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elastic.py
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elastic.py
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def ZP_elastic(V,M,A,t,cr):
for i in range(0,V+1):
P.append(1)
#formula for flexible movement
for n in range(1,V+1):
sum=0
for i in range(0,M+1):
if n >= t[i]:
sum+=A[i]+t[i]*P[n-t[i]]
div=min(n,cr)
P[n]=sum/div
P=[]
#user input
#real capacity
cr=int(input("Enter real capacity [cr]:"))
#virtual capacity
cv=int(input("Enter virtual capacity [cv]:"))
V=cv
#number of service classes
M=int(input("Enter number of service classes (1-5) [M]:"))
#class traffic volume
A=[0]
for i in range(1,M+1):
A.append(float(input("Enter class traffic volume A[%s]:"%i)))
A.append(0)
#amount of resources needed
t=[0]
for i in range(1,M+1):
t.append(int(input("Enter the amount of resources needed t[%s]:"%i)))
t.append(0)
#calculating probabilities
ZP_elastic(V,M,A,t,cr)
#normaliation
total=0
for i in range(1,V+1):
total+=P[i]
for i in range(1,V+1):
P[i]/=total
print()
#probability of blockade of adaptive movement
E=[0]
for i in range(1,M+1):
E.append(0)
for n in range(V-t[i]+1,V+1):
E[i]+=P[n]
print('E({})={:.20f}'.format(i,E[i]))