F.unfold F.fold F.normalize()

import torch.nn.functional as F

F.unfold  https://blog.csdn.net/qq_34914551/article/details/102940368

F.normalize()https://blog.csdn.net/ECNU_LZJ/article/details/103653133?depth_1-utm_source=distribute.pc_relevant.none-task&utm_source=distribute.pc_relevant.none-task

F.fold  https://blog.csdn.net/AILEARNER_L/article/details/104701954