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如何从旧数组(OLD)中获取新数组(NEW)?

import numpy as np
OLD=np.array([1,4,7,2,5,8,3,6,9])

NEW = [[1,2,3],[4,5,6],[7,8,9]]

NEW = OLD.reshape (???
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1 回答 1

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你的意思是这样吗?

>>> import numpy as np
>>> OLD = np.array([1,4,7,2,5,8,3,6,9])
>>> OLD.reshape((3, 3), order='F')
array([[1, 2, 3],
       [4, 5, 6],
       [7, 8, 9]])
于 2013-11-09T05:32:31.743 回答