[SciPy-user] fourier series

Ariel Rokem arokem@berkeley....
Wed Apr 15 23:29:10 CDT 2009

Hi -

in pylab, which is part of matplotlib:

>>>from matplotlib import pylab

there is a function called psd:


which can help you graphically show your frequency decomposition



On Sun, Mar 29, 2009 at 10:29 PM, vvinuv <vvinuv@gmail.com> wrote:

> Hi
> I would like to demonstrate the fourier series graphically. I have a
> function in an array and want to decompose it. I used rfft to do that. But
> I
> am not able to interpret the coefficients I am getting. How can I use the
> array returns by rfft in the fourier series, ie how can I extract the
> coefficients (a_0, a_1, b_1, a_2, b_2 etc.) out of that?
> Thanks
> Vinu
> --
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Ariel Rokem
Helen Wills Neuroscience Institute
University of California, Berkeley
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