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Python – scipy.fft.dst() method

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  • Last Updated : 01 Oct, 2020
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With the help of scipy.fft.dst() method, we can compute the discrete sine transform by selecting different types of sequences and return the transformed array by using this method.

Syntax :

scipy.fft.dst(x, type=2)

Return value: It will return the transformed array.

Example #1: In this example, we can see that by using scipy.fft.dst() method, we are able to get the discrete sine transform by selecting different types of sequences by default it’s 2.

Python3




# import scipy
from scipy import fft
  
# Using scipy.fft.dst() method
gfg = fft.dst([1, 2, 3, 4])
  
print(gfg)


Output :

[13.06562965 -5.65685425  5.41196100 -4.00000000]

Example #2 :

Python3




# import scipy
from scipy import fft
  
# Using scipy.fft.dst() method
gfg = fft.dst([-6, 5, -4, 3, -2, 1], 3)
  
print(gfg)


Output :

[ -1.43023367  -2.3137085   -6.16568427  -7.77337942 -20.3137085
 -23.82253852]
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