source: proiecte/pmake3d/make3d_original/Make3dSingleImageStanford_version0.1/third_party/qtfm/@quaternion/tanh.m @ 37

Last change on this file since 37 was 37, checked in by (none), 14 years ago

Added original make3d
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1function 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
8Y = 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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