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From "Hunsberger, Peter" <Peter.Hunsber...@stjude.org>
Subject RE: [RT] Adaptive Caching
Date Wed, 16 Jul 2003 20:36:21 GMT
Berin Loritsch <bloritsch@apache.org> asks:

> Speaking of accademic, anyone have a Java implementation of 
> tanh(x)?  The java.lang.Math class only has tan(x) or 
> atan(x), but no hyperbolic function.

Spoke to soon, Google search digs it up: 

	http://www.bsdg.org/swag/MATH/0067.PAS.html

Yields:

 TANH := SINH(x)/COSH(x);

 SINH := (EXP(x)-EXP(-x))/2;

 COSH := (EXP(x)+EXP(-x))/2;


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