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📅 最后修改于: 2022-03-11 14:45:10.367000 🧑 作者: Mango
a = np.array([[1,2],[1,2]]) b = np.repeat(a[:, :, np.newaxis], 3, axis=2) print(b[:, :, 0]) # [[1 2] # [1 2]] print(b[:, :, 1]) # [[1 2] # [1 2]] print(b[:, :, 2]) # [[1 2] # [1 2]]