Question

Conclusions from Matrix multiplication commutation

score 577 · Answer 1 · 2018-03-06 15:05:02

577

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Conclusions from Matrix multiplication commutation

Published on 06 Mar 2018 - 15:05

score 1.5k · Answer 2 · 2018-03-06 15:13:56

1.5k

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Is $x^TAy = y^TAx$ for any matrix $A$?

Published on 06 Mar 2018 - 15:13

score 253 · Answer 3 · 2026-03-24 23:41:01

253

Views

Given generalized eigenvalues/eigenvectors obtain standard eigenvalues/eigenvectors

Published on 24 Mar 2026 - 23:41

score 85 · Answer 4 · 2026-03-26 09:42:21

85

Views

Algorithm to solve rank k perturbation of system of equations with identity

Published on 26 Mar 2026 - 9:42

score 333 · Answer 5 · 2026-03-27 06:32:57

333

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Is this a Hurwitz matrix?

Published on 27 Mar 2026 - 6:32

score 1.2k · Answer 6 · 2026-03-25 16:43:44

1.2k

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Roots of linearly independent solutions of homogeneous ODE 2

Published on 25 Mar 2026 - 16:43

score 46 · Answer 7 · 2018-03-06 16:32:31

46

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Laplacian of a vector $\Delta\cdot b$, where $b=(-\sin\phi , \cos\phi , 0)$

Published on 06 Mar 2018 - 16:32

score 3.5k · Answer 8 · 2026-03-23 06:14:36

3.5k

Views

If $AA^T$ is a diagonal matrix, what can be said about $A^TA$?

Published on 23 Mar 2026 - 6:14

score 44 · Answer 9 · 2026-03-25 19:00:50

44

Views

Basic property of modular arithmetic equations

Published on 25 Mar 2026 - 19:00

score 604 · Answer 10 · 2026-03-25 14:15:48

604

Views

Random position within overlapping circles (Venn Diagram)

Published on 25 Mar 2026 - 14:15

score 1.3k · Answer 11 · 2026-03-27 19:32:35

1.3k

Views

Formula calculating airplane flight times from point A to point B

Published on 27 Mar 2026 - 19:32

score 50 · Answer 12 · 2026-04-01 07:11:17

50

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Find a vector $x \in \mathbb{R}^n$ such that $x \neq 0$, $x_1w_1 + \dots + x_nw_n \approx 0$ and $x \approx z$

Published on 01 Apr 2026 - 7:11

score 167 · Answer 13 · 2026-03-26 12:37:27

167

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$p,q,r$ three projections; show that if $p+q+r = 0$, then $p =q =r =0$

Published on 26 Mar 2026 - 12:37

score 137 · Answer 14 · 2018-03-06 20:48:58

137

Views

How can you iterate though an arbitrary parametric line in a cartesian grid?

Published on 06 Mar 2018 - 20:48

score 75 · Answer 15 · 2026-03-29 04:41:42

75

Views

Why does Jacobi method only converge for one of these two equivalent ways of stating a problem?

Published on 29 Mar 2026 - 4:41

List Question

Conclusions from Matrix multiplication commutation

Is $x^TAy = y^TAx$ for any matrix $A$?

Given generalized eigenvalues/eigenvectors obtain standard eigenvalues/eigenvectors

Algorithm to solve rank k perturbation of system of equations with identity

Is this a Hurwitz matrix?

Roots of linearly independent solutions of homogeneous ODE 2

Laplacian of a vector $\Delta\cdot b$, where $b=(-\sin\phi , \cos\phi , 0)$

If $AA^T$ is a diagonal matrix, what can be said about $A^TA$?

Basic property of modular arithmetic equations

Random position within overlapping circles (Venn Diagram)

Formula calculating airplane flight times from point A to point B

Find a vector $x \in \mathbb{R}^n$ such that $x \neq 0$, $x_1w_1 + \dots + x_nw_n \approx 0$ and $x \approx z$

$p,q,r$ three projections; show that if $p+q+r = 0$, then $p =q =r =0$

How can you iterate though an arbitrary parametric line in a cartesian grid?

Why does Jacobi method only converge for one of these two equivalent ways of stating a problem?

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