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  • Committer: Bazaar Package Importer
  • Author(s): Torsten Werner
  • Date: 2002-03-21 16:57:43 UTC
  • Revision ID: james.westby@ubuntu.com-20020321165743-e9mv12c1tb1plztg
Tags: upstream-2.6
Import upstream version 2.6

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macros/elem/tanh.sci
 
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function t=tanh(x)
 
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//Element wise Hyperbolic tangent
 
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// Copyright INRIA
 
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if type(x)<>1 then error(53),end
 
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t1=exp(x);t2=exp(-x);
 
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t=(t1-t2)./(t1+t2);
 
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k=find(isnan(t))
 
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t(k)=sign(real(x(k)))