Question

Using the standard basis of $\mathbb{R}^2$, determine the matrix of each of the following linear transformations

score 1.7k · Answer 1 · 2016-09-04 01:28:15

1.7k

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Using the standard basis of $\mathbb{R}^2$, determine the matrix of each of the following linear transformations

Published on 04 Sep 2016 - 1:28

score 46 · Answer 2 · 2016-09-07 16:15:13

46

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Get the reflection of a POINT M[row][col] on a SQUARE matrix M, of size N

Published on 07 Sep 2016 - 16:15

score 304 · Answer 3 · 2016-09-10 05:21:28

304

Views

Point Reflection Across Line

Published on 10 Sep 2016 - 5:21

score 584 · Answer 4 · 2016-09-16 07:59:26

584

Views

Relation between reflections and rotations of a regular n-gon

Published on 16 Sep 2016 - 7:59

score 316 · Answer 5 · 2026-03-25 12:53:53

316

Views

How to calculate the reflection of a root system?

Published on 25 Mar 2026 - 12:53

score 69 · Answer 6 · 2026-03-25 07:44:01

69

Views

Why the Artin braid group is a quotient of the corresponding reflection group?

Published on 25 Mar 2026 - 7:44

score 322 · Answer 7 · 2016-10-06 03:38:35

322

Views

Rotation or Reflection?

Published on 06 Oct 2016 - 3:38

score 164 · Answer 8 · 2026-03-25 11:12:23

164

Views

Are adjacent elements always comparable in the Bruhat order?

Published on 25 Mar 2026 - 11:12

score 250 · Answer 9 · 2016-10-07 23:02:04

250

Views

Isometries (reflection matrix) and eigenvectors

Published on 07 Oct 2016 - 23:02

score 426 · Answer 10 · 2016-10-10 04:39:06

426

Views

On Householder Reflectors.

Published on 10 Oct 2016 - 4:39

score 444 · Answer 11 · 2016-10-17 21:54:06

444

Views

Periodic light rays in ellipse

Published on 17 Oct 2016 - 21:54

score 86 · Answer 12 · 2016-10-22 16:49:55

86

Views

Let $A$ be the $2\times 2$ matrix representing the reflection in the line $y=2x$. What are the eigenvalues of $A$?

Published on 22 Oct 2016 - 16:49

score 64 · Answer 13 · 2016-10-24 14:27:49

64

Views

Set in $\mathbb R^²$ with an axis of symmetry in every direction

Published on 24 Oct 2016 - 14:27

score 150 · Answer 14 · 2026-03-25 14:20:16

150

Views

Finite reflection groups in a Euclidean space

Published on 25 Mar 2026 - 14:20

score 61 · Answer 15 · 2026-03-25 14:20:59

61

Views

In type $B_n$, is $s_\beta(\alpha)=\alpha+\sqrt{2}\beta$?

Published on 25 Mar 2026 - 14:20

List Question

Using the standard basis of $\mathbb{R}^2$, determine the matrix of each of the following linear transformations

Get the reflection of a POINT M[row][col] on a SQUARE matrix M, of size N

Point Reflection Across Line

Relation between reflections and rotations of a regular n-gon

How to calculate the reflection of a root system?

Why the Artin braid group is a quotient of the corresponding reflection group?

Rotation or Reflection?

Are adjacent elements always comparable in the Bruhat order?

Isometries (reflection matrix) and eigenvectors

On Householder Reflectors.

Periodic light rays in ellipse

Let $A$ be the $2\times 2$ matrix representing the reflection in the line $y=2x$. What are the eigenvalues of $A$?

Set in $\mathbb R^²$ with an axis of symmetry in every direction

Finite reflection groups in a Euclidean space

In type $B_n$, is $s_\beta(\alpha)=\alpha+\sqrt{2}\beta$?

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