polyadd(c1, c2)
Returns the sum of two polynomials :None:None:`c1` + :None:None:`c2`. The arguments are sequences of coefficients from lowest order term to highest, i.e., [1,2,3] represents the polynomial 1 + 2*x + 3*x**2
.
1-D arrays of polynomial coefficients ordered from low to high.
The coefficient array representing their sum.
Add one polynomial to another.
>>> from numpy.polynomial import polynomial as P
... c1 = (1,2,3)
... c2 = (3,2,1)
... sum = P.polyadd(c1,c2); sum array([4., 4., 4.])
>>> P.polyval(2, sum) # 4 + 4(2) + 4(2**2) 28.0See :
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