fact: Definition cond_relative_entropy := \sum_(x in A) P1 x * \sum_(y in B) \Pr_Pj[[set y]|[set x]] * log (\Pr_Pj[[set y]|[set x]] / \Pr_Qj[[set y]|[set x]]).
imports: mathcomp(all_ssreflect all_algebra fingroup perm matrix) Reals mathcomp(Rstruct) ssrR Reals_ext realType_ext ssr_ext ssralg_ext bigop_ext logb ln_facts fdist jfdist_cond proba binary_entropy_function divergence