Numpy 1.1

np.min和np.max

numpy.ndarray.min

ndarray.min(axis=None, out=None, keepdims=False)Return the minimum along a given axis.

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In[2]: import numpy as np
In[3]: x=[[1,2,3] ,[4,5,3]]
In[4]: print np.min(x,0)
[1 2 3]
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