import numpy as np
import matplotlib.pyplot as plt
arr=np.arange(100).reshape((10,10))
plt.close('all')
fig=plt.figure(figsize=(5,4))
ax=plt.subplot(111)
im=ax.imshow(arr,interpolation="none")
plt.tight_layout()
转载于:https://my.oschina.net/u/923087/blog/279061