Python | Numpy np.lag2poly() method
Last Updated :
29 Dec, 2019
np.lag2poly()
method is used to convert a Laguerre series to a polynomial.
Syntax : np.lag2poly(c)
Parameters:
c :[array_like] 1-D arrays of Laguerre 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.laguerre as geek
c = np.array([ 0.1 , 0.2 , 0.3 , 0.4 , 0.5 ])
res = geek.lag2poly(c)
print (res)
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Output:
[ 1.5 -4. 2.25 -0.4 0.02083333]
Code #2 :
import numpy as np
import numpy.polynomial.laguerre as geek
c = ( 1 , 2 , 3 , 4 , 5 )
res = geek.lag2poly(c)
print (res)
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Output:
[ 15. -40. 22.5 -4. 0.20833333]
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