Question

Extract $[0 ... 2\pi$] rotation from $3\times 3$ homogeneous 2D transformation matrix

score 777 · Answer 1 · 2013-04-02 18:16:42

777

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Extract $[0 ... 2\pi$] rotation from $3\times 3$ homogeneous 2D transformation matrix

Published on 02 Apr 2013 - 18:16

score 363 · Answer 2 · 2026-03-26 09:41:14

363

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Prove a transformation is a variational symmetry for J

Published on 26 Mar 2026 - 9:41

score 12.7k · Answer 3 · 2026-03-29 06:33:46

12.7k

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transformation of integral from 0 to infinity to 0 to 1

Published on 29 Mar 2026 - 6:33

score 207 · Answer 4 · 2013-04-15 17:20:19

207

Views

Non-linear transformation preserving stereographic Riemannian metric on the sphere of radius R

Published on 15 Apr 2013 - 17:20

score 48.9k · Answer 5 · 2026-03-29 02:46:10

48.9k

Views

Value range of normalization methods? min-max, z-score, decimal scaling

Published on 29 Mar 2026 - 2:46

score 2.7k · Answer 6 · 2013-04-20 12:04:47

2.7k

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Find the standard matrix of the transformation $T:\mathbb{R}^2\to \mathbb{R}^2$ that corresponds to the reflection through the line

Published on 20 Apr 2013 - 12:04

score 87 · Answer 7 · 2013-04-20 14:57:16

87

Views

transforming a straight band into a logarithmic spiral

Published on 20 Apr 2013 - 14:57

score 234 · Answer 8 · 2013-04-20 21:01:45

234

Views

Find an orientation preserving isometry $f (z) = \frac{az+b}{cz+d}$ such that $f (i) = 17 + 3i$

Published on 20 Apr 2013 - 21:01

score 118 · Answer 9 · 2013-04-21 22:09:52

118

Views

Finding a hyperbolic isometry that fixes the point $x = 2$ and $x = 17$

Published on 21 Apr 2013 - 22:09

score 38 · Answer 10 · 2013-04-22 10:32:46

38

Views

(Kleiner) transform preserves smoothness class

Published on 22 Apr 2013 - 10:32

score 80 · Answer 11 · 2013-04-24 09:24:48

80

Views

How to find a new point on rectangle based on an known point on the same?

Published on 24 Apr 2013 - 9:24

score 768 · Answer 12 · 2013-04-24 13:06:28

768

Views

Hodograph transformation and implicit solution of a non-linear PDE

Published on 24 Apr 2013 - 13:06

score 70 · Answer 13 · 2013-04-24 16:42:58

70

Views

Identity for reducing the power in the parameters of Hypergeometric functions

Published on 24 Apr 2013 - 16:42

score 167 · Answer 14 · 2026-03-30 10:56:53

167

Views

image of a circle under conformal trasformation

Published on 30 Mar 2026 - 10:56

score 582 · Answer 15 · 2013-04-27 15:36:20

582

Views

One circle, two lines Apollonius' problem

Published on 27 Apr 2013 - 15:36

List Question

Extract $[0 ... 2\pi$] rotation from $3\times 3$ homogeneous 2D transformation matrix

Prove a transformation is a variational symmetry for J

transformation of integral from 0 to infinity to 0 to 1

Non-linear transformation preserving stereographic Riemannian metric on the sphere of radius R

Value range of normalization methods? min-max, z-score, decimal scaling

Find the standard matrix of the transformation $T:\mathbb{R}^2\to \mathbb{R}^2$ that corresponds to the reflection through the line

transforming a straight band into a logarithmic spiral

Find an orientation preserving isometry $f (z) = \frac{az+b}{cz+d}$ such that $f (i) = 17 + 3i$

Finding a hyperbolic isometry that fixes the point $x = 2$ and $x = 17$

(Kleiner) transform preserves smoothness class

How to find a new point on rectangle based on an known point on the same?

Hodograph transformation and implicit solution of a non-linear PDE

Identity for reducing the power in the parameters of Hypergeometric functions

image of a circle under conformal trasformation

One circle, two lines Apollonius' problem

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