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MathGroup Archive 1996

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ComplexExpand

  • To: mathgroup at smc.vnet.net
  • Subject: [mg5302] ComplexExpand
  • From: neely at biomath.mdacc.tmc.edu (E. Neely Atkinson)
  • Date: Sat, 23 Nov 1996 01:44:40 -0500
  • Organization: Univ. of Texas M. D. Anderson Cancer Center
  • Sender: owner-wri-mathgroup at wolfram.com

Can anyone explain to me why the following two
examples behave differently? Thanks.

Mathematica 2.2 for IBM RISC System/6000
Copyright 1988-93 Wolfram Research, Inc.
 -- Terminal graphics initialized --

In[1]:= ComplexExpand[Log[1 / E^x]]

Out[1]= -x

In[2]:= ComplexExpand[Log[1 / (2 E^x)]]

             1
Out[2]= Log[----]
               x
            2 E

   

         E. Neely Atkinson
         neely at biomath.mdacc.tmc.edu


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