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math/

tanh.pro

toptanh

Math

result = tanh(x)

Calculates the hyperbolic tan function (tanh).

Return value

sinh(X) / cosh(X)

Parameters

x in required

Argument to tanh (may be an array).

Examples

IDL> PRINT, TANH(1.) 0.761594

Author information

History:

Written by: Jeremy Bailin 12 June 2008 Public release in JBIU

File attributes

Modifcation date: Fri Jun 13 10:51:54 2008
Lines: 33
Produced by IDLdoc 3.0.1 on Thu Apr 16 13:56:53 2009 IDLdoc project information