List questions from matrices

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Linear transformations on matrix ring

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Basic properties of the matrix logarithm

Published on 30 Mar 2026 - 10:35

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Upper bound on $L_\infty$ norm of product of matrices

Published on 25 Mar 2026 - 15:43

43

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Eigenvectors of Period-translation matrix for Hill's equation

Published on 28 Mar 2026 - 10:04

618

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Prove that the column vectors of a $n \times n$ matrix are a basis for $\mathbb{F}^n$ if and only if $\det X \neq 0.$

Published on 26 Mar 2026 - 16:56

836

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If $A$ is idempotent then $A$ is similar to a diagonal matrix with only $0$'s and $1$'s on the diagonal.

Published on 25 Mar 2026 - 7:46

67

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How to manipulate matrices whose elements are themselves matrices or other unique entities?

Published on 05 Apr 2018 - 23:00

67

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How to calculate $\frac{\partial\|A(I_n\otimes B)x\|^2}{\partial B}$?

Published on 25 Mar 2026 - 16:40

945

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Applying 3D rotations to align two points in front plane

Published on 27 Mar 2026 - 11:52

54

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What are the conditions to find $A$ such that $AB=BD$ where $D$ is block diagonal?

Published on 07 Apr 2026 - 11:49

1.8k

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Is the spectral norm of the Jacobian of an $M$-Lipschitz function bounded by $M$?

Published on 27 Mar 2026 - 23:14

31

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Network consensus in discrete time

Published on 28 Mar 2026 - 13:31

2.3k

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Finding characteristic polynomial of n x n matrix?

Published on 25 Mar 2026 - 14:12

118

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Solving Linear Systems Ax=b Using Iteration

Published on 27 Mar 2026 - 11:44

List Question

Why is the maximum Rayleigh quotient equal to the maximum eigenvalue?

Linear transformations on matrix ring

Basic properties of the matrix logarithm

Upper bound on $L_\infty$ norm of product of matrices

Eigenvectors of Period-translation matrix for Hill's equation

Prove that the column vectors of a $n \times n$ matrix are a basis for $\mathbb{F}^n$ if and only if $\det X \neq 0.$

If $A$ is idempotent then $A$ is similar to a diagonal matrix with only $0$'s and $1$'s on the diagonal.

How to manipulate matrices whose elements are themselves matrices or other unique entities?

How to calculate $\frac{\partial\|A(I_n\otimes B)x\|^2}{\partial B}$?

Applying 3D rotations to align two points in front plane

What are the conditions to find $A$ such that $AB=BD$ where $D$ is block diagonal?

Is the spectral norm of the Jacobian of an $M$-Lipschitz function bounded by $M$?

Network consensus in discrete time

Finding characteristic polynomial of n x n matrix?

Solving Linear Systems Ax=b Using Iteration

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