help-gsl
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Help-gsl] Numerical integration


From: Inigo Aldazabal Mensa
Subject: Re: [Help-gsl] Numerical integration
Date: Thu, 3 Sep 2009 13:29:02 +0200
User-agent: KMail/1.9.10

El Miércoles, 2 de Septiembre de 2009, Jonny Taylor escribió:
...
> I feel that because of this
> specific form there ought to be some sort of shortcut or special
> technique that could separate out the "carrier wave", so that
> effectively all that needs to be sampled is the slowly-varying
> envelope. Can anyone suggest a suitable technique that I could use for
> this? (ideally one implemented in GSL, but I can code it up from
> scratch if required). Someone suggested to me that some sort of trick
> involving fourier transforms might help, but I haven't really got
> anywhere with that as yet.
>


upps...sorry for he last post.

You could try splitting the exponential and the function in its real and 
imaginary part and using sin and cos as weight functions.
 
http://www.gnu.org/software/gsl/manual/html_node/QAWO-adaptive-integration-for-oscillatory-functions.html


> Thanks in advance for any suggestions
> Jonny
>
>
>
> _______________________________________________
> Help-gsl mailing list
> address@hidden
> http://lists.gnu.org/mailman/listinfo/help-gsl






reply via email to

[Prev in Thread] Current Thread [Next in Thread]