source:
proiecte/pmake3d/make3d_original/Make3dSingleImageStanford_version0.1/third_party/qtfm/@quaternion/s.m
Last change on this file was 37, checked in by , 15 years ago | |
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File size: 406 bytes |
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1 | function x = s(q) |
2 | % S(Q) Scalar part of a full quaternion. |
3 | |
4 | % Copyright © 2005 Stephen J. Sangwine and Nicolas Le Bihan. |
5 | % See the file : Copyright.m for further details. |
6 | |
7 | % error(nargchk(1, 1, nargin)), error(nargoutchk(0, 1, nargout)) |
8 | |
9 | % This function is written in terms of its private counterpart |
10 | % so that the underlying representation of a quaternion is a |
11 | % private aspect of the class. |
12 | |
13 | x = ess(q); |
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