def EndOfService():
DepartingCustomer = Queue.Remove()
Wait.Record(SimClasses.Clock - DepartingCustomer.CreateTime)
if Queue.NumQueue() > 0:
SimFunctions.Schedule(Calendar, "EndOfService",
SimRNG.Erlang(Phases, MeanST, 2))
else:
Server.Free(1)
def Arrival():
SimFunctions.Schedule(Calendar, "Arrival", SimRNG.Expon(MeanTBA, 1))
Customer = SimClasses.Entity()
Queue.Add(Customer)
if Server.Busy == 0:
Server.Seize(1)
SimFunctions.Schedule(Calendar, "EndOfService",
SimRNG.Erlang(Phases, MeanST, 2))
import SimRNG
import pandas
ZRNG = SimRNG.InitializeRNSeed()
AllWait = []
print "Rep", "Average Wait"
m = 55000
d = 5000
for Rep in range(0, 10, 1):
Y = 0
SumY = 0
for i in range(0, d, 1):
a = SimRNG.Expon(1, 1)
X = SimRNG.Erlang(3, 0.8, 2)
Y = max(0, Y + X - a)
for i in range(d, m, 1):
a = SimRNG.Expon(1, 1)
X = SimRNG.Erlang(3, 0.8, 2)
Y = max(0, Y + X - a)
SumY = SumY + Y
AllWait.append(SumY / (float(m - d)))
print Rep + 1, SumY / (float(m - d))
AllWait = pandas.DataFrame(AllWait)
print "Overall Average ", AllWait.mean()
print "Overall Std Dev ", AllWait.std()