numpy.polyadd(a1, a2)
[source]
Find the sum of two polynomials.
Returns the polynomial resulting from the sum of two input polynomials. Each input must be either a poly1d object or a 1D sequence of polynomial coefficients, from highest to lowest degree.
Parameters: |
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Returns: |
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See also
poly1d
poly
, polyadd
, polyder
, polydiv
, polyfit
, polyint
, polysub
, polyval
>>> np.polyadd([1, 2], [9, 5, 4]) array([9, 6, 6])
Using poly1d objects:
>>> p1 = np.poly1d([1, 2]) >>> p2 = np.poly1d([9, 5, 4]) >>> print(p1) 1 x + 2 >>> print(p2) 2 9 x + 5 x + 4 >>> print(np.polyadd(p1, p2)) 2 9 x + 6 x + 6
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https://docs.scipy.org/doc/numpy-1.17.0/reference/generated/numpy.polyadd.html