mutation2.m

基于GAACA的协同多目标攻击空战决策算法

function pop=mutation2(pmutation,crosspop)
%%%%%%%%%% 逆转策略变异法 %%%%%%%%%

%crosspop=[1,2,3,4,1,2;    %测试用例
%           2,3,1,4,1,2;
%           3,4,1,1,2,2;
%           1,2,1,4,3,2];
%pmutation=0.8;  
         
[mpop,npop]=size(crosspop);

   for i=1:mpop
       temp=rand;
       if pmutation>temp
           j1 = rand_function(1,npop);  %随机选取数串的变异区域
           j2 = rand_function(1,npop); 
           while j1==j2
                j1 = rand_function(1,npop); 
                j2 = rand_function(1,npop); 
           end
           if j1>j2                     %调整数串的变异区域起止位置标号
               j_int=j2;
               j2=j1;
               j1=j_int;
           end
           p=crosspop(i,:);
           p_cho=p(j1:j2);              %取出数串
           k=j2-j1+1;
           for j=j1:j2
               crosspop(i,j)=p_cho(k);  %逆序后放进原来数串的位置
               k=k-1;
           end
       end
   end
pop=crosspop;