pydsm.delsig.evalRPoly¶
- pydsm.delsig.evalRPoly(roots, x, k=1)¶
Compute the value of a polynomial that is given in terms of its roots. Roots at infinity are removed before the computation.
Parameters: roots : array_like
roots of polynomial
x : complex or array_like of complex
complex value or vector of complex values where tf is to be evaluated
k -> real, optional
gain, defaults to 1.
Returns: y : ndarray
value of polynomial at the given complex values.