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From: "John D'Errico" <woodchips@rochester.rr.com>
Newsgroups: comp.soft-sys.matlab
Subject: Re: integration over a Gaussian density
Date: Wed, 6 Feb 2008 00:52:02 +0000 (UTC)
Organization: John D'Errico (1-3LEW5R)
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"Jerry " <mricad@yahoo.no000spppam.com> wrote in message 
<foau82$cqb$1@fred.mathworks.com>...
> in matlab, how to get the integration of xf(x) from t1 to t2
> where f(x) is a Gaussian (or Normal) density function with
> known mean and variance parameters? thanks!

normcdf, if you have the statistics toolbox.

If not, then its a simple transformation of
erf or erfc.

John