np.fft.rfft for spectral derivatives in Python
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- Опубликовано: 16 июл 2024
- For real-valued inputs, the rfft saves about half of the computation over the classical fast Fourier transform. Let's use it to speed up the spectral derivative calculation. Here is the code: github.com/Ceyron/machine-lea...
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Timestamps:
00:00 Recap
00:35 Real-valued Fourier transformation
01:36 Adapting the wavenumber creation
02:00 Inform RFFT about vector size
02:25 Outro