np.lagub() method is used to subtract one Laguerre series to another.It returns the difference of two Laguerre series c1 - c2. 
Syntax :
np.lagub(c1, c2)
Parameters:
c1, c2 :[ array_like ] 1-D arrays of Laguerre series coefficients ordered from low to high.Return : [ndarray] Laguerre series coefficients representing their difference.
Code #1 :
| # Python program explaining # numpy.lagsub() method     Â# importing numpy as np   # and numpy.polynomial.laguerre module as geek  importnumpy as np  importnumpy.polynomial.laguerre as geek    Â# Laguerre series coefficients  Âs1 =(2, 4, 8)  s2 =(1, 3, 5)       Â# using np.lagsub() method  res =geek.lagsub(s1, s2)   Â# Resulting laguerre series print(res)   | 
[ 1. 1. 3.]
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Code #2 :
| # Python program explaining # numpy.lagub() method     Â# importing numpy as np   # and numpy.polynomial.laguerre module as geek  importnumpy as np  importnumpy.polynomial.laguerre as geek    Â# Laguerre series coefficients s1 =(10, 20, 30, 40, 50)  s2 =(2, 4, 6, 8, 10)        Â# using np.lagsub() method  res =geek.lagsub(s1, s2)   Â# Resulting laguerre series print(res)   | 
[ 8. 16. 24. 32. 40.]

 
                                    







