Question

To write the matrix of a dot product $g:\mathbb{R^2} \times \mathbb{R^2} \to \mathbb{R}$ on a basis $\mathcal{B}=\{v_1, v_2\}$

score 32 · Answer 1 · 2026-04-16 02:43:20

32

Views

To write the matrix of a dot product $g:\mathbb{R^2} \times \mathbb{R^2} \to \mathbb{R}$ on a basis $\mathcal{B}=\{v_1, v_2\}$

Published on 16 Apr 2026 - 2:43

score 278 · Answer 2 · 2026-03-25 11:00:03

278

Views

Computing $k$-th roots of diagonalizable matrices with integer entries

Published on 25 Mar 2026 - 11:00

score 53 · Answer 3 · 2026-04-14 18:49:56

53

Views

Orthogonal projection onto subspace

Published on 14 Apr 2026 - 18:49

score 66 · Answer 4 · 2026-04-13 04:39:39

66

Views

Definition of determinant of a matrix

Published on 13 Apr 2026 - 4:39

score 1.1k · Answer 5 · 2026-04-12 03:35:49

1.1k

Views

Classification of all matrix transformations on $\mathbb{R}^2$ plane

Published on 12 Apr 2026 - 3:35

score 173 · Answer 6 · 2026-04-13 04:57:51

173

Views

If $A$ has linearly dependent rows or columns then $\det(A)=0$

Published on 13 Apr 2026 - 4:57

score 98 · Answer 7 · 2026-04-15 05:25:26

98

Views

Is the integral $x^* \left( \int_{0}^{\infty} e^{(B-A)^t} (A^A) e^{(B-A)t} dt \right) x$ unbounded when $\|A\| \to \infty$ in some matrix norm?

Published on 15 Apr 2026 - 5:25

score 1.2k · Answer 8 · 2026-04-18 13:13:49

1.2k

Views

On the anti-commuting matrices

Published on 18 Apr 2026 - 13:13

score 64 · Answer 9 · 2026-04-16 18:38:27

64

Views

Assume the determinant is 0 of a matrix

Published on 16 Apr 2026 - 18:38

score 334 · Answer 10 · 2026-04-14 04:27:46

334

Views

Suppose that $T$ is injective, how to prove that $T^* T$ is injective?

Published on 14 Apr 2026 - 4:27

score 269 · Answer 11 · 2026-04-18 18:08:16

269

Views

Characterization of the matrix inverse

Published on 18 Apr 2026 - 18:08

score 127 · Answer 12 · 2026-04-17 10:48:21

127

Views

How many eigenvalues does $f$ have if ${f}^{m}$= Id for some $m$

Published on 17 Apr 2026 - 10:48

score 601 · Answer 13 · 2026-04-13 16:21:11

601

Views

Math and linear algebra prerequisites for convex optimization

Published on 13 Apr 2026 - 16:21

score 48 · Answer 14 · 2026-04-14 20:49:53

48

Views

How to show that one linear map is injective and the other surjective when you compose two of them together

Published on 14 Apr 2026 - 20:49

score 82 · Answer 15 · 2026-04-17 07:54:05

82

Views

Show that given an irreducible module of heighest weight $0$ over a lie algebra has dimension $1$

Published on 17 Apr 2026 - 7:54

List Question

To write the matrix of a dot product $g:\mathbb{R^2} \times \mathbb{R^2} \to \mathbb{R}$ on a basis $\mathcal{B}=\{v_1, v_2\}$

Computing $k$-th roots of diagonalizable matrices with integer entries

Orthogonal projection onto subspace

Definition of determinant of a matrix

Classification of all matrix transformations on $\mathbb{R}^2$ plane

If $A$ has linearly dependent rows or columns then $\det(A)=0$

Is the integral $x^* \left( \int_{0}^{\infty} e^{(B-A)^t} (A^A) e^{(B-A)t} dt \right) x$ unbounded when $\|A\| \to \infty$ in some matrix norm?

On the anti-commuting matrices

Assume the determinant is 0 of a matrix

Suppose that $T$ is injective, how to prove that $T^* T$ is injective?

Characterization of the matrix inverse

How many eigenvalues does $f$ have if ${f}^{m}$= Id for some $m$

Math and linear algebra prerequisites for convex optimization

How to show that one linear map is injective and the other surjective when you compose two of them together

Show that given an irreducible module of heighest weight $0$ over a lie algebra has dimension $1$

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