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Re: Recursion problem in SymbolicSum

  • To: mathgroup at smc.vnet.net
  • Subject: [mg60697] Re: Recursion problem in SymbolicSum
  • From: "Alexander" <beginning.physst at mail.ru>
  • Date: Sun, 25 Sep 2005 02:36:08 -0400 (EDT)
  • References: <dh2u72$dcl$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Hello!

You should use function NSum instead of Sum.
So here is correct answer:

In[7]= NSum[PoissonProb[1.05, k] (k + 1 - 9)/(k +
        1), {k, 9, Infinity}]

Out[7]= `1.8235341173063736`*^-7

Alexander.


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