Question

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

score 48 · Answer 1 · 2026-03-19 05:51:18

48

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

Published on 19 Mar 2026 - 5:51

score 48 · Answer 2 · 2026-03-21 17:37:52

48

Views

Let $T:V\to W$ on finite dimensional vector spaces, is it possible to use the determinant to determine that $T$ is invertible.

Published on 21 Mar 2026 - 17:37

score 51 · Answer 3 · 2026-03-20 05:36:14

51

Views

Optimization over images of column-orthogonal matrices through rotations and reflections

Published on 20 Mar 2026 - 5:36

score 3.9k · Answer 4 · 2026-03-25 01:19:45

3.9k

Views

Effect of adding a zero row and column on the eigenvalues of a matrix

Published on 25 Mar 2026 - 1:19

score 231 · Answer 5 · 2026-03-23 23:55:27

231

Views

Geometric intuition behind determinant properties

Published on 23 Mar 2026 - 23:55

score 502 · Answer 6 · 2026-03-21 10:54:19

502

Views

Help with proof or counterexample: $A^3=0 \implies I_n+A$ is invertible

Published on 21 Mar 2026 - 10:54

score 104 · Answer 7 · 2026-03-22 17:35:10

Prove that every matrix $\in\mathbb{R}^{3\times3}$ with determinant equal 6 can be written as $AB$, when $|B|=1$ and $A$ is the given matrix.

score 1.9k · Answer 8 · 2026-03-23 15:02:03

1.9k

Views

Properties of determinant exponent

Published on 23 Mar 2026 - 15:02

score 224 · Answer 9 · 2026-03-22 19:49:30

224

Views

How to determine the characteristic polynomial of the $4\times4$ real matrix of ones?

Published on 22 Mar 2026 - 19:49

score 295 · Answer 10 · 2026-03-24 21:45:08

295

Views

The determinant of the sum of a positive definite matrix with a symmetric singular matrix

Published on 24 Mar 2026 - 21:45

score 1k · Answer 11 · 2026-03-22 10:30:45

1k

Views

If $A$ is a $5×4$ matrix and $B$ is a $4×5$ matrix

Published on 22 Mar 2026 - 10:30

score 67 · Answer 12 · 2026-03-22 12:42:09

67

Views

Find the value of a third order circulant type determinant

Published on 22 Mar 2026 - 12:42

score 85 · Answer 13 · 2026-03-25 12:33:49

85

Views

Bounding an absolute value of a determinant of a specific matrix

Published on 25 Mar 2026 - 12:33

score 251 · Answer 14 · 2026-03-25 12:34:33

251

Views

Determinant as a measure of instability of a linear system

Published on 25 Mar 2026 - 12:34

score 170 · Answer 15 · 2026-03-25 03:07:47

170

Views

Find if subset W is a subspace of V. (with determinant)

Published on 25 Mar 2026 - 3:07

List Question

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

Let $T:V\to W$ on finite dimensional vector spaces, is it possible to use the determinant to determine that $T$ is invertible.

Optimization over images of column-orthogonal matrices through rotations and reflections

Effect of adding a zero row and column on the eigenvalues of a matrix

Geometric intuition behind determinant properties

Help with proof or counterexample: $A^3=0 \implies I_n+A$ is invertible

Prove that every matrix $\in\mathbb{R}^{3\times3}$ with determinant equal 6 can be written as $AB$, when $|B|=1$ and $A$ is the given matrix.

Properties of determinant exponent

How to determine the characteristic polynomial of the $4\times4$ real matrix of ones?

The determinant of the sum of a positive definite matrix with a symmetric singular matrix

If $A$ is a $5×4$ matrix and $B$ is a $4×5$ matrix

Find the value of a third order circulant type determinant

Bounding an absolute value of a determinant of a specific matrix

Determinant as a measure of instability of a linear system

Find if subset W is a subspace of V. (with determinant)

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