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.