simulated.m

模拟退火matlab源码

function [x0,y0,k]=simulated(x0,y0)
aim0=forward(x0,y0);
T0=10;
K=4000;
k=0;
esp=forward(3,0);
while k<=K&aim0>esp
l=0;
 while  l<10
x1=12*(rand(1)-0.5);
y1=12*(rand(1)-0.5);
aim0=forward(x0,y0);
aim1=forward(x1,y1);
delta_aim=aim1-aim0;
p_delta_aim=exp(-delta_aim/T0);
if(delta_aim<0)
    x0=x1;
    y0=y1;
elseif p_delta_aim>rand
    x0=x1;
    y0=y1;
end
l=l+1;
aim0=aim1;
 end
T0=T0*0.99;
if(abs(aim0-esp)<=10^(-4))
            break;
end        
k=k+1;
end