python_numpy.min()

numpy.min(‘parameter’)

‘parameter=0, means all the lines
‘parameter=1, means all the columns

>>>import numpy as np  >>>a = np.array([[1,5,3],[4,2,6]])  >>>print(a.min()) #无参，所有中的最小值  >>>print(a.min(0)) # axis=0; 每列的最小值  >>>print(a.min(1)) # axis=1；每行的最小值  

结果：1[1 2 3][1 2]