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scipy.fftfreq() in Python
• Last Updated : 29 Aug, 2020

With the help of scipy.fftfreq() method, we can compute the fast fourier transformation frequency and return the transformed array by using this method.

Syntax : scipy.fftfreq(n, freq)

Return : Return the transformed  array.

Example #1 :

In this example we can see that by using scipy.fftfreq() method, we are able to compute the fast fourier transformation frequency and return the transformed array.

## Python3

 `# import scipy and numpy``import` `scipy``import` `numpy as np`` ` `# Using scipy.fftfreq() method``gfg ``=` `scipy.fft.fftfreq(``5``, ``1.096``)`` ` `print``(gfg)`

Output :

[ 0.          0.18248175  0.3649635  -0.3649635  -0.18248175]

Example #2 :

## Python3

 `# import scipy and numpy``import` `scipy``import` `numpy as np`` ` `# Using scipy.fftfreq() method``gfg ``=` `scipy.fft.fftfreq(``3``, ``2.4096``)`` ` `print``(gfg)`

Output :

[ 0.          0.13833555 -0.13833555]

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