fenêtre roulante Pytorch
import torch
x = torch.arange(10)#tensor([ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9])
x.unfold(0,4,3) #Tensor.unfold(dimension, window_size, step)
'''tensor([[0, 1, 2, 3],
[3, 4, 5, 6],
[6, 7, 8, 9]])'''
pythonized