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numpy.tile(A, reps):通过重复A给出的次数来构造数组。Parameters: A : array_likeThe input array.reps : array_likeThe number of repetitions of A along each axis.Returns: c : ndarrayThe tiled output array.Examp...

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numpy.random.shuffle注：打乱数组时，只沿着多维数组的第一个轴移动数组。子数组的顺序改变了，但它们的内容保持不变．shuffle(x) Modify a sequence in-place by shuffling its contents. This function only shuffles the array along the fi...