`In[1]: x = torch.rand(32, 3, 16, 16)`

`In[2]: torch.equal(F.fold(F.unfold(x, 3), x.shape[2], 3), x)`

`Out[2]: False`

Shouldn’t this return `True`

? If not, How do I inverse this operation?

I tried to run this on MNIST images, and visually I also see a difference at the edges of the digits.