Question

How to prove the following equality with matrix norm?

score 112 · Answer 1 · 2026-05-16 08:37:41

112

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How to prove the following equality with matrix norm?

Published on 16 May 2026 - 8:37

score 136 · Answer 2 · 2026-05-18 08:17:16

136

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I don't understand this $\left(\left[T\right]^B_C\right)^{-1}=\left[T^{-1}\right]^C_B$

Published on 18 May 2026 - 8:17

score 545 · Answer 3 · 2026-05-18 08:31:58

545

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Powers of a simple matrix and Catalan numbers

Published on 18 May 2026 - 8:31

score 434 · Answer 4 · 2026-05-17 21:05:58

434

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Gradient of Cost Function To Find Matrix Factorization

Published on 17 May 2026 - 21:05

score 102 · Answer 5 · 2026-05-17 04:12:29

102

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Particular commutator matrix is strictly lower triangular, or at least annihilates last base vector

Published on 17 May 2026 - 4:12

score 156 · Answer 6 · 2026-05-17 04:12:30

156

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Inverse of a triangular-by-block $3 \times 3$ matrix

Published on 17 May 2026 - 4:12

score 66 · Answer 7 · 2026-05-17 12:11:36

66

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Form square matrix out of a non square matrix to calculate determinant

Published on 17 May 2026 - 12:11

score 77 · Answer 8 · 2026-05-16 09:23:59

77

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Extending a linear action to monomials of higher degree

Published on 16 May 2026 - 9:23

score 148 · Answer 9 · 2026-05-17 04:12:53

148

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Eiegenspectrum on subtracting a diagonal matrix

Published on 17 May 2026 - 4:12

score 83 · Answer 10 · 2026-05-17 03:39:58

83

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For a $G$ a finite subgroup of $\mathbb{GL}_2(\mathbb{R})$ of rank $3$, show that $f^2 = \textrm{Id}$ for all $f \in G$

Published on 17 May 2026 - 3:39

score 214 · Answer 11 · 2026-05-18 07:51:16

214

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Distribution of min/max row sum of matrix with i.i.d. uniform random variables

Published on 18 May 2026 - 7:51

score 110 · Answer 12 · 2026-05-17 05:16:00

110

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Is $A$ satisfying ${A^2} = - I$ similar to $\left[ {\begin{smallmatrix} 0&I \\ { - I}&0 \end{smallmatrix}} \right]$?

Published on 17 May 2026 - 5:16

score 175 · Answer 13 · 2026-05-18 07:50:44

175

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Determining a $4\times4$ matrix knowing $3$ of its $4$ eigenvectors and eigenvalues

Published on 18 May 2026 - 7:50

score 904 · Answer 14 · 2026-05-17 14:26:36

904

Views

what is transposition Hadamard product?

Published on 17 May 2026 - 14:26

score 77 · Answer 15 · 2026-05-18 07:45:10

77

Views

Assuming that A is the matrix of a linear operator F in S find the matrix B of F in R

Published on 18 May 2026 - 7:45

List Question

How to prove the following equality with matrix norm?

I don't understand this $\left(\left[T\right]^B_C\right)^{-1}=\left[T^{-1}\right]^C_B$

Powers of a simple matrix and Catalan numbers

Gradient of Cost Function To Find Matrix Factorization

Particular commutator matrix is strictly lower triangular, or at least annihilates last base vector

Inverse of a triangular-by-block $3 \times 3$ matrix

Form square matrix out of a non square matrix to calculate determinant

Extending a linear action to monomials of higher degree

Eiegenspectrum on subtracting a diagonal matrix

For a $G$ a finite subgroup of $\mathbb{GL}_2(\mathbb{R})$ of rank $3$, show that $f^2 = \textrm{Id}$ for all $f \in G$

Distribution of min/max row sum of matrix with i.i.d. uniform random variables

Is $A$ satisfying ${A^2} = - I$ similar to $\left[ {\begin{smallmatrix} 0&I \\ { - I}&0 \end{smallmatrix}} \right]$?

Determining a $4\times4$ matrix knowing $3$ of its $4$ eigenvectors and eigenvalues

what is transposition Hadamard product?

Assuming that A is the matrix of a linear operator F in S find the matrix B of F in R

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