real function argument
- To: mathgroup at smc.vnet.net
- Subject: [mg73399] real function argument
- From: bar at ANTYSPAM.ap.krakow.pl
- Date: Thu, 15 Feb 2007 05:04:24 -0500 (EST)
- Organization: Akademia Pedagogiczna w Krakowie
Hi, I have a problrm with defining real argument In: f[x_]:=Re[Cos[x]+I Sin[x]] f'[x] Out: -Cos[x] Im'[x]-Sin[x]Re'[x] In: FullSimplify[f'[x],Element[x,Reals]] gives the same out Any suggestions ? Regards, Olaf