import matplotlib.pyplot as plt
import numpy as np
x = np.linspace(-10,10,100)
plt.plot(x,np.sin(x))
plt.show()
np.linspace(left,right,取点数)
import matplotlib.pyplot as plt
import numpy as np
x = np.linspace(-10,10,100)
plt.plot(x,np.sin(x))
plt.show()
np.linspace(left,right,取点数)