numpy.polynomial.polynomial.Polynomial.fromroots

static Polynomial.fromroots(roots, domain=[-1, 1], window=[-1, 1])

Return Polynomial instance with specified roots.

Returns an instance of Polynomial representing the product (x - r[0])*(x - r[1])*...*(x - r[n-1]), where r is the list of roots.

Parameters :

roots : array_like

List of roots.

Returns :

object : Polynomial instance

Series with the specified roots.

See also

polyfromroots

equivalent function