proposition: Lemma fdcoorN x i : (- x) ^`_ i = - x ^`_ i.
proof: Proof. by rewrite /fdcoor linearN hornerN. Qed.
imports: mathcomp(all_ssreflect ssralg poly polydiv zmodp) mathcomp(matrix mxalgebra mxpoly vector cyclic perm) ssr_ext ssralg_ext hamming