function [ fitness ] = fitnessFun( selectedWind,selectedSolar,candidateP,randSNCount )
%¼ÆËãÊʶȺ¯Êý
fitness=0;
for I=1:randSNCount
    for J=1:randSNCount
        fitness=fitness+candidateP(I)*( abs( sum(selectedWind(I,:)-selectedWind(J,:)) )+abs( sum(selectedSolar(I)-selectedSolar(J)) ) );
    end
end
fitness=fitness/randSNCount/randSNCount;

end