python根据矩阵数值大小涂上不同深浅颜色

绘制矩阵颜色图 

import matplotlib.pyplot as plt

plt.matshow(np.random.rand(5,5), cmap=plt.get_cmap('Greens'), alpha=0.5)  # , alpha=0.3
plt.show()

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转载自blog.csdn.net/weixin_38314865/article/details/107772699