Question

How to decompose a matrix as the sum of Kronecker products?

score 2.1k · Answer 1 · 2021-07-05 03:29:20

2.1k

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How to decompose a matrix as the sum of Kronecker products?

Published on 05 Jul 2021 - 3:29

score 143 · Answer 2 · 2021-07-16 07:33:13

143

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Extremely complex vector-matrix expression and its differentiation by vector

Published on 16 Jul 2021 - 7:33

score 152 · Answer 3 · 2021-07-18 09:11:52

152

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Formula for the transition from tensors to vectors in matrix calculus

Published on 18 Jul 2021 - 9:11

score 45 · Answer 4 · 2021-07-20 05:16:37

45

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Derivative of a scalar quantity involving inverse and Kronecker product

Published on 20 Jul 2021 - 5:16

score 123 · Answer 5 · 2021-07-22 12:59:27

123

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One more question about matrix calculus: this time about skew-symmetric matrices

Published on 22 Jul 2021 - 12:59

score 98 · Answer 6 · 2026-03-25 15:57:24

98

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Relationship between Kronecker square and vec square

Published on 25 Mar 2026 - 15:57

score 345 · Answer 7 · 2021-07-24 20:25:13

345

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Can a vector be decomposed (non-uniquely) into tensor products of smaller vectors?

Published on 24 Jul 2021 - 20:25

score 96 · Answer 8 · 2021-08-09 17:43:36

96

Views

Spectral decomposition of self kronecker products

Published on 09 Aug 2021 - 17:43

score 134 · Answer 9 · 2021-09-03 15:00:44

134

Views

Understanding the Unitary Operator $U|\psi\rangle\otimes|0\rangle=\sum_m M_m|\psi\rangle\otimes|m\rangle$

Published on 03 Sep 2021 - 15:00

score 136 · Answer 10 · 2021-09-11 12:55:15

136

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If $\sum_ix_i\otimes y_i=0$ and $x_i$ are independent, then prove that $y_i=0$ for all $i$.

Published on 11 Sep 2021 - 12:55

score 380 · Answer 11 · 2021-09-24 13:00:03

380

Views

Expected value of Kronecker product between two random matrices

Published on 24 Sep 2021 - 13:00

score 469 · Answer 12 · 2021-10-08 10:22:28

469

Views

Spectrum of a Kronecker sum of an operator with itself

Published on 08 Oct 2021 - 10:22

score 101 · Answer 13 · 2021-10-13 21:13:32

101

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What is the formal name of this matrix product?

Published on 13 Oct 2021 - 21:13

score 162 · Answer 14 · 2021-10-20 06:02:51

162

Views

How to understand notation $\otimes$ for multivariate Gaussian distribution?

Published on 20 Oct 2021 - 6:02

score 59 · Answer 15 · 2021-10-20 07:58:20

59

Views

How is $\boldsymbol{v} \stackrel{q}{\otimes} \boldsymbol{v}$, the tensorial product of a vector by itself repeated $q$ times, is defined?

Published on 20 Oct 2021 - 7:58

List Question

How to decompose a matrix as the sum of Kronecker products?

Extremely complex vector-matrix expression and its differentiation by vector

Formula for the transition from tensors to vectors in matrix calculus

Derivative of a scalar quantity involving inverse and Kronecker product

One more question about matrix calculus: this time about skew-symmetric matrices

Relationship between Kronecker square and vec square

Can a vector be decomposed (non-uniquely) into tensor products of smaller vectors?

Spectral decomposition of self kronecker products

Understanding the Unitary Operator $U|\psi\rangle\otimes|0\rangle=\sum_m M_m|\psi\rangle\otimes|m\rangle$

If $\sum_ix_i\otimes y_i=0$ and $x_i$ are independent, then prove that $y_i=0$ for all $i$.

Expected value of Kronecker product between two random matrices

Spectrum of a Kronecker sum of an operator with itself

What is the formal name of this matrix product?

How to understand notation $\otimes$ for multivariate Gaussian distribution?

How is $\boldsymbol{v} \stackrel{q}{\otimes} \boldsymbol{v}$, the tensorial product of a vector by itself repeated $q$ times, is defined?

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