Integrating hyperbolic functions
- To: mathgroup at yoda.ncsa.uiuc.edu
- Subject: Integrating hyperbolic functions
- From: ken yip <yip-ken at CS.YALE.EDU>
- Date: Sat, 17 Nov 90 16:07:48 EST
Is there a way to prevent Mathematica to turn a hyperbolic function (e.g. Cosh) into exponentials? I want to have: Integrate[Cosh[x],x] ==> Sinh[x] I tried to define an integration rule using Literal on the lhs, but then when I input "Integrate[Cosh[x],x]", the Cosh is turned into exponentials and therefore does not match the rule. Is there a Quote in mathematica? (Hold doesn't quite do the job either.) Any suggestion will be appreciated.