List questions from matrices

Published on 09 Apr 2026 - 2:06

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Are eigenvectors of a symmetric matrix orthonormal or just orthogonal?

Published on 25 Mar 2026 - 19:04

3.9k

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Difference between matrix mapping and matrix multiplication

Published on 12 Apr 2026 - 17:21

56

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Can't solve matrix multiplication with vector

Published on 11 Apr 2026 - 16:21

1k

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Positive and negative index of inertia

Published on 24 Mar 2026 - 23:46

124

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Dimension of subspace consisting of commuting matrices with a given matrix

Published on 12 Apr 2026 - 9:46

872

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Does Cramer's Rule give fake solutions?

Published on 10 Apr 2026 - 5:59

152

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About the eigenvalues of $A = (B + I)(B-I)^{-1}$

Published on 09 May 2018 - 19:25

74

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To prove that given subset is open.

Published on 05 Apr 2026 - 17:12

283

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L1 norm constraint on product of 2 matrix

Published on 25 Mar 2026 - 16:02

2.1k

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Find cosets and index of $GL_n$ and $SL_n$

Published on 09 May 2018 - 20:04

217

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Dimension of kernel for differential map

Published on 12 Apr 2026 - 20:45

123

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When to break a matrix into low rank and diagonal component?

Published on 12 Apr 2026 - 19:41

64

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Are matrices only similar to one other matrix?

Published on 26 Mar 2026 - 1:28

103

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Show that $\mathbf{M}^T\mathbf{M}^{-1}\left(\mathbf{M}^{-1}\right)^T\mathbf{M}=I$ where $\mathbf{M}= I - \mathbf{A}$ and $\mathbf{A}^T = - \mathbf{A}$

Published on 25 Mar 2026 - 9:16

List Question

Finding steady-state vector for stochastic matrix P

Are eigenvectors of a symmetric matrix orthonormal or just orthogonal?

Difference between matrix mapping and matrix multiplication

Can't solve matrix multiplication with vector

Positive and negative index of inertia

Dimension of subspace consisting of commuting matrices with a given matrix

Does Cramer's Rule give fake solutions?

About the eigenvalues of $A = (B + I)(B-I)^{-1}$

To prove that given subset is open.

L1 norm constraint on product of 2 matrix

Find cosets and index of $GL_n$ and $SL_n$

Dimension of kernel for differential map

When to break a matrix into low rank and diagonal component?

Are matrices only similar to one other matrix?

Show that $\mathbf{M}^T\mathbf{M}^{-1}\left(\mathbf{M}^{-1}\right)^T\mathbf{M}=I$ where $\mathbf{M}= I - \mathbf{A}$ and $\mathbf{A}^T = - \mathbf{A}$

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