[SciPy-User] spectral derivative of aperiodic function

Pierre Barbier de Reuille pierre@barbierdereuille....
Mon Feb 11 10:52:17 CST 2013


If you have reflexive boundary conditions, then you can use DCT the same
way you were using FFT (i.e. I assume multiplying the transform of the
differentiation matrix and the grid).

-- 
Barbier de Reuille Pierre


On 11 February 2013 01:55, <bouloumag@gmail.com> wrote:

> I would like to calculate the spatial derivative of a variable defined on
> the points of a uniform grid. The domain is NOT periodic, so the FFT method
> is useless here. I wonder if there exist other spectral methods to
> calculate the derivative on an aperiodic domain or if my only hope is to
> use the finite difference method?
>
> _______________________________________________
> SciPy-User mailing list
> SciPy-User@scipy.org
> http://mail.scipy.org/mailman/listinfo/scipy-user
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mail.scipy.org/pipermail/scipy-user/attachments/20130211/7da09a1e/attachment.html 


More information about the SciPy-User mailing list