g_roulette_wheel.m

来自「real genetic algorithm matlab code」· M 代码 · 共 17 行

%%%%% function g_roulette_wheel %%%%%
function [mating_pool]=g_roulette_wheel(Population,N,selection_probability);
cdf(1)=selection_probability(1);
for i=2:N;
    cdf(i)=cdf(i-1)+selection_probability(i);
end
for i=1:N;
    r=rand;
    for j=1:N
        if r<=cdf(j)
            mating_pool(i,:)=Population(j,:);
            break;
        end
    end
end
return;