`numpy.polynomial.chebyshev:chebadd`

source: /numpy/polynomial/chebyshev.py :567

Signature

def chebadd ( c1 , c2 )

Summary

Add one Chebyshev series to another.

Extended Summary

Returns the sum of two Chebyshev series c1 + c2. The arguments are sequences of coefficients ordered from lowest order term to highest, i.e., [1,2,3] represents the series T_0 + 2*T_1 + 3*T_2.

Parameters

c1, c2 : array_like: 1-D arrays of Chebyshev series coefficients ordered from low to high.

Returns

out : ndarray: Array representing the Chebyshev series of their sum.

Notes

Unlike multiplication, division, etc., the sum of two Chebyshev series is a Chebyshev series (without having to "reproject" the result onto the basis set) so addition, just like that of "standard" polynomials, is simply "component-wise."

Examples

from numpy.polynomial import chebyshev as C
c1 = (1,2,3)
c2 = (3,2,1)
C.chebadd(c1,c2)

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Aliases

numpy.polynomial.Chebyshev._add
numpy.polynomial.chebyshev.chebadd