fact: Definition vandmx m : 'M[{poly R}]_(m,d) := \matrix_(i < m,j < d) (points`_j ^+ i).
imports: mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat seq div fintype tuple) mathcomp(finfun bigop fingroup perm ssralg zmodp matrix mxalgebra) mathcomp(poly polydiv mxpoly)