lemac
2020-01-31 20:12
您可以像这样使用numpy.meshgrid（）：
np.array(np.meshgrid([4, 6], [2, 4], [1, 5])).T.reshape(-1,3)
结果是：
array([[4, 2, 1],
[4, 4, 1],
[6, 2, 1],
[6, 4, 1],
[4, 2, 5],
[4, 4, 5],
[6, 2, 5],
[6, 4, 5]])
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