saf2.m

里面一共有几个关于连续优化的matlab程序

function saf2;
x=rand(1)*200-100;y=rand(1)*200-100;L=1000;t=0.5;a=0.9;s=1;s0=0;q=1;
f=f2(x,y);
while s0~=s
    m=0;
    for n=1:L
        u=x+rand(1)*2*q-q;
        v=y+rand(1)*2*q-q;
        b=0;
    while b==0
        if (u<-100)|(u>100)|(v<-100)| (v>100)
            u=x+rand(1)*2*q-q;
            v=y+rand(1)*2*q-q;
        else
            b=1;
        end
    end
    df=f2(u,v)-f;
    if df<0
        x=u;y=v;f=f+df;m=1;
    elseif (df/t<88)&(exp(-df/t)>rand(1))
        x=u;y=v;f=f+df;m=1;
    end
end
t=t*a;
if m==0
    s0=s0+1;
else
    s0=0;
end
end
minf=f2(x,y)
x
y