Christian Rau

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691 reputation

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	location	Chemnitz, Germany
	age	26
visits	member for	2 years
	seen	May 14 at 15:05
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You can run, but you cannot glide!

C library for parameterization and geometry image creation

C++ library for half-precision floating-point computations

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21 Answers

votes activity newest

5	Orthogonal matrices, scalar products, projection of a line on a plane
5	Rotate Quaternion A by 180 degrees
4	The Euclidean norm \|\|r\|\| of a rotation
3	3D Rotation Matrix Uniqueness
2	How to get a projected 3d line segment, lie on another 3d line parallel to that line segment.

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691 Reputation

+5	Dihedral angles between tetrahedron faces from triangles' angles at the tip
+10	The Euclidean norm \|\|r\|\| of a rotation
+10	Rotate Quaternion A by 180 degrees
+10	Jacobian matrix of the Rodrigues' formula (exponential map)

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2 Questions

votes activity newest

2	Matrices for which $\mathbf{A}^{-1}=-\mathbf{A}$
1	Dihedral angles between tetrahedron faces from triangles' angles at the tip

23 Tags

10 matrices × 8	5 3d × 3
10 linear-algebra × 7	5 abstract-algebra
7 rotations × 4	4 euclidean-geometry
7 quaternions × 2	2 numerical-methods × 2
6 geometry × 6	2 numerical-linear-algebra × 2

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