www.gusucode.com > Weighted Differential Evolution Algorithm (WDE) > Weighted Differential Evolution Algorithm (WDE)/cc_wde/classic_benchmark_problems/foxholes.m
function ObjVal = FoxHoles(Chrom,switch1); % Compute population parameters [Nind,Nvar] = size(Chrom); x=Chrom; top=double(0); top1=double(0); a=[-32,-16,0,16,32,-32,-16,0,16,32,-32,-16,0,16,32,-32,-16,0,16,32,-32,-16,0,16,32; -32,-32,-32,-32,-32,-16,-16,-16,-16,-16,0,0,0,0,0,16,16,16,16,16,32,32,32,32,32]; for i=1:Nind for k=1:25 for j=1:Nvar top1=top1+power((double(x(i,j))-double(a(j,k))),6); end; top=double(top+(1/(top1+k))); top1=0; end; ObjVal(i)= double(1/(0.002+top)); top=0; end ObjVal=ObjVal'; function y=sqr(x) y=double(x*x); function y=power(x,a) y=double(x^a); return