Re: A FullSimplify Problem
- To: mathgroup at smc.vnet.net
- Subject: [mg41175] Re: A FullSimplify Problem
- From: Paul Abbott <paul at physics.uwa.edu.au>
- Date: Tue, 6 May 2003 06:03:22 -0400 (EDT)
- Organization: The University of Western Australia
- References: <b8qolv$840$1@smc.vnet.net> <b8t8qm$ep6$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
In article <b8t8qm$ep6$1 at smc.vnet.net>,
"Dr. Wolfgang Hintze" <weh at snafu.de> wrote:
> When I plot the integrand between 0 and Pi it also looks like the
> integral being zero.
>
> Performing NIntegrate (and specifying a numerically, e.g. a=0.4) on the
> original integrand leads to an error message claiming a spurious
> "strongly oscillating function". But by splitting the interval into
> {0,Pi/2} and {Pi/2,Pi} NIntegrate behaves well and gives opposite
> results for both parts. Hence the complete integral vanishes again.
For -1 < a < 1 but not for Abs[a] > 1.
Cheers,
Paul
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