Small Snippet used to calculate and plot the data set

problem_calc.py

xl = {0:0.329,4:0.632,6:0.795,8:0.917,10:0.981}
sum = []
for n in range(1,21):
 a1 = xl[4]**n - xl[0]**n
 a2 = xl[6]**n - xl[4]**n
 a3 = xl[8]**n - xl[6]**n
 a4 = xl[10]**n - xl[8]**n
 a5 =  1 - xl[10]**n
 print "the intermediate values are " ,a1,a2,a3,a4,a5
 sum.append(a1*0 + a2*1 + a3*2 + a4*5.5 + a5*11)
 print " for range " , n , "sum ==>", sum

x = range(1,21)
plt.plot(x,sum)
plt.show()