popmerge31.m

用4个种群来优化函数

function [individuals4,avgfitness,bestfitness,bestchrom,trace4] = PopMerge31(individuals1,individuals2,individuals3,sizepop,lenchrom,fcode,bound);
%从群体individual1,individual2,individual3中选出4个最佳个体构成数组individual4
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%编写时间 2008.4.5

for i = 1:4
    [fitnessbest,pos] = min(individuals1.fitness);
    individuals4.chrom(i,:) = individuals1.chrom(pos,:);
    individuals1.fitness(pos) = 10000;
end

for i = 5:8
    [fitnessbest,pos] = min(individuals2.fitness);
    individuals4.chrom(i,:) = individuals2.chrom(pos,:);
    individuals2.fitness(pos) = 10000;
end


for i = 9:12
    [fitnessbest,pos] = min(individuals3.fitness);
    individuals4.chrom(i,:) = individuals3.chrom(pos,:);
    individuals3.fitness(pos) = 10000;
end


% 计算适应度 
    for j=1:sizepop
        x=Decode(lenchrom,bound,individuals4.chrom(j,:),fcode); %解码
        % 修改处
        %individuals.fitness(j)=AimFunc(x,heli,id_data,0);
        individuals4.fitness(j)=Aimfunc(x);   
    end
   [bestfitness,bestindex]=min(individuals4.fitness);
    bestchrom=individuals4.chrom(bestindex,:);
    avgfitness=sum(individuals4.fitness)/sizepop;
    trace4=[avgfitness bestfitness];