Question

The original matrix R from an inverse

score 5.7k · Answer 1 · 2026-04-14 03:46:45

5.7k

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The original matrix R from an inverse

Published on 14 Apr 2026 - 3:46

score 61 · Answer 2 · 2026-04-14 17:32:58

61

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$\ker(β : V \otimes V → k)$ contains the subspace ${V}^{ \perp}\otimes V +V \otimes {V}^{\perp}$,

Published on 14 Apr 2026 - 17:32

score 1.2k · Answer 3 · 2026-04-08 06:08:58

1.2k

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Finding the transposed of the integral-function

Published on 08 Apr 2026 - 6:08

score 86 · Answer 4 · 2026-04-15 18:49:05

86

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Find all matrices A such as $|\det(A)| = \prod_{i=1}^n\left( \sum_{i=1}^n |a_{i,j}| \right)$

Published on 15 Apr 2026 - 18:49

score 160 · Answer 5 · 2026-04-11 20:42:04

160

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Can the operator $\operatorname{id}_V-(AB-BA)$ be nilpotent in the infinite-dimensional case.

Published on 11 Apr 2026 - 20:42

score 80 · Answer 6 · 2026-04-16 06:12:32

80

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Can diagonal matrix $D \in M_n$ be permuted ($P$) to render a scaled identity matrix, i.e., $\alpha I_n = P D P^*$?

Published on 16 Apr 2026 - 6:12

score 221 · Answer 7 · 2026-04-14 21:39:23

221

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Inertia of the matrix $\frac{1}{(i+j)!}$

Published on 14 Apr 2026 - 21:39

score 265 · Answer 8 · 2026-04-14 20:28:51

265

Views

Least Square and Gram-Schmidt - inconsistency in Introduction to Linear Algebra 4th edition

Published on 14 Apr 2026 - 20:28

score 343 · Answer 9 · 2026-04-10 19:09:53

343

Views

Is my proof that every linearly independent set of E is a subset of a basis of E correct?

Published on 10 Apr 2026 - 19:09

score 195 · Answer 10 · 2026-04-12 08:07:31

195

Views

Condition for bijection

Published on 12 Apr 2026 - 8:07

score 117 · Answer 11 · 2026-04-11 23:39:17

117

Views

Constrained Optimization of linear-quadratic function 2

Published on 11 Apr 2026 - 23:39

score 61 · Answer 12 · 2026-04-14 19:48:42

61

Views

Proving Dot Product property

Published on 14 Apr 2026 - 19:48

score 322 · Answer 13 · 2026-04-16 09:41:20

322

Views

Number of simultaneously solvable linear equations with nonnegative variables

Published on 16 Apr 2026 - 9:41

score 47 · Answer 14 · 2026-04-13 05:20:22

47

Views

Choosing the columns of the reduced column form of the matrix as the basis elements?

Published on 13 Apr 2026 - 5:20

score 216 · Answer 15 · 2026-04-15 05:46:39

216

Views

Looking for a well-behaved distance/similarity measure of how close a matrix B is to the (pseudo-) inverse of a matrix A.

Published on 15 Apr 2026 - 5:46

List Question

The original matrix R from an inverse

$\ker(β : V \otimes V → k)$ contains the subspace ${V}^{ \perp}\otimes V +V \otimes {V}^{\perp}$,

Finding the transposed of the integral-function

Find all matrices A such as $|\det(A)| = \prod_{i=1}^n\left( \sum_{i=1}^n |a_{i,j}| \right)$

Can the operator $\operatorname{id}_V-(AB-BA)$ be nilpotent in the infinite-dimensional case.

Can diagonal matrix $D \in M_n$ be permuted ($P$) to render a scaled identity matrix, i.e., $\alpha I_n = P D P^*$?

Inertia of the matrix $\frac{1}{(i+j)!}$

Least Square and Gram-Schmidt - inconsistency in Introduction to Linear Algebra 4th edition

Is my proof that every linearly independent set of E is a subset of a basis of E correct?

Condition for bijection

Constrained Optimization of linear-quadratic function 2

Proving Dot Product property

Number of simultaneously solvable linear equations with nonnegative variables

Choosing the columns of the reduced column form of the matrix as the basis elements?

Looking for a well-behaved distance/similarity measure of how close a matrix B is to the (pseudo-) inverse of a matrix A.

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