lmlib.polynomial.poly.poly_sum_expo#
- lmlib.polynomial.poly.poly_sum_expo(expos)#
\(\alpha^\mathsf{T} x^q + \dots + \beta^\mathsf{T} x^r = \tilde{\alpha}^\mathsf{T} x^{\color{blue}{\tilde{q}}}\)
Exponent vector \(\tilde{1}\) of sum of univariate polynomials with exponent vectors
expos, all of common variable x- Parameters
expos (tuple of array_like) –
(q, ..., r), list of exponent vectors of polynomials to be summed- Returns
q_tilde, exponent vector \(\tilde{q}\)- Return type
expo
ndarray
Note
To get \(\tilde{\alpha}\), see
poly_sum_coef().References
[Wildhaber2019] (Eq. 6.4)