Numpy进阶之Less基础

花式索引和索引技巧：python >>> a = np.arange(12)**2 >>> a array([ 0, 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121], dtype=int32) >>> i = np.array([1,1,3,5,8]) >>> a[i] array([ 1, 1, 9, 25, 64]

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