Note
Go to the end to download the full example code.
fill_between(x, y1, y2)#
Fill the area between two horizontal curves.
See fill_between.
import matplotlib.pyplot as plt import numpy as np plt.style.use('_mpl-gallery') # make data np.random.seed(1) x = np.linspace(0, 8, 16) y1 = 3 + 4*x/8 + np.random.uniform(0.0, 0.5, len(x)) y2 = 1 + 2*x/8 + np.random.uniform(0.0, 0.5, len(x)) # plot fig, ax = plt.subplots() ax.fill_between(x, y1, y2, alpha=.5, linewidth=0) ax.plot(x, (y1 + y2)/2, linewidth=2) ax.set(xlim=(0, 8), xticks=np.arange(1, 8), ylim=(0, 8), yticks=np.arange(1, 8)) plt.show()