import numpy as np import matplotlib.pyplot as mp # 整理数据 n = 500 x, y = np.meshgrid(np.linspace(-3, 3, n), np.linspace(-3, 3, n)) # print(x) z = (1 - x / 2 + x ** 5 + y ** 3) * np.exp(-x ** 2 - y ** 2) mp.figure('Contour', facecolor='lightgray') mp.title('Contour') cntr = mp.contour(x, y, z, 8, colors='black', linewidths=0.5) mp.clabel(cntr, inline_spacing=0.5, fmt='%.1f', fontsize=8) mp.contourf(x, y, z, 8, cmap='jet') mp.show()