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 > > >