numpy.ndarray 对特定行或列取值

  import numpy as np b = [[1,2,0], [4,5,0], [7,8,1], [4,0,1], [7,11,1] ] a=np.array([b]).reshape((5,3)) print(a) c=[1,3,4] # print(a[c]) d=np.nonzero(a[:, 2] == 0) print(d) print(a[d])    

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