Question

linear algebra - further properties of positive definite matrix

score 168 · Answer 1 · 2016-10-16 11:28:02

168

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linear algebra - further properties of positive definite matrix

Published on 16 Oct 2016 - 11:28

score 325 · Answer 2 · 2016-10-17 05:33:30

325

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Constructing a Positive Definite Matrix

Published on 17 Oct 2016 - 5:33

score 236 · Answer 3 · 2026-03-27 02:35:58

236

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A symmetric real matrix with all diagonal entries unspecified can be completed to be positive semidefinite

Published on 27 Mar 2026 - 2:35

score 635 · Answer 4 · 2026-03-27 02:39:20

635

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Showing a matrix is positive semi definite if certain principal submatrix

Published on 27 Mar 2026 - 2:39

score 632 · Answer 5 · 2016-10-19 05:26:28

632

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Normal equation system

Published on 19 Oct 2016 - 5:26

score 1.1k · Answer 6 · 2016-10-20 00:07:20

1.1k

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Determine a matrix given eigenvalues and single eigenvector?

Published on 20 Oct 2016 - 0:07

score 177 · Answer 7 · 2016-10-21 20:50:09

177

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Positive and negative matrix

Published on 21 Oct 2016 - 20:50

score 37 · Answer 8 · 2016-10-28 07:19:24

37

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How to prove $ \|x_k-A^{-1}b\|_A={\rm min}_{x\in \chi}\|x-A^{-1}b\|_A$?

Published on 28 Oct 2016 - 7:19

score 1.1k · Answer 9 · 2016-10-28 14:04:09

1.1k

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When I add a constant to all entries in a positive semi-definite matrix, is the resulting matrix again psd.?

Published on 28 Oct 2016 - 14:04

score 1.8k · Answer 10 · 2016-10-31 12:30:14

1.8k

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$A$ be a real symmetric non-singular matrix. Then which of the following is true?

Published on 31 Oct 2016 - 12:30

score 15.7k · Answer 11 · 2016-11-05 19:59:13

15.7k

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Logarithm of the determinant of a positive definite matrix

Published on 05 Nov 2016 - 19:59

score 32 · Answer 12 · 2016-11-05 20:57:45

32

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product of special positive definite matrices

Published on 05 Nov 2016 - 20:57

score 5.4k · Answer 13 · 2016-11-06 04:24:42

5.4k

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Prove that the product of two positive linear operators is positive if and only if they commute.

Published on 06 Nov 2016 - 4:24

score 153 · Answer 14 · 2016-11-09 14:20:48

153

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Is a matrix with non-negative entries which is positive definite over the reals alsopositive definite over the complex field?

Published on 09 Nov 2016 - 14:20

score 55 · Answer 15 · 2016-11-09 20:19:51

55

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Under which conditions is $\|AB\|_2 = \|A\|_2\|B|\|_2$

Published on 09 Nov 2016 - 20:19

List Question

linear algebra - further properties of positive definite matrix

Constructing a Positive Definite Matrix

A symmetric real matrix with all diagonal entries unspecified can be completed to be positive semidefinite

Showing a matrix is positive semi definite if certain principal submatrix

Normal equation system

Determine a matrix given eigenvalues and single eigenvector?

Positive and negative matrix

How to prove $ \|x_k-A^{-1}b\|_A={\rm min}_{x\in \chi}\|x-A^{-1}b\|_A$?

When I add a constant to all entries in a positive semi-definite matrix, is the resulting matrix again psd.?

$A$ be a real symmetric non-singular matrix. Then which of the following is true?

Logarithm of the determinant of a positive definite matrix

product of special positive definite matrices

Prove that the product of two positive linear operators is positive if and only if they commute.

Is a matrix with non-negative entries which is positive definite over the reals alsopositive definite over the complex field?

Under which conditions is $\|AB\|_2 = \|A\|_2\|B|\|_2$

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