Python对二维数组按指定列排序

import numpy as np import numpy as np data = np.array([[1,9,3,4,5], [1,3,3,6,7], [2,2,4,5,7], [3,1,5,6,7], [4,6,6,7,8]]) # 按照第一列排序 idex=np.lexsort([data[:,1]]) sorted_data = data[idex, :] print(sorted

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