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MathGroup Archive 2005

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Summation problem

  • To: mathgroup at smc.vnet.net
  • Subject: [mg56621] Summation problem
  • From: jaropis <jaropis at gazeta.pl>
  • Date: Sat, 30 Apr 2005 01:27:54 -0400 (EDT)
  • Reply-to: jaropis at gazeta.pl
  • Sender: owner-wri-mathgroup at wolfram.com

Why can't Mathematica sum:
Sum[I^n/n,{n,1,Infinity}]
and gives the (incorrect) answer, that this is divergent while it can do:
Sum[I^(n+1)/n,{n,1,Infinity}]
correctly? 

Jaroslaw Piskorski


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