function [num,temp,alpha]=method_Fibonacci(a0,b0,L,epsilon)% epsilon =1e-9;
ak =a0;
bk =b0;%% 找到 满足 >= temp的第一个 斐波那契数
temp =(bk-ak)/L;
f =[11];
n =1;whilef(n)< temp
f(n+2)=f(n)+f(n+1);
n = n+1;
end
%%
k =0;
num=1;temp(1)=phi(0.5*(ak+bk));
i =2;while bk-ak>= L
lamudak = ak +(bk-ak)*(f(n-k-1)/f(n-k+1));
muk = ak +(bk-ak)*(f(n-k)/f(n-k+1));ifphi(lamudak)<phi(muk)
ak = ak;
bk = muk;else
ak = lamudak;
bk = bk;
end
k=k+1;
num = num+1;temp(i)=phi(0.5*(ak+bk));disp(['这是Fibonacci--->第',num2str(num),'次迭代,当前目标函数最优值为',num2str(temp(i))])
i=i+1;
end
alpha =(ak+bk)/2;
end