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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 (???
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]])