我从here复制了一个片段并运行它,但没有获得所需的样式。
繁殖代码
#!/usr/bin/evn python
import numpy as np
import scipy.linalg
from mpl_toolkits.mplot3d import Axes3D
import matplotlib.pyplot as plt
# some 3-dim points
mean = np.array([0.0, 0.0, 0.0])
cov = np.array([[1.0, -0.5, 0.8], [-0.5, 1.1, 0.0], [0.8, 0.0, 1.0]])
data = np.random.multivariate_normal(mean, cov, 50)
# regular grid covering the domain of the data
X, Y = np.meshgrid(np.arange(-3.0, 3.0, 0.5), np.arange(-3.0, 3.0, 0.5))
XX = X.flatten()
YY = Y.flatten()
order = 1 # 1: linear, 2: quadratic
if order == 1:
# best-fit linear plane
A = np.c_[data[:, 0], data[:, 1], np.ones(data.shape[0])]
C, _, _, _ = scipy.linalg.lstsq(A, data[:, 2]) # coefficients
# evaluate it on grid
Z = C[0] * X + C[1] * Y + C[2]
# or expressed using matrix/vector product
#Z = np.dot(np.c_[XX, YY, np.ones(XX.shape)], C).reshape(X.shape)
elif order == 2:
# best-fit quadratic curve
A = np.c_[np.ones(data.shape[0]), data[:, :2],
np.prod(data[:, :2], axis=1), data[:, :2]**2]
C, _, _, _ = scipy.linalg.lstsq(A, data[:, 2])
# evaluate it on a grid
Z = np.dot(np.c_[np.ones(XX.shape), XX, YY, XX * YY, XX**2, YY**2],
C).reshape(X.shape)
# plot points and fitted surface
fig = plt.figure()
ax = fig.gca(projection='3d')
ax.plot_surface(X, Y, Z, rstride=1, cstride=1, alpha=0.2)
ax.scatter(data[:, 0], data[:, 1], data[:, 2], c='r', s=50)
plt.xlabel('X')
plt.ylabel('Y')
ax.set_zlabel('Z')
ax.axis('equal')
ax.axis('tight')
plt.show()
实际结果
请参阅此link
预期结果
请参阅此link
这两种风格非常不同:网格颜色,线框,表面颜色等。这个图像的样式来自先前版本的matplotlib吗?如果是这样,我怎么能得到那种风格?
Matplotlib版本
我在虚拟环境中通过pip安装了matplotlib。
答案 0 :(得分:0)
在我的Python 3.5中,matplotlib 2.2.2安装plt.style.use('classic')似乎有效
Why matplotlib graphs and icons look different on two computers with the same OS?类似,但Q是关于图标的