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Re: Ask for help to evaluate an equation
*To*: mathgroup at smc.vnet.net
*Subject*: [mg129119] Re: Ask for help to evaluate an equation
*From*: Oliver Jennrich <oliver.jennrich at gmx.net>
*Date*: Mon, 17 Dec 2012 02:53:03 -0500 (EST)
*Delivered-to*: l-mathgroup@mail-archive0.wolfram.com
*Delivered-to*: l-mathgroup@wolfram.com
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*References*: <kajod8$ilr$1@smc.vnet.net>
Hugo <hpe650820 at gmail.com> writes:
> I want to evaluate the following equation with mathematica but it seems i'm doing something wrong.
>
> Sum[(-1)^n/A^(n+1)t^(1+n-k(1-eta))beta^(n-k) Binomial[n,k](alpha Gamma[1-eta])^k/Gamma[2+n-k(1-eta)],{n,0,Infinity},{k,0,Infinity}]
>
> Any help would be appreciate it
What do you man with "doing something wrong"? The expression is
syntactically correct, so I assume you mean that Mathematica doesn't give you
the expected result or no result at all.
The inner term can not be successfully summed by Mathematica 9 when the sum is
just extended over the k - so I assume trying to sum over both n and k
doesn't result either in a closed form...
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