gmjprey.m

鱼群算法之matlab实现

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