source:
proiecte/pmake3d/make3d_original/Make3dSingleImageStanford_version0.1/third_party/qtfm/@quaternion/tanh.m
Last change on this file was 37, checked in by , 15 years ago | |
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File size: 396 bytes |
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1 | function Y = tanh(X) |
2 | % TANH Hyperbolic tangent. |
3 | % (Quaternion overloading of standard Matlab function.) |
4 | |
5 | % Copyright © 2006 Stephen J. Sangwine and Nicolas Le Bihan. |
6 | % See the file : Copyright.m for further details. |
7 | |
8 | Y = sinh(X) ./ cosh(X); |
9 | |
10 | % Note. This may not be the best way to implement tanh, |
11 | % but it has the merit of simplicity and will work for |
12 | % all cases for which sinh and cosh work. |
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