Re: Absolute Value of Complex Numbers
- To: mathgroup at smc.vnet.net
- Subject: [mg35205] Re: [mg35196] Absolute Value of Complex Numbers
- From: Daniel Lichtblau <danl at wolfram.com>
- Date: Tue, 2 Jul 2002 02:12:02 -0400 (EDT)
- References: <200207010734.DAA17391@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Kyle Davis wrote: > > Abs[2 Exp[3 * i]] > answer = 2 > > Abs[2 Exp[k * i]] > answer = 2 Exp[-Im[k]] > > Isn't the second answer supposed to be the same with the first one, > regardless with the value of k? How do I make the second calculation give me > the right answer? In[6]:= ComplexExpand[Abs[2*Exp[k*I]], k] // InputForm Out[6]//InputForm= 2/E^Im[k] Daniel Lichtblau Wolfram Research
- References:
- Absolute Value of Complex Numbers
- From: "Kyle Davis" <kyledavis@nowhere.com>
- Absolute Value of Complex Numbers