Question

Linear Algebra - endomorphisms and bases

score 129 · Answer 1 · 2026-04-11 18:17:18

129

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Linear Algebra - endomorphisms and bases

Published on 11 Apr 2026 - 18:17

score 4.9k · Answer 2 · 2026-04-23 02:05:44

4.9k

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How to answer mathematical questions in the proper way

Published on 23 Apr 2026 - 2:05

score 318 · Answer 3 · 2026-05-10 16:01:06

318

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How to get a full $m$-by-$m$ matrix $U$ from a thin SVD?

Published on 10 May 2026 - 16:01

score 68 · Answer 4 · 2026-04-12 03:21:23

68

Views

factorizing polynomial algebraic equations

Published on 12 Apr 2026 - 3:21

score 173 · Answer 5 · 2026-04-23 02:00:40

173

Views

Linear (in)dependence of distinct nonzero exponential polynomials

Published on 23 Apr 2026 - 2:00

score 748 · Answer 6 · 2026-05-10 14:46:21

748

Views

Linear regression with 2 unknown intercepts

Published on 10 May 2026 - 14:46

score 44 · Answer 7 · 2026-05-10 18:22:58

44

Views

Is this matrix product positive semidefinite?

Published on 10 May 2026 - 18:22

score 46 · Answer 8 · 2026-04-13 22:29:22

46

Views

Can you find the result of a linear transformation by projecting a given vector onto known eigenvectors?

Published on 13 Apr 2026 - 22:29

score 67 · Answer 9 · 2026-04-16 11:12:31

67

Views

$\ker A \cap \ker B = \{0\} \implies (A^T A + \alpha B^T B)x = A^T b$ uniquely solvable

Published on 16 Apr 2026 - 11:12

score 89 · Answer 10 · 2026-04-12 06:13:35

89

Views

Linear Algebra, how to prove orthogonal?

Published on 12 Apr 2026 - 6:13

score 323 · Answer 11 · 2026-04-14 01:54:32

323

Views

Multivariate polynomials with infinite number of zeros

Published on 14 Apr 2026 - 1:54

score 226 · Answer 12 · 2026-04-14 10:36:40

226

Views

Eigenvalue of higher rank tensor

Published on 14 Apr 2026 - 10:36

score 386 · Answer 13 · 2026-05-10 20:51:56

386

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Geometric Effect of Multiplying an Orthogonal Matrix by a Non-Zero Vector

Published on 10 May 2026 - 20:51

score 447 · Answer 14 · 2026-04-16 13:13:43

447

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Prove that for any eigenvalue, its eigenspace is in direct sum with the sum of all other eigenspaces of distinct eigenvlaues.

Published on 16 Apr 2026 - 13:13

score 1.5k · Answer 15 · 2026-05-10 14:26:15

1.5k

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Restriction of a diagonalizable linear operator $T$ to any nontrivial $T$-invariant subspace is also diagonalizable using a given lemma.

Published on 10 May 2026 - 14:26

List Question

Linear Algebra - endomorphisms and bases

How to answer mathematical questions in the proper way

How to get a full $m$-by-$m$ matrix $U$ from a thin SVD?

factorizing polynomial algebraic equations

Linear (in)dependence of distinct nonzero exponential polynomials

Linear regression with 2 unknown intercepts

Is this matrix product positive semidefinite?

Can you find the result of a linear transformation by projecting a given vector onto known eigenvectors?

$\ker A \cap \ker B = \{0\} \implies (A^T A + \alpha B^T B)x = A^T b$ uniquely solvable

Linear Algebra, how to prove orthogonal?

Multivariate polynomials with infinite number of zeros

Eigenvalue of higher rank tensor

Geometric Effect of Multiplying an Orthogonal Matrix by a Non-Zero Vector

Prove that for any eigenvalue, its eigenspace is in direct sum with the sum of all other eigenspaces of distinct eigenvlaues.

Restriction of a diagonalizable linear operator $T$ to any nontrivial $T$-invariant subspace is also diagonalizable using a given lemma.

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