[Date Index] [Thread Index] [Author Index]

Re:complex coefficients and rules...

• To: mathgroup at smc.vnet.net
• Subject: [mg28247] Re:complex coefficients and rules...
• From: bghiggins at ucdavis.edu (Brian Higgins)
• Date: Fri, 6 Apr 2001 01:52:55 -0400 (EDT)
• Organization: The Math Forum
• References: <9aelr6$nbu@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

Richard, 

You might want to look at ComplexExpand function which assumes all
variables are real

In[8]:=ComplexExpand[Conjugate[Exp[-4*I*y]]]

Out[8]=Cos[4*y] + I*Sin[4*y]

or

In[7]:=TrigToExp[ComplexExpand[Conjugate[Exp[-4*I*y]]]]

Out[7]=E^(4*I*y)

Cheers,

Brian