function f,T=TSPSA(d,t0,tf)%TSP问题（货郎担问题，旅行商问题）的模拟退火算法通用malab源程序% f目标最优值,T最优路线,d距离矩阵,t0初始温度,tf结束温度m,n=size(d);L=100*n;t=t0;pi0=1:n;min_f=0;for k=1：n-1min_f=min_f+d(pi0(k),pi0(k+1);endmin_f=min_f+d(pi0(n),pi0(1);p_min=pi0;while ttffor k=1:L;kk=rand;d_f,pi_1=exchange_2(pi0,d);r_r=rand; if d_fr_rpi0=pi_1;elsepi0=pi0;endendf_temp=0;for k=1：n-1f_temp=f_temp+d(pi0(k),pi0(k+1);endf_temp=f_temp+d(pi0(n),pi0(1);if min_ff_tempmin_f=
