paperskilltrees

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linear-algebra

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Question about definition of 'distribution'

Nov 14, 2022

3

Let $A_1, A_2, ..., A_k\in M_n(\mathbb{R})$ be symmetric matrices such that $A^2_1+A^2_2+...+A^2_k=0$. Prove that $A_i=0$ for every $i=1,2,...,k$.

Nov 10, 2022

3

Application of chain rule, and some recursion

Oct 12, 2020

3

Application of the chain rule to $3$-layers neural network

Oct 14, 2020

3

Does ⋮ mean "is divisible by" in mathematical notation?

Oct 14, 2021

Questions

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What is the term for two matrices sharing the same sets of singular vectors?

Oct 28, 2020

1

Index of imprimitivity = Period of a matrix?

Oct 14, 2021

1

What do you call the converse of an invariant subspace of an operator?

May 17, 2022

1

Which one is the proper Gauss-Jordan elimination method?

Jul 23, 2022

1

Is sigma-finiteness required for the Change of Variables theorem?

Nov 2, 2022

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linear-algebra

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statistics

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matrices

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What is the term for two matrices sharing the same sets of singular vectors?

+10

Substochastic matrix spectral radius

+10

Left and right eigenvectors cannot be orthogonal

+10

Does ⋮ mean "is divisible by" in mathematical notation?

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