erlang_b.m

移动通信用爱尔兰B图表产生程序。可以在MATLAB6.5上运行

% File: erlanb_b.m
%爱尔兰B公式
function erb = erlang_b(A,c)
% A = offered traffic in Erlangs.
% c = number of truncked channels.
num = A^c;
sum = 0;
for k=0:c
   kfact = prod(1:k);
   term = (A^k)/kfact;
   sum =sum + term;
end
cfact = prod(1:c);
den = cfact*sum;
erb = num/den;
% End of function file.