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Sinh, Cosh and all that

• To: mathgroup at smc.vnet.net
• Subject: [mg2222] Sinh, Cosh and all that
• From: Kenny Breuer <breuer at mit.edu>
• Date: Tue, 17 Oct 1995 02:33:53 -0400
• Organization: M.I.T.

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