Question

Let $0≠v∈\mathbb R^2$. Compute the angle between $v$ and $Av$ where $A$ is a matrix

score 76 · Answer 1 · 2018-06-02 08:37:48

76

Views

Let $0≠v∈\mathbb R^2$. Compute the angle between $v$ and $Av$ where $A$ is a matrix

Published on 02 Jun 2018 - 8:37

score 168 · Answer 2 · 2018-06-02 10:40:28

168

Views

Calculate the $Ker(L_1)$

Published on 02 Jun 2018 - 10:40

score 437 · Answer 3 · 2018-06-02 12:06:04

437

Views

Which of the following three sets are closed under addition?

Published on 02 Jun 2018 - 12:06

score 46 · Answer 4 · 2018-06-02 15:39:43

46

Views

Show that the "calculation rule" is wrong for the given scalar product

Published on 02 Jun 2018 - 15:39

score 128 · Answer 5 · 2018-06-02 16:45:27

128

Views

Show that this is not true: $\left\langle\vec{u},\vec{v}\right\rangle^2=\vec{u}^2\cdot\vec{v}^2$

Published on 02 Jun 2018 - 16:45

score 1.5k · Answer 6 · 2018-06-02 20:13:40

1.5k

Views

Determine the Gramian matrix in terms of the standard basis $B^3_0$

Published on 02 Jun 2018 - 20:13

score 939 · Answer 7 · 2026-03-25 06:21:05

939

Views

Gram-Schmidt Orthogonalization for lattices in matrix form, how it works?

Published on 25 Mar 2026 - 6:21

score 167 · Answer 8 · 2026-03-27 00:55:12

167

Views

Gauss plane and vector module calculation

Published on 27 Mar 2026 - 0:55

score 1.1k · Answer 9 · 2026-03-25 06:13:08

1.1k

Views

Any non-trivial $T$-invariant subspace of $V$ contains an eigenvector of $T.$

Published on 25 Mar 2026 - 6:13

score 112 · Answer 10 · 2018-06-03 19:06:42

112

Views

What is a result of tensor product between two same vector spaces?

Published on 03 Jun 2018 - 19:06

score 444 · Answer 11 · 2018-06-04 04:06:29

444

Views

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

Published on 04 Jun 2018 - 4:06

score 1.5k · Answer 12 · 2026-03-25 06:12:12

1.5k

Views

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

Published on 25 Mar 2026 - 6:12

score 654 · Answer 13 · 2026-03-25 06:17:05

654

Views

Bounding rectangle for a triangle and normalized coordinates

Published on 25 Mar 2026 - 6:17

score 80 · Answer 14 · 2026-03-26 12:34:07

80

Views

Finding a subspace $\ U \oplus T= R^4 $

Published on 26 Mar 2026 - 12:34

score 286 · Answer 15 · 2026-03-26 04:53:19

286

Views

The set of all nonempty and convex subsets of $\mathbb{R}$ is a vector space...

Published on 26 Mar 2026 - 4:53

List Question

Let $0≠v∈\mathbb R^2$. Compute the angle between $v$ and $Av$ where $A$ is a matrix

Calculate the $Ker(L_1)$

Which of the following three sets are closed under addition?

Show that the "calculation rule" is wrong for the given scalar product

Show that this is not true: $\left\langle\vec{u},\vec{v}\right\rangle^2=\vec{u}^2\cdot\vec{v}^2$

Determine the Gramian matrix in terms of the standard basis $B^3_0$

Gram-Schmidt Orthogonalization for lattices in matrix form, how it works?

Gauss plane and vector module calculation

Any non-trivial $T$-invariant subspace of $V$ contains an eigenvector of $T.$

What is a result of tensor product between two same vector spaces?

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.

Bounding rectangle for a triangle and normalized coordinates

Finding a subspace $\ U \oplus T= R^4 $

The set of all nonempty and convex subsets of $\mathbb{R}$ is a vector space...

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