Re: DiracDelta Function question
- To: mathgroup at smc.vnet.net
- Subject: [mg21181] Re: DiracDelta Function question
- From: adam_smith at my-deja.com
- Date: Fri, 17 Dec 1999 01:23:28 -0500 (EST)
- References: <831vk0$g89@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
They both return 1/2 for me running 3.0 under NT.
Adam Smith
In article <831vk0$g89 at smc.vnet.net>,
"Julian Francis" <acz43 at dial.pipex.com> wrote:
> Folks,
>
> Why is mathematica unable to evaluate:
> Integrate[DiracDelta[2 x - 1], {x, -Infinity, +Infinity}]
>
> Also interestingly:
> Integrate[DiracDelta[2 x - 2], {x, -Infinity, +Infinity}]
>
> returns (1/2)
>
> I should have thought that the answer in both cases would be 1.
>
> I am using Mathematica v4.0 on MS Windows 95.
>
> Thanks for any light shed on this.
>
> Julian Francis.
> acz43 at dial.pipex.com
>
>
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