问火炬衬垫

EN

def my_odd_padding(list_of_2d_tensors, pad_value):
  # get the sizes of the matrices
  hs = [t_.shape[0] for t_ in list_of_2d_tensors]
  ws = [t_.shape[1] for t_ in list_of_2d_tensors]
  # allocate space for output
  result = torch.zeros(sum(hs), sum(ws))
  result.add_(pad_value)
  fh = 0
  fw = 0
  for i, t_ in enumerate(list_of_2d_tensors):
    result[fh:fh+hs[i], fw:fw+ws[i]] = t_
    fh += hs[i]
    fw += ws[i]
  return result