List questions from geometric-transformation

Published on 20 Feb 2021 - 16:06

295

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Geometric transformations in Olympiad problems - Putnam 2001, A-4

Published on 09 Mar 2021 - 14:11

124

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Calculate the measure in degrees of the acute angle formed by $ NMA $?

Published on 19 Mar 2021 - 12:49

58

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Although the transformation $t: x^2 \rightarrow x^2 + \frac{1}{x^2+1} - 1$ is not a linear transformation, is it another sort of transformation?

Published on 29 Mar 2021 - 20:18

249

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Geometry problem proving that all lines $DE$ passes through one point

Published on 25 Apr 2021 - 11:32

178

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On the proof about the dimension of the conformal group of a manifold

Published on 29 Apr 2021 - 5:03

1.4k

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How to figure out the transformation matrix for rotation and then sheer?

Published on 29 Apr 2021 - 16:04

98

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Question about a series of distance preserving transformations on points

Published on 02 May 2021 - 8:00

151

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Show that projective lines pass through a fixed point

Published on 16 May 2021 - 10:18

47

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Transformation properties of surface measures under flow maps - Alternativ to Nanson's formula

Published on 25 Jun 2021 - 20:57

57

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Show that it is a point reflection at $A$.

Published on 27 Jun 2021 - 8:21

57

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Name for the relation between two surfaces when one is equal to the other after an affine transform

Published on 08 Jul 2021 - 20:06

173

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non-rigid transformation for data correction

Published on 19 Jul 2021 - 19:10

41

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How can I extract the equations from this 3D projection graph?

Published on 25 Mar 2026 - 22:02

106

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How could a "fan-shaped" transformation of the angles be mathematically described?

Published on 06 Sep 2021 - 17:30

List Question

Midpoints of diagonals

Geometric transformations in Olympiad problems - Putnam 2001, A-4

Calculate the measure in degrees of the acute angle formed by $ NMA $?

Although the transformation $t: x^2 \rightarrow x^2 + \frac{1}{x^2+1} - 1$ is not a linear transformation, is it another sort of transformation?

Geometry problem proving that all lines $DE$ passes through one point

On the proof about the dimension of the conformal group of a manifold

How to figure out the transformation matrix for rotation and then sheer?

Question about a series of distance preserving transformations on points

Show that projective lines pass through a fixed point

Transformation properties of surface measures under flow maps - Alternativ to Nanson's formula

Show that it is a point reflection at $A$.

Name for the relation between two surfaces when one is equal to the other after an affine transform

non-rigid transformation for data correction

How can I extract the equations from this 3D projection graph?

How could a "fan-shaped" transformation of the angles be mathematically described?

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