Python | Numpy np.legroots() method
Last Updated :
31 Dec, 2019
np.legroots()
method is used to compute the roots of a legendre series.Return the roots of the polynomial.
Syntax : np.legroots(c)
Parameters:
c :[array_like] 1-D arrays of legendre series coefficients.
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.legendre as geek
s = ( 2 , 4 , 8 )
res = geek.legroots(s)
print (res)
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Output:
[-0.60762522 0.27429189]
Code #2 :
import numpy as np
import numpy.polynomial.legendre as geek
s = ( 1 , 2 , 3 , 4 , 5 )
res = geek.legroots(s)
print (res)
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Output:
[-0.86884116 -0.48972874 0.21530729 0.68611975]
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