vari_server_num.m

这是一个基于M/M/S类型的排队论仿真程序。M/M/S表示到达时间为负指数分布

%变量值取server_num
%初始化
mean_serv=20;
mean_arr=1;
peo_num=3000;
serv_num=mean_serv*2;
block_rate=zeros(1,1:serv_num);
use_rate=zeros(1,1:serv_num);
%调用函数MMS_funtion
for u=1:serv_num
[block_rate(1,u),use_rate(1,u)]=MMS_function(mean_arr,mean_serv,peo_num,u);
end
plot(block_rate,'r:');
hold on;
plot(use_rate,'k-');
hold on;
   
block_r=zeros(1,1:serv_num);
%调用理论值计算函数
for u=1:mean_serv/mean_arr
   block_r(1,u)=1;
end
for u=mean_serv/mean_arr+1:serv_num
   block_r(1,u)=busy_rate(mean_arr,mean_serv,u);
end
plot(block_r,'g');
legend('blockrate','userate','theory-blockr',0);
XLABEL('server-num,peo=3000');
YLABEL('rate');