gusucode.com > 利用遗传算法进行图像分割matlab源码程序 > segment_ga/select_2d1.m
function s1=select_2d1(X1,adapt_value1) %选择算子 population=20; total_adapt_value1=0; for i=1:population total_adapt_value1=total_adapt_value1+adapt_value1(i); end adapt_value1_new=adapt_value1/total_adapt_value1; [yy,index]=sort(adapt_value1); % 10%精英策略 s1(1:2,:)=X1(index(19:20),:); r=rand(1,population-2); % 90%轮盘赌法 for i=3:population temp=0; for j=1:population temp=temp+adapt_value1_new(j); if temp>=r(i-2) s1(i,:)=X1(j,:); break; end end end