Question

Is the product of two symmetric positive definite matrices and some rotation matrix positive definite?

score 820 · Answer 1 · 2017-02-10 16:04:07

820

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Is the product of two symmetric positive definite matrices and some rotation matrix positive definite?

Published on 10 Feb 2017 - 16:04

score 1.1k · Answer 2 · 2017-02-10 19:49:06

1.1k

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Matrix Calculus: Derivative of Vectorized Symmetric Positive Definite Matrix w.r.t. its Vectorized Matrix Logarithm

Published on 10 Feb 2017 - 19:49

score 1.6k · Answer 3 · 2017-02-16 15:37:54

1.6k

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Method to check for Positive definite matrices.

Published on 16 Feb 2017 - 15:37

score 3.2k · Answer 4 · 2026-03-27 10:45:54

3.2k

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When does a real, positive definite matrix have positive entries?

Published on 27 Mar 2026 - 10:45

score 56 · Answer 5 · 2026-03-27 16:52:59

56

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Nonlinear Optimization - Function involving Ax and b

Published on 27 Mar 2026 - 16:52

score 1.5k · Answer 6 · 2026-03-25 10:58:37

1.5k

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Positive definite sequence and its corresponding determinant.

Published on 25 Mar 2026 - 10:58

score 187 · Answer 7 · 2017-02-20 18:24:03

187

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Matrix Inner Product Confusion

Published on 20 Feb 2017 - 18:24

score 176 · Answer 8 · 2017-02-22 13:56:17

176

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How can a positive definite matrix be diagonalized in polynomial time?

Published on 22 Feb 2017 - 13:56

score 38 · Answer 9 · 2017-02-23 05:00:55

38

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Show that a certain ratio of diagonal entries dominates a certain ratio of singular values.

Published on 23 Feb 2017 - 5:00

score 962 · Answer 10 · 2017-02-23 19:23:45

962

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Concavity of trace of positive definite matrix

Published on 23 Feb 2017 - 19:23

score 1.2k · Answer 11 · 2017-02-23 20:16:02

1.2k

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Derivative of Symmetric Positive Definite Matrix w.r.t. to its Lower Triangular Cholesky Factor

Published on 23 Feb 2017 - 20:16

score 343 · Answer 12 · 2017-02-26 14:09:41

343

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Inequality for positive definite matrices of specific type

Published on 26 Feb 2017 - 14:09

score 2.5k · Answer 13 · 2017-02-26 17:56:40

2.5k

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Transforming a matrix to a positive-definite matrix?

Published on 26 Feb 2017 - 17:56

score 87 · Answer 14 · 2026-03-27 07:50:35

87

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If $A$ is symmetric p.s.d, and $\langle u,v\rangle \leq 0$, is $u^{T} A v \leq 0$?

Published on 27 Mar 2026 - 7:50

score 1k · Answer 15 · 2017-03-15 10:00:35

1k

Views

is "positive definite" in context of kernels and inner products the same thing?

Published on 15 Mar 2017 - 10:00

List Question

Is the product of two symmetric positive definite matrices and some rotation matrix positive definite?

Matrix Calculus: Derivative of Vectorized Symmetric Positive Definite Matrix w.r.t. its Vectorized Matrix Logarithm

Method to check for Positive definite matrices.

When does a real, positive definite matrix have positive entries?

Nonlinear Optimization - Function involving Ax and b

Positive definite sequence and its corresponding determinant.

Matrix Inner Product Confusion

How can a positive definite matrix be diagonalized in polynomial time?

Show that a certain ratio of diagonal entries dominates a certain ratio of singular values.

Concavity of trace of positive definite matrix

Derivative of Symmetric Positive Definite Matrix w.r.t. to its Lower Triangular Cholesky Factor

Inequality for positive definite matrices of specific type

Transforming a matrix to a positive-definite matrix?

If $A$ is symmetric p.s.d, and $\langle u,v\rangle \leq 0$, is $u^{T} A v \leq 0$?

is "positive definite" in context of kernels and inner products the same thing?

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