www.gusucode.com > Weighted Differential Evolution Algorithm (WDE) > Weighted Differential Evolution Algorithm (WDE)/cc_wde/classic_benchmark_problems/beale.m
function ObjVal = beale(Chrom,switch1); % Compute population parameters [Nind,Nvar] = size(Chrom); for j=1:Nind ObjVal(j)=sqr(1.5-Chrom(j,1)*(1-Chrom(j,2)))+sqr(2.25-Chrom(j,1)*(1-power(Chrom(j,2),2)))+sqr(2.625-Chrom(j,1)*(1-power(Chrom(j,2),3))); end ObjVal=ObjVal'; function y=sqr(x) y=x*x; function y=power(x,a) y=x^a; return