matplotlib 图片

image.png

import matplotlib.pyplot as plt
import numpy as np

# image data
a = np.array([0.313660827978, 0.365348418405, 0.423733120134,
              0.365348418405, 0.439599930621, 0.525083754405,
              0.423733120134, 0.525838238832, 0.658238283884]).reshape(3,3)

plt.imshow(a,interpolation='nearest',cmap='bone',origin='upper')
plt.colorbar(shrink=0.9)

plt.xticks(())
plt.yticks(())
plt.show()