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Python | Numpy np.chebder() method

  • Last Updated : 12 Dec, 2019

With the help of np.chebder() method, we can get the differentiated value of chebyshev series in the form of an array having value of coordinates using np.chebder() method.

Syntax : np.chebder(series, value)
Return : Return an array having coordinates of series after differentiation.

Example #1 :
In this example we can see that by using np.chebder() method, we are able to get the differentiation of chebyshev series and it will return an array having coordinates of it.




# import numpy
import numpy as np
from numpy.polynomial import chebyshev as C
  
x = np.array([1, 2, 3])
# using np.chebder() method
gfg = C.chebder(x, 2)
  
print(gfg)

Output :

[ 12.]

Example #2 :




# import numpy
import numpy as np
from numpy.polynomial import chebyshev as C
  
x = np.array([2, 5, 7, 11])
# using np.chebder() method
gfg = C.chebder(x, 2)
  
print(gfg)

Output :

[  28.  264.]

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