Question

What is solution to this vector problem?

score 94 · Answer 1 · 2026-03-25 14:19:17

94

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What is solution to this vector problem?

Published on 25 Mar 2026 - 14:19

score 2.9k · Answer 2 · 2026-03-26 02:52:02

2.9k

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Power method convergence proof

Published on 26 Mar 2026 - 2:52

score 58 · Answer 3 · 2026-03-25 06:12:17

58

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$(a\vec{x}+b\vec{v})$ and $(b\vec{x}+a\vec{v})$ are orthogonal. How would you show that $\vec{x}=\vec{0}=\vec{v}$

Published on 25 Mar 2026 - 6:12

score 94 · Answer 4 · 2026-03-25 11:52:47

94

Views

Proof of injectivity,

Published on 25 Mar 2026 - 11:52

score 13.8k · Answer 5 · 2018-01-30 22:15:27

13.8k

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How does one prove that $ABA^{−1} = B$ given that A is an invertible matrix?

Published on 30 Jan 2018 - 22:15

score 414 · Answer 6 · 2026-03-26 03:00:13

414

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"Backwards-circulant" matrices. Can we model their eigensystem?

Published on 26 Mar 2026 - 3:00

score 89 · Answer 7 · 2026-03-25 11:11:40

89

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How to find third point of triangle with specific area?

Published on 25 Mar 2026 - 11:11

score 78 · Answer 8 · 2018-01-30 23:25:10

78

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Show that $\{u,v,w\} \neq 〈{u+v, u+v+w, u+v+ 2w}〉$

Published on 30 Jan 2018 - 23:25

score 1k · Answer 9 · 2026-03-22 16:04:03

1k

Views

Euclidean algorithm matrix proof

Published on 22 Mar 2026 - 16:04

score 510 · Answer 10 · 2018-01-31 00:07:50

510

Views

With the next equation system, find possible values for $\frac{x}{y}$

Published on 31 Jan 2018 - 0:07

score 532 · Answer 11 · 2026-03-24 11:52:07

532

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Can a linear subspace in Banach space be the union of several other subspaces?

Published on 24 Mar 2026 - 11:52

score 144 · Answer 12 · 2026-03-25 19:05:04

144

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Given matrix $A$ and $B$, if matrix $B$ is not invertible what is matrix $C$ if $BC = A$?

Published on 25 Mar 2026 - 19:05

score 153 · Answer 13 · 2018-01-31 01:35:34

Find 2 by 3 matrix M such that M $\begin{pmatrix}a \\ b \\ c\end{pmatrix}= \begin{pmatrix}d \\ e\end{pmatrix}$ whenever $(ax^2+bx + c)'=dx+e$

score 367 · Answer 14 · 2026-03-22 13:14:12

367

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Use the definition of matrix multiplication to explain why the analogous result holds for any entry of Adjacency Matrix $A^2$.

Published on 22 Mar 2026 - 13:14

score 139 · Answer 15 · 2026-03-25 11:15:54

139

Views

The polynomials $X^k(X-1)^{n-k}$ form a basis of $\mathbb{R_n}[X]$

Published on 25 Mar 2026 - 11:15

List Question

What is solution to this vector problem?

Power method convergence proof

$(a\vec{x}+b\vec{v})$ and $(b\vec{x}+a\vec{v})$ are orthogonal. How would you show that $\vec{x}=\vec{0}=\vec{v}$

Proof of injectivity,

How does one prove that $ABA^{−1} = B$ given that A is an invertible matrix?

"Backwards-circulant" matrices. Can we model their eigensystem?

How to find third point of triangle with specific area?

Show that $\{u,v,w\} \neq 〈{u+v, u+v+w, u+v+ 2w}〉$

Euclidean algorithm matrix proof

With the next equation system, find possible values for $\frac{x}{y}$

Can a linear subspace in Banach space be the union of several other subspaces?

Given matrix $A$ and $B$, if matrix $B$ is not invertible what is matrix $C$ if $BC = A$?

Find 2 by 3 matrix M such that M $\begin{pmatrix}a \\ b \\ c\end{pmatrix}= \begin{pmatrix}d \\ e\end{pmatrix}$ whenever $(ax^2+bx + c)'=dx+e$

Use the definition of matrix multiplication to explain why the analogous result holds for any entry of Adjacency Matrix $A^2$.

The polynomials $X^k(X-1)^{n-k}$ form a basis of $\mathbb{R_n}[X]$

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