Re: Integrate expression
- To: mathgroup at smc.vnet.net
- Subject: [mg109969] Re: Integrate expression
- From: dh <dh at metrohm.com>
- Date: Thu, 27 May 2010 06:42:34 -0400 (EDT)
- References: <htivig$2gl$1@smc.vnet.net>
Hi Dario,
Mathematica can not integrate a product with an undefined number of factors.
Therefore, you need to give a definite value to n (it seems to take
forever for n>2).
Further,Signa and Phi should be larger than zero, otherwise the PDF is
not a function.
cheers, Daniel
Am 26.05.2010 13:10, schrieb Dário Abdulrehman:
> FullSimplify[
> Integrate[
> Product[PDF[NormalDistribution[y, \[Sigma]], Subscript[x, i]], {i,
> n}]
>
> PDF[NormalDistribution[\[Mu], \[Phi]], y],
> {y, -Infinity, Infinity},
> Assumptions -> {\[Sigma]>= 0, \[Phi]>= 0}]]
>
--
Daniel Huber
Metrohm Ltd.
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