import matplotlib.pyplot as plt
import numpy as np
plt.rcParams['font.sans-serif'] = ['Simhei']
plt.rcParams['axes.unicode_minus'] = False
ax = plt.axes(projection='3d')
x = np.linspace(-10, 10, 500)
y = np.linspace(-10, 10, 300)
X, Y = np.meshgrid(x, y)
z = (1/4)*X**2-(1/2)*Y**2
ax.plot_surface(X, Y, z, cmap='cool')
plt.axis('off')
plt.show()
如图 制作三维表面图像时为什么需要进行
X, Y = np.meshgrid(x, y)
的操作