[Numpy-discussion] Numpy FFT.FFT slow with certain samples

[Stéfan van der Walt]

On Aug 28, 2015 5:17 PM, "Pierre-Andre Noel" <noel.pierre.andre at gmail.com>
wrote:
>
> I had in mind the use of FFT to do convolutions (
> https://en.wikipedia.org/wiki/Convolution_theorem ). If you do not
> zero-pad properly, then the end of the signal may "bleed" on the
> beginning, and vice versa.

Ah, gotcha! All these things should also be handled nicely in
scipy.signal.fftconvolve.

Stéfan
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