www.gusucode.com > Weighted Differential Evolution Algorithm (WDE) > Weighted Differential Evolution Algorithm (WDE)/cc_wde/classic_benchmark_problems/schwefel_2_22.m

    function ObjVal = schwefel_2_22(Chrom,switch1);

 ObjVal = sum((Chrom .* Chrom)')'+prod((Chrom .* Chrom)')';
   return