Fourier Transform, Data Science, Applied Mathematics, Mathematics, Computer Science.
True - g (numpy array): Fourier transform values calculated at coordinate k """ x0, dx = x[0], x[1] - x[0] f = func(x) g = np.fft.fft(f) # DFT calculation # frequency normalization factor is 2*np.pi/dt w = np.fft.fftfreq(f.size)*2*np.pi/dx # Multiply by external factor g *=