Sum of internal angles of a Polygon

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.]

Sum of internal angles of a Polygon

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