CH04_SEC05_0_Fig4p16_Pareto.ipynb

Kernel: Python 3

import numpy as np
import matplotlib.pyplot as plt
from matplotlib.patches import Rectangle
from matplotlib import rcParams
rcParams.update({'font.size': 18})
plt.rcParams['figure.figsize'] = [8,8]

fig,ax = plt.subplots(1)
x = np.arange(0.2,5,0.1)
y = np.divide(1,x)

x2 = np.copy(x)
n = len(x2)
y2 = np.divide(1,x2) + 0.5*np.random.randn(n)

y3 = (np.tile(y2,(5,1)) + 2*np.random.rand(5,n) + 1)
y3 = np.reshape(y3,-1)
x3 = np.tile(x,(1,5)).reshape(-1)

plt.plot(x,y,color='k',linewidth=2)

rect = Rectangle((0.5,0.4), 0.9, 1.6,linewidth=1,edgecolor='k',facecolor='grey',alpha=0.6) 
ax.add_patch(rect)

plt.scatter(x2,y2,100,color='magenta',edgecolors='k')
plt.scatter(x3,y3,100,color='lime',edgecolors='k')


plt.xlim(0.2,4)
plt.ylim(0,5.5)

plt.show()