Fourier Transform, Fft, Fast Fourier Transform, Algorithms, Mathematics.
60 and 228, the highest amplitude occurs, then the next highest occurs at 84 and 204 and so on. np.argsort(f)[::-1] array([ 60, 228, 204, 84, 13, 275, 197, 91, 11, 277, 24, 264, 225, 63, 76, 212, 201, ...], dtype=int64) If we look at our generated data, then the decreasing order of amplitudes