Re: Incorrect integral in Mathematica
- To: mathgroup at smc.vnet.net
- Subject: [mg91377] Re: Incorrect integral in Mathematica
- From: "Kevin J. McCann" <Kevin.McCann at umbc.edu>
- Date: Tue, 19 Aug 2008 07:14:28 -0400 (EDT)
- Organization: University System of Maryland
- References: <g8b8t8$8pq$1@smc.vnet.net>
With version 6.0.3 I get
2Pi w z
Eran Mukamel wrote:
> Hi All,
>
> I'm getting a nonsensical answer of 0 for the following integral in Mathematica 5.0 (Mac OSX):
>
> Integrate[Exp[-x^2/(2w^2)]Exp[-(y - y0)^2/(2z^2)],
> {x, -Infinity, Infinity}, {y, -Infinity, Infinity}]
>
> The result should be (2 Pi w z). Any ideas why this fails?
>
> Thanks in advance, Eran
>