Christian Rau

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634 reputation

29

bio	website	opengi.sourceforge.net
	location	Chemnitz, Germany
	age	25
visits	member for	1 year
	seen	2 days ago
stats	profile views	93

You can run, but you cannot glide!

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21 Answers

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

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634 Reputation

+10	3D Rotation Matrix Uniqueness
+10	Rotate Quaternion A by 180 degrees
+10	Multiplying double-centered matrix to a unit vector
+2	I have to show that the matrix $M^TM$ is SPD if and only if the columns of the matrix M are linearly independent

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1 Question

votes activity newest

2	Matrices for which $\mathbf{A}^{-1}=-\mathbf{A}$

23 Tags

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

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$Mathematics$	Mathematics	634 rep	29
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241 Votes Cast

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240	up		106	question
1	down		135	answer

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