numpy/fft_plot.py

Generates numpy/fft_plot.svg, the plot of

2 sin (t) + cos (4 t)

with 25 points and its DFT.

The output was also uploaded to: commons.wikimedia.org/wiki/File:DFT_2sin(t)_%2B_sin(4t).svg and added to en.wikipedia.org/w/index.php?title=Discrete_Fourier_transform&oldid=1176616763 only to be later removed of course: Deletionism on Wikipedia.

Figure 1.
DFT of $2 sin (t) + cos (4 t)$ with 25 points
. Source code at: ../numpy/fft_plot.py.

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