Question

How to extract rotation matrix and scale vector from a 3D affine transformation?

score 3.4k · Answer 1 · 2018-11-08 17:32:51

3.4k

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How to extract rotation matrix and scale vector from a 3D affine transformation?

Published on 08 Nov 2018 - 17:32

score 96 · Answer 2 · 2018-11-18 13:55:36

96

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Show that $U := \{ v ∈ \Bbb R^n : ∀ u ∈ U : 〈 v , u 〉 = c \} $ is an affine subspace

Published on 18 Nov 2018 - 13:55

score 82 · Answer 3 · 2018-11-21 22:16:06

82

Views

Topological analogue of Zariski's Main Theorem?

Published on 21 Nov 2018 - 22:16

score 258 · Answer 4 · 2018-11-24 16:19:08

258

Views

Find all invariant lines of an affine transformation in plane

Published on 24 Nov 2018 - 16:19

score 66 · Answer 5 · 2018-11-28 04:17:43

66

Views

What does Einstein mean by saying that equations of transformation are homogeneous?

Published on 28 Nov 2018 - 4:17

score 161 · Answer 6 · 2018-12-02 00:05:06

161

Views

Connection/Consistency Between Different Definitions of Polyhedron? And How Does This Proof Apply to This Definition?

Published on 02 Dec 2018 - 0:05

score 1.4k · Answer 7 · 2018-12-03 17:52:56

1.4k

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Affine transformation from Points from 3d to 2d

Published on 03 Dec 2018 - 17:52

score 572 · Answer 8 · 2018-12-05 14:16:47

572

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Intersection of n hyperplanes in $\mathbb{R}^n$

Published on 05 Dec 2018 - 14:16

score 150 · Answer 9 · 2026-03-25 09:27:37

150

Views

Showing affine transformations group generated by $2x$ and $x+1$ is the Baumslag-Solitar group.

Published on 25 Mar 2026 - 9:27

score 657 · Answer 10 · 2018-12-11 04:50:08

657

Views

Prove a set $V$ is not algebraic

Published on 11 Dec 2018 - 4:50

score 1.2k · Answer 11 · 2026-03-25 07:54:21

1.2k

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Identifying the Plane at Infinity in the World Necessitates Determining the Affine Geometry of the World?

Published on 25 Mar 2026 - 7:54

score 171 · Answer 12 · 2018-12-15 16:36:48

171

Views

Coxeter, Introduction to Geometry, ordered geometry, parallelism of rays and lines

Published on 15 Dec 2018 - 16:36

score 180 · Answer 13 · 2026-02-23 12:02:27

180

Views

What means ''direction'' in hyperbolic geometry?

Published on 23 Feb 2026 - 12:02

score 35 · Answer 14 · 2018-12-19 04:31:29

35

Views

Codimension of a subset of $Hom(E,F)$

Published on 19 Dec 2018 - 4:31

score 185 · Answer 15 · 2026-03-25 16:02:23

185

Views

$GL(n,G)$ General Linear group of a group $G$?

Published on 25 Mar 2026 - 16:02

List Question

How to extract rotation matrix and scale vector from a 3D affine transformation?

Show that $U := \{ v ∈ \Bbb R^n : ∀ u ∈ U : 〈 v , u 〉 = c \} $ is an affine subspace

Topological analogue of Zariski's Main Theorem?

Find all invariant lines of an affine transformation in plane

What does Einstein mean by saying that equations of transformation are homogeneous?

Connection/Consistency Between Different Definitions of Polyhedron? And How Does This Proof Apply to This Definition?

Affine transformation from Points from 3d to 2d

Intersection of n hyperplanes in $\mathbb{R}^n$

Showing affine transformations group generated by $2x$ and $x+1$ is the Baumslag-Solitar group.

Prove a set $V$ is not algebraic

Identifying the Plane at Infinity in the World Necessitates Determining the Affine Geometry of the World?

Coxeter, Introduction to Geometry, ordered geometry, parallelism of rays and lines

What means ''direction'' in hyperbolic geometry?

Codimension of a subset of $Hom(E,F)$

$GL(n,G)$ General Linear group of a group $G$?

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