gmjprey.asv

来自「鱼群算法之matlab实现」· ASV 代码 · 共 37 行

function [XXnext] = gmjprey(XX,Try_number,Visual,Step,a1,b1,a2,b2)
pp=0;
for j=1:Try_number
    XXj=XX+rand*Visual;
    if(maxf(XX)<maxf(XXj))
        XXnext=XX+rand*Step*(XXj-XX)/norm(XXj-XX);
        if(XXnext(1)>b1)
        XXnext(1)=b1;   
        end
        if(XXnext(1)<a1)
        XXnext(1)=a1;   
        end
        if(XXnext(2)>b2)
        XXnext(2)=b2;   
        end
        if(XXnext(2)<a2)
        XXnext(2)=a2;   
        end
        pp=1;
        break
    end
end
if(~pp)
   XXnext=XX+rand*Step;
   if(XXnext(1)>b1)
        XXnext(1)=b1;   
        end
        if(XXnext(1)<a1)
        XXnext(1)=a1;   
        end
        if(XXnext(2)>b2)
        XXnext(2)=b2;   
        end
        if(XXnext(2)<a2)
        XXnext(2)=a2;   
        end
end