Python | Numpy np.lagroots() method
Last Updated :
29 Dec, 2019
np.lagroots()
method is used to compute the roots of a Laguerre series.Return the roots of the polynomial.
Syntax : np.lagroots(c)
Parameters:
c :[array_like] 1-D arrays of Laguerre series coefficients ordered from low to high.
Return : [ndarray] Array of the roots of the series. If all the roots are real, then out is also real, otherwise it is complex.
Code #1 :
import numpy as np
import numpy.polynomial.laguerre as geek
s = ( 2 , 4 , 8 )
res = geek.lagroots(s)
print (res)
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Output:
[ 0.8416876 4.1583124]
Code #2 :
import numpy as np
import numpy.polynomial.laguerre as geek
s = ( 1 , 2 , 3 , 4 , 5 )
res = geek.lagroots(s)
print (res)
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Output:
[ 0.50680523 2.37919156 5.5446037 10.76939951]
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