NSGA-II 非支配排序算法

NSGA-II 非支配排序算法:

Non-dominated Algorithm(dominated matrix D, population P)
   for i=1：length(P) {
       set R(i).np=0 and R(i).sp=[]
     }
   for i=1：length(P)                            
    for j=i+1:length(P) {
        if D(i,j)=1 {
            R(q).np= R(q).np + 1
            R(p).sp= R(p).sp ∪ q
        } elseif  D(i,j)=-1 {
            R(p