

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