fact: Definition comb_V2 d m0 n0 (f : {ffun 'I_n -> 'rV_n}) := comb d f (ssgraph m0 n0).
imports: mathcomp(all_ssreflect ssralg fingroup finalg zmodp matrix) Reals mathcomp(Rstruct) ssr_ext ssralg_ext ssrR Reals_ext f2 summary subgraph_partition tanner tanner_partition fdist channel checksum