selecthw.m

来自「#include "stdio.h" #include "math.h" #」· M 代码 · 共 19 行

function ret=selectHW(individuals,sizepop)
%轮赌盘选择
        sumfitness=sum(individuals.fitness);  
        sumf=(individuals.fitness)./sumfitness;
        sumf=cumsum(sumf);
        rns=sort(rand(sizepop,1));
        fitin=1;newin=1;
        while newin<=sizepop
            if rns(newin)<sumf(fitin)
                chrom(newin,:)=individuals.chrom(fitin,:);
                fitness(newin)=individuals.fitness(fitin);
                newin=newin+1;
            else
                fitin=fitin+1;
            end
        end
        individuals.chrom=chrom;
        individuals.fitness=fitness;
        ret=individuals;