Question

Swapping two rows changes the sign of the determinant proof using induction

score 2.1k · Answer 1 · 2026-03-26 01:07:42

2.1k

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Swapping two rows changes the sign of the determinant proof using induction

Published on 26 Mar 2026 - 1:07

score 257 · Answer 2 · 2026-04-02 16:25:33

257

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Simplifying Product of Kronecker Delta Functions

Published on 02 Apr 2026 - 16:25

score 570 · Answer 3 · 2018-02-13 05:07:42

570

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$\mathrm{card}(\mathbb{Z}^n/M\mathbb{Z}^n) = |\det(M)|$?

Published on 13 Feb 2018 - 5:07

score 110 · Answer 4 · 2026-03-26 12:35:51

110

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Eigenvalues of a $2\times 2$ transition matrix $P$

Published on 26 Mar 2026 - 12:35

score 83 · Answer 5 · 2026-03-25 23:42:16

83

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Is the determinant of $\lambda I-A$ product of diagonal entries, if for every $\sigma\neq \sigma_0$, $a_{1\sigma(1)}\dots a_{n\sigma(n)}=0,$?

Published on 25 Mar 2026 - 23:42

score 29 · Answer 6 · 2026-03-25 20:36:38

29

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What is the dimension of the solution vector space for $M=-M^t$ ($M\in M_{n\times n}^{\mathbb{C}})$?

Published on 25 Mar 2026 - 20:36

score 49 · Answer 7 · 2026-03-25 01:05:06

49

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Greatest elements of the column and the least elements of the row of a Matrix

Published on 25 Mar 2026 - 1:05

score 359 · Answer 8 · 2026-03-27 15:30:43

359

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Derivative involving trace and Kronecker product

Published on 27 Mar 2026 - 15:30

score 102 · Answer 9 · 2026-03-26 17:32:55

102

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linear combination of the eigenvectors of matrix M

Published on 26 Mar 2026 - 17:32

score 213 · Answer 10 · 2026-03-25 15:12:11

213

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Provig that the number $z_n$ of zero element of $A^{-1} $ satisfies $z_n\le n^2-2n$

Published on 25 Mar 2026 - 15:12

score 39 · Answer 11 · 2026-03-31 05:36:44

39

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Distance of a vector from a contained subspace (within another supspace)

Published on 31 Mar 2026 - 5:36

score 287 · Answer 12 · 2026-03-24 23:42:42

287

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Rotation matrix to map two congruent triangles

Published on 24 Mar 2026 - 23:42

score 543 · Answer 13 · 2026-03-26 03:18:37

543

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Translate two points from one axis to another?

Published on 26 Mar 2026 - 3:18

score 206 · Answer 14 · 2026-03-25 23:36:50

206

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Prove that this $3 \times 3$ determinant vanishes

Published on 25 Mar 2026 - 23:36

score 1.7k · Answer 15 · 2026-03-26 15:17:20

1.7k

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Upper bound of norm of matrix difference

Published on 26 Mar 2026 - 15:17

List Question

Swapping two rows changes the sign of the determinant proof using induction

Simplifying Product of Kronecker Delta Functions

$\mathrm{card}(\mathbb{Z}^n/M\mathbb{Z}^n) = |\det(M)|$?

Eigenvalues of a $2\times 2$ transition matrix $P$

Is the determinant of $\lambda I-A$ product of diagonal entries, if for every $\sigma\neq \sigma_0$, $a_{1\sigma(1)}\dots a_{n\sigma(n)}=0,$?

What is the dimension of the solution vector space for $M=-M^t$ ($M\in M_{n\times n}^{\mathbb{C}})$?

Greatest elements of the column and the least elements of the row of a Matrix

Derivative involving trace and Kronecker product

linear combination of the eigenvectors of matrix M

Provig that the number $z_n$ of zero element of $A^{-1} $ satisfies $z_n\le n^2-2n$

Distance of a vector from a contained subspace (within another supspace)

Rotation matrix to map two congruent triangles

Translate two points from one axis to another?

Prove that this $3 \times 3$ determinant vanishes

Upper bound of norm of matrix difference

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