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MathGroup Archive 1999

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Re(2): RE: RE: ExpIntegralEi

  • To: mathgroup at smc.vnet.net
  • Subject: [mg18693] Re(2): [mg18632] RE: [mg18491] RE: [mg18463] ExpIntegralEi
  • From: Andrzej Kozlowski <andrzej at tuins.ac.jp>
  • Date: Thu, 15 Jul 1999 01:46:08 -0400
  • Sender: owner-wri-mathgroup at wolfram.com

A minor correction to my last message on this topic. I wrote:

>In[19]:=
>Clear[c2, c3, c5]
>
>In[20]:=
>Integrate[Exp[beta*c2 + s*(c3 + beta*c5)], {s, 0, 1}] // Simplify
>Out[20]=
> beta c2        c3 + beta c5
>E        (-1 + E            )
>-----------------------------
>        c3 + beta c5
>
>This is function has a simple pole at c3=-beta*c5 . 

I should have written "removable singularity", of course. 

Andrzej Kozlowski
Toyama International University
JAPAN
http://sigma.tuins.ac.jp/
http://eri2.tuins.ac.jp/



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