Python-сообщество

import numpy as np
import matplotlib.pyplot as plt
N = 1000
T = 1/100.0
z = [1,0,0,0,0,1,0,1,1,0]
x = np.linspace(0.0,N*T,100*N)
y = np.sin(2.0*np.pi*x) + np.sin(2.0*np.pi*x+np.pi)
y2 = 2 * np.sin((2.0*np.pi*x+2.0*np.pi*x+np.pi)/2) * np.cos((2.0*np.pi*x-2.0*np.pi*x-np.pi)/2)
y3 = np.sin(2.0*np.pi*x)
y4 = np.sin(2.0*np.pi*x+np.pi)
plt.plot(x,y)
plt.show()
plt.plot(x,y4)
plt.plot(x,y3)
plt.plot(x,y2,"-r")
plt.show()