//Example 12.4 //Page 529 disp('The Traffic intensity of system is,') A=1*2 disp('The raffic intensity carried by i active ckt is exactly i erlangs. Hence the traffic carried by 1st 5 ckt is,') P1=[(1*2^1)/(1)] P2=[(2*2^2)/(1*2)] P3=[(3*2^3)/(1*2*3)] P4=[(4*2^4)/(1*2*3*4)] P5=[(5*2^5)/(1*2*3*4*5)] A5={(%e^-2)*[P1+P2+P3+P4+P5]} disp('All of remaining ckts carry,') Ar=2-1.89 disp("Result") disp("A(5) = 1.89 erlangs") disp("A(remaining) = 0.11 erlangs")