Question

Eigenvalues of such matrix $A^2 = A^T$

score 661 · Answer 1 · 2026-03-27 01:44:44

661

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Eigenvalues of such matrix $A^2 = A^T$

Published on 27 Mar 2026 - 1:44

score 67 · Answer 2 · 2026-03-25 11:10:26

67

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Which equation system can be solved the fastest(orthogonal,spd,tridiagonal)?

Published on 25 Mar 2026 - 11:10

score 90 · Answer 3 · 2018-02-26 18:39:04

90

Views

Can unit vectors $i, j, $ and $k$ be elements of a group?

Published on 26 Feb 2018 - 18:39

score 182 · Answer 4 · 2026-03-25 07:43:47

182

Views

Weights appearing in a finite-dimensional module over semisimple Lie algebra

Published on 25 Mar 2026 - 7:43

score 113 · Answer 5 · 2026-03-26 06:02:52

113

Views

Show that this operator is linear.

Published on 26 Mar 2026 - 6:02

score 1k · Answer 6 · 2018-02-26 20:18:16

1k

Views

Basis consisting of eigenvectors

Published on 26 Feb 2018 - 20:18

score 827 · Answer 7 · 2018-02-26 21:20:30

827

Views

How to calculate a general solution to a linear system from a kernel.

Published on 26 Feb 2018 - 21:20

score 425 · Answer 8 · 2026-03-25 11:13:25

425

Views

Grouping of terms in matrix exponent power series.

Published on 25 Mar 2026 - 11:13

score 335 · Answer 9 · 2026-03-27 17:57:34

335

Views

Suppose $F: V \to U$ is linear and $k$ is a nonzero scalar. Prove that the maps $F$ and $kF$ have the same kernel and the same image.

Published on 27 Mar 2026 - 17:57

score 739 · Answer 10 · 2018-02-27 02:24:55

739

Views

Compute $ A^2, A^3, A^4.$ Find a formula for $A^k$

Published on 27 Feb 2018 - 2:24

score 132 · Answer 11 · 2026-03-27 00:05:20

132

Views

Prove that every matrix in $\mathrm{GL}(2,\mathbb C)$ is a product of matrices of these four kinds

Published on 27 Mar 2026 - 0:05

score 277 · Answer 12 · 2026-03-22 04:02:24

277

Views

Show that if A is strictly diagonal dominant, then a submatrix of A is also strictly diagonal dominant.

Published on 22 Mar 2026 - 4:02

score 732 · Answer 13 · 2018-02-27 03:04:27

732

Views

(Euclidean) Norm of a vector with respect to some basis other than the standard basis

Published on 27 Feb 2018 - 3:04

score 241 · Answer 14 · 2018-02-27 03:12:31

241

Views

Is a linearly independent subset of a vector space still independent over a bigger field?

Published on 27 Feb 2018 - 3:12

score 355 · Answer 15 · 2026-03-25 04:54:56

355

Views

How to find the rank of a sudoku without row reduction?

Published on 25 Mar 2026 - 4:54

List Question

Eigenvalues of such matrix $A^2 = A^T$

Which equation system can be solved the fastest(orthogonal,spd,tridiagonal)?

Can unit vectors $i, j, $ and $k$ be elements of a group?

Weights appearing in a finite-dimensional module over semisimple Lie algebra

Show that this operator is linear.

Basis consisting of eigenvectors

How to calculate a general solution to a linear system from a kernel.

Grouping of terms in matrix exponent power series.

Suppose $F: V \to U$ is linear and $k$ is a nonzero scalar. Prove that the maps $F$ and $kF$ have the same kernel and the same image.

Compute $ A^2, A^3, A^4.$ Find a formula for $A^k$

Prove that every matrix in $\mathrm{GL}(2,\mathbb C)$ is a product of matrices of these four kinds

Show that if A is strictly diagonal dominant, then a submatrix of A is also strictly diagonal dominant.

(Euclidean) Norm of a vector with respect to some basis other than the standard basis

Is a linearly independent subset of a vector space still independent over a bigger field?

How to find the rank of a sudoku without row reduction?

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