Python | Numpy np.leg2poly() method
Last Updated :
29 Dec, 2019
np.leg2poly()
method is used to convert a legendre series to a polynomial.
Syntax : np.leg2poly(c)
Parameters:
c :[array_like] 1-D arrays of legendre series coefficients ordered from low to high.
Return : [ndarray] 1-D array containing the coefficients of the equivalent polynomial.
Code #1 :
import numpy as np
import numpy.polynomial.legendre as geek
c = np.array([ 0.1 , 0.2 , 0.3 , 0.4 , 0.5 ])
res = geek.leg2poly(c)
print (res)
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Output:
[ 0.1375 -0.4 -1.425 1. 2.1875]
Code #2 :
import numpy as np
import numpy.polynomial.legendre as geek
c = ( 1 , 2 , 3 , 4 , 5 )
res = geek.leg2poly(c)
print (res)
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Output:
[ 1.375 -4. -14.25 10. 21.875]
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