1""" 2======= 3Arctest 4======= 5 6""" 7import matplotlib.pyplot as plt 8import numpy as np 9 10 11def f(t): 12 'A damped exponential' 13 s1 = np.cos(2 * np.pi * t) 14 e1 = np.exp(-t) 15 return s1 * e1 16 17 18t1 = np.arange(0.0, 5.0, .2) 19 20l = plt.plot(t1, f(t1), 'ro') 21plt.setp(l, markersize=30) 22plt.setp(l, markerfacecolor='C0') 23 24plt.show() 25