Question

Let $B_1$ be some basis of $\mathbb{R^3}$ and $B_2$ be the ONB produced by $B_1$ after the Gram-schmidt process

score 77 · Answer 1 · 2026-04-24 19:23:37

77

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Let $B_1$ be some basis of $\mathbb{R^3}$ and $B_2$ be the ONB produced by $B_1$ after the Gram-schmidt process

Published on 24 Apr 2026 - 19:23

score 34 · Answer 2 · 2026-04-13 17:00:55

34

Views

Calculating Jordan basis for generalised eigenspaces where the algebraic and geometric multiplicities are high

Published on 13 Apr 2026 - 17:00

score 197 · Answer 3 · 2026-04-17 04:37:40

197

Views

f displays vector to orthogonal vector, then exists orthogonal map g so that λ $\epsilon$ $R_{>0}$ and f=λg

Published on 17 Apr 2026 - 4:37

score 64 · Answer 4 · 2026-05-10 17:08:43

64

Views

Shortcut to finding invariant subspaces

Published on 10 May 2026 - 17:08

score 807 · Answer 5 · 2026-04-11 10:26:40

807

Views

How to find the matrix of $T$ with respect to the standard basis of $\mathbb{R}^3$

Published on 11 Apr 2026 - 10:26

score 3.5k · Answer 6 · 2026-04-14 11:23:38

3.5k

Views

Why $A$ invertible $\iff \det A\neq 0$

Published on 14 Apr 2026 - 11:23

score 404 · Answer 7 · 2026-05-11 09:35:32

404

Views

Find A-3I inverse if you have characteristic polynomial and matrix S,D such that $SDS^T=A$

Published on 11 May 2026 - 9:35

score 54 · Answer 8 · 2026-04-11 07:51:53

54

Views

norm of $AUx$ for unitary $U$

Published on 11 Apr 2026 - 7:51

score 932 · Answer 9 · 2026-05-10 15:08:15

932

Views

rank of a rectangular Vandermonde matrix

Published on 10 May 2026 - 15:08

score 448 · Answer 10 · 2026-04-17 05:41:47

448

Views

Span of two vectors - confusion

Published on 17 Apr 2026 - 5:41

score 183 · Answer 11 · 2026-04-12 15:15:38

183

Views

can a subspace of $\mathbb{R}^n$ lies only on the positive orthant?

Published on 12 Apr 2026 - 15:15

score 441 · Answer 12 · 2026-05-11 08:34:41

441

Views

How the dual basis is used to transform a vector to a scalar?

Published on 11 May 2026 - 8:34

score 218 · Answer 13 · 2026-05-11 03:27:09

218

Views

Let $A$ symmetric matrix, and $A^2\ne I$.

Published on 11 May 2026 - 3:27

score 779 · Answer 14 · 2026-05-11 02:47:57

779

Views

Rank of a Vandermonde matrix

Published on 11 May 2026 - 2:47

score 81 · Answer 15 · 2026-04-24 20:57:39

81

Views

Looking for $H$ such that $H'DH=\sigma_1 I$ and $H'H=\sigma_2 I$, $D$ is a diagonal matrix.

Published on 24 Apr 2026 - 20:57

List Question

Let $B_1$ be some basis of $\mathbb{R^3}$ and $B_2$ be the ONB produced by $B_1$ after the Gram-schmidt process

Calculating Jordan basis for generalised eigenspaces where the algebraic and geometric multiplicities are high

f displays vector to orthogonal vector, then exists orthogonal map g so that λ $\epsilon$ $R_{>0}$ and f=λg

Shortcut to finding invariant subspaces

How to find the matrix of $T$ with respect to the standard basis of $\mathbb{R}^3$

Why $A$ invertible $\iff \det A\neq 0$

Find A-3I inverse if you have characteristic polynomial and matrix S,D such that $SDS^T=A$

norm of $AUx$ for unitary $U$

rank of a rectangular Vandermonde matrix

Span of two vectors - confusion

can a subspace of $\mathbb{R}^n$ lies only on the positive orthant?

How the dual basis is used to transform a vector to a scalar?

Let $A$ symmetric matrix, and $A^2\ne I$.

Rank of a Vandermonde matrix

Looking for $H$ such that $H'DH=\sigma_1 I$ and $H'H=\sigma_2 I$, $D$ is a diagonal matrix.

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