[SciPy-User] spectral derivative of aperiodic function

bouloumag@gmai... bouloumag@gmai...
Sun Feb 10 18:55:50 CST 2013

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?
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