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Why are quaternions used for rotations?
...ns versus a 3x3 rotation matrix, the quaternion has the advantage in size (4 scalars vs. 9) and speed (quaternion multiplication is much faster than 3x3 matrix multiplication).
Note that all of these representations of rotations are used in practice. Euler angles use the least memory; matrices use ...
How to elegantly ignore some return values of a MATLAB function?
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edited May 23 '17 at 11:46
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answered Apr 14 '09 at 13:04
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Get JSF managed bean by name in any Servlet related class
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BalusCBalusC
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Looping through array and removing items, without breaking for loop
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Is it correct to use DIV inside FORM?
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edited Sep 13 '15 at 15:24
answered Mar 30 '12 at 12:03
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How to install python3 version of package via pip on Ubuntu?
I have both python2.7 and python3.2 installed in Ubuntu 12.04 .
The symbolic link python links to python2.7 .
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Git: Permission denied (publickey) fatal - Could not read from remote repository. while cloning Git
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edited May 23 '17 at 11:47
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answered Jan 21 '14 at 12:58
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Find the most frequent number in a numpy vector
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– Fred Foo
Jun 6 '11 at 13:14
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“message failed to fetch from registry” while trying to install any module
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Javascript Equivalent to C# LINQ Select
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JohanJohan
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