List questions from positive-definite

29

Views

Find constant of this inequality $\textbf{t}' \textbf{E}^b \textbf{t} \geq (\textbf{t}'\textbf{E} \textbf{t})^a$

Published on 20 Dec 2015 - 2:18

99

Views

Solving a matrix equation $x^t D x = 1$

Published on 20 Dec 2015 - 7:18

3.8k

Views

A real symmetric matrix $A$ positive definite if all its eigenvalues are positive

Published on 26 Dec 2015 - 23:22

1.3k

Views

minimize frobenius norm

Published on 25 Mar 2026 - 20:38

103

Views

Positive-Semi-Definite form of Variance?

Published on 28 Mar 2026 - 13:40

4.4k

Views

Loewner ordering of symetric positive definite matrices and their inverse

Published on 04 Mar 2026 - 3:22

545

Views

Does $A$ being positive definite imply $\ker A = 0\,$?

Published on 07 Jan 2016 - 15:50

1.3k

Views

Positive-definitiveness of non-negative matrix with only positive diagonal values?

Published on 07 Jan 2016 - 21:00

164

Views

Proof of positive semi-definite matrix

Published on 08 Jan 2016 - 14:40

2.8k

Views

Product of diagonal and symmetric positive definite matrix.

Published on 10 Jan 2016 - 5:37

48

Views

Real points in a matrix interval

Published on 11 Jan 2016 - 8:13

861

Views

Prove a Block Matrix is Positive-Definite Given the elements

Published on 13 Jan 2016 - 0:58

1.8k

Views

Is $A^TBA$ positive semidefinite, for any square matrix $B$?

Published on 13 Jan 2016 - 1:06

201

Views

Positive correlation with the sequence $\sqrt{ij}/2-\min(i,j)$

Published on 16 Jan 2016 - 5:23

488

Views

How to prove that the set of real $ n \times n $ PSD matrices of rank $\leq r < n $ and unit trace, is not contractible?

Published on 18 Jan 2016 - 16:56

List Question

Find constant of this inequality $\textbf{t}' \textbf{E}^b \textbf{t} \geq (\textbf{t}'\textbf{E} \textbf{t})^a$

Solving a matrix equation $x^t D x = 1$

A real symmetric matrix $A$ positive definite if all its eigenvalues are positive

minimize frobenius norm

Positive-Semi-Definite form of Variance?

Loewner ordering of symetric positive definite matrices and their inverse

Does $A$ being positive definite imply $\ker A = 0\,$?

Positive-definitiveness of non-negative matrix with only positive diagonal values?

Proof of positive semi-definite matrix

Product of diagonal and symmetric positive definite matrix.

Real points in a matrix interval

Prove a Block Matrix is Positive-Definite Given the elements

Is $A^TBA$ positive semidefinite, for any square matrix $B$?

Positive correlation with the sequence $\sqrt{ij}/2-\min(i,j)$

How to prove that the set of real $ n \times n $ PSD matrices of rank $\leq r < n $ and unit trace, is not contractible?

Trending Questions

Popular # Hahtags

Popular Questions