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Re: Highly Oscillatory Integrand

• To: mathgroup at smc.vnet.net
• Subject: [mg21984] Re: Highly Oscillatory Integrand
• From: "Kevin J. McCann" <kevin.mccann at jhuapl.edu>
• Date: Mon, 7 Feb 2000 13:02:35 -0500 (EST)
• Organization: Johns Hopkins University Applied Physics Lab, Laurel, MD, USA
• References: <87lugt$6qu@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

Have you tried the method of steepest descent/stationary phase? I find that
these work amazingly well in many cases. There are other techniques, but the
ones I am familiar with are not very general.

Kevin

--

Kevin J. McCann
Johns Hopkins University APL

James K.Hall <jhall at attcanada.net> wrote in message
news:87lugt$6qu at smc.vnet.net...
> Hi,
>
>     Does anybody here know what parameter in "NIntegrate" will deal with
> highly oscillatory integrands?  If there is such an option please write me
> at
>
>     hall at drea.dnd.ca
>
>     I am currently trying to find the fastest way to evaluate such an
> integral.  I am constantly receiving warning messages about the
oscillatory
> behaviour of the function.
>
>     I hope I will hear from one of you.  I would really appreciate it.
>
> Cheers James
>
>
>