torch.zeros
时间: 2023-10-14 22:11:25 浏览: 33
torch.zeros is a PyTorch function that creates a tensor filled with zeros. The function takes a size argument, which specifies the shape of the tensor, and optionally a dtype argument, which specifies the data type of the tensor (defaulting to float32).
Example:
```
import torch
# create a tensor of shape (2, 3) filled with zeros
x = torch.zeros((2, 3))
print(x)
# Output: tensor([[0., 0., 0.],
# [0., 0., 0.]])
# create a tensor of shape (3, 4, 5) filled with zeros of data type int
y = torch.zeros((3, 4, 5), dtype=torch.int)
print(y)
# Output: tensor([[[0, 0, 0, 0, 0],
# [0, 0, 0, 0, 0],
# [0, 0, 0, 0, 0],
# [0, 0, 0, 0, 0]],
#
# [[0, 0, 0, 0, 0],
# [0, 0, 0, 0, 0],
# [0, 0, 0, 0, 0],
# [0, 0, 0, 0, 0]],
#
# [[0, 0, 0, 0, 0],
# [0, 0, 0, 0, 0],
# [0, 0, 0, 0, 0],
# [0, 0, 0, 0, 0]]], dtype=torch.int32)
```
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