List questions from symmetric-matrices

Published on 24 Mar 2026 - 14:21

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Prove this class of matrices has only one positive eigenvalue

Published on 27 Sep 2018 - 22:18

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Showing that every rational eigenvalue of a graph is integral

Published on 30 Sep 2018 - 4:08

69

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"Perturbed projection" matrix equality

Published on 30 Sep 2018 - 20:03

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Proof for why symmetric matrices are only orthogonally diagonalizable

Published on 26 Mar 2026 - 2:45

852

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Prove that matrix $\mathbf{A^H A}$ is Hermitian

Published on 02 Oct 2018 - 5:19

406

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difference in determinants of Positive Definite Matrices

Published on 06 Oct 2018 - 4:58

659

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When does a product of two symmetric matrices commute?

Published on 06 Oct 2018 - 19:37

102

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Find rank of the special block symmetric and persymmetric matrix

Published on 26 Mar 2026 - 1:11

586

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Maximum Eigenvalue of a Symmetric Matrix!!

Published on 10 Oct 2018 - 15:08

460

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Eigenvalues of a special symmetric matrix

Published on 10 Oct 2018 - 18:52

275

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What is the limit of $\mathrm{Tr}(G^kM{G^*}^k)^{1/2k}$ when $k$ goes to infinity?

Published on 25 Mar 2026 - 17:20

473

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How to find the $n^{th}$ power of $M\in\mathbb{R}^{m\times m}$, for $M$ symmetric, $m\le 1000$, and $n$ arbitrary?

Published on 25 Mar 2026 - 18:49

104

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Matrix equation of the form $C A C^\intercal = D$

Published on 26 Mar 2026 - 4:51

58

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Conic sections and polynomials over C

Published on 19 Oct 2018 - 15:12

List Question

Determinant of matrix formed from blocks of a $2 \times 2$ block partitioned symplectic matrix.

Prove this class of matrices has only one positive eigenvalue

Showing that every rational eigenvalue of a graph is integral

"Perturbed projection" matrix equality

Proof for why symmetric matrices are only orthogonally diagonalizable

Prove that matrix $\mathbf{A^H A}$ is Hermitian

difference in determinants of Positive Definite Matrices

When does a product of two symmetric matrices commute?

Find rank of the special block symmetric and persymmetric matrix

Maximum Eigenvalue of a Symmetric Matrix!!

Eigenvalues of a special symmetric matrix

What is the limit of $\mathrm{Tr}(G^kM{G^*}^k)^{1/2k}$ when $k$ goes to infinity?

How to find the $n^{th}$ power of $M\in\mathbb{R}^{m\times m}$, for $M$ symmetric, $m\le 1000$, and $n$ arbitrary?

Matrix equation of the form $C A C^\intercal = D$

Conic sections and polynomials over C

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