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Sinh, Cosh and all that

• Subject: [mg2222] Sinh, Cosh and all that
• From: breuer at mit.edu (Kenny Breuer)
• Date: Tue, 17 Oct 1995 06:33:53 GMT
• Approved: usenet@wri.com
• Distribution: local
• Newsgroups: wri.mathgroup
• Organization: M.I.T.
• Sender: daemon at wri.com ( )

I'm looking for a set of transformation rules that will convert
expoentials to hyperbolic functions (analagous to the function
ComplexToTrig in the Trigonometry package)

For example:
In:	ConvertToHyp[ Exp[3x] + Exp[-3x] ]

Out:   2 Cosh[3x]

Thanks

Kenny Breuer
breuer@mit