qspec.analyze.poly  (  x ,  * args  )[source]

A polynomial $$f(x) = \sum\limits_{k=0}^n \frac{a_k}{k!}x^k$$ of order n = len(args) with coefficients args.

Parameters:

xarray_like

The $x$ values.

argsscalar

The coefficients of the polynomial $a_k$.

Returns:

yndarray

The function value $f(x)$.