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numpy fft with frequencies

Martin Evans answered on May 17, 2023 Popularity 2/10 Helpfulness 3/10

answer numpy fft with frequencies

numpy fft with frequencies

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signal = np.array([-2, 8, 6, 4, 1, 0, 3, 5], dtype=float)
>>> fourier = np.fft.fft(signal)
>>> n = signal.size
>>> timestep = 0.1
>>> freq = np.fft.fftfreq(n, d=timestep)
>>> freq
array([ 0.  ,  1.25,  2.5 , ..., -3.75, -2.5 , -1.25])

Popularity 2/10 Helpfulness 3/10 Language python

Source: numpy.org

Tags: fft numpy python

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Contributed on May 17 2023

Martin Evans

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