fact: Definition poly_comb (sq : seq {poly R}) (sc : seq int) : {poly R} := \prod_(i < size sq) ((sq`_i) ^+ (comb_exp sc`_i)).
imports: mathcomp.ssreflect.ssreflect mathcomp(ssrfun ssrbool eqtype ssrnat seq choice path fintype) mathcomp(div bigop order ssralg poly polydiv ssrnum perm zmodp ssrint) mathcomp(polyorder polyrcf interval matrix mxtens)