Python | Numpy np.chebder() method (original) (raw)

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 as np

from numpy.polynomial import chebyshev as C

x = np.array([ 1 , 2 , 3 ])

gfg = C.chebder(x, 2 )

print (gfg)

Output :

[ 12.]

Example #2 :

import numpy as np

from numpy.polynomial import chebyshev as C

x = np.array([ 2 , 5 , 7 , 11 ])

gfg = C.chebder(x, 2 )

print (gfg)

Output :

[ 28. 264.]

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