torch.stack()的使用_朝花&夕拾-CSDN博客_torch.stack()
https://blog.csdn.net/Teeyohuang/article/details/80362756torch.stack ()在这里插入图片描述一、准备数据二、dim=0三、dim=1四、dim=2 一、准备数据 首先把基本的数据准备好: import torch import numpy as np # 创建3*3的矩阵,a、b a=np.array([[1,2,3],[4,5,6],[7,8,9]]) b=np.array([[10,20,30],[40,50,60],[70,80,90]]) # 将矩阵转化为Tensor a = torch.from_numpy(a) b = torch.from_numpy(b) # 打印a、b、c ...
Stack vs Concat in PyTorch, TensorFlow & NumPy - Deep ...
deeplizard.com › learn › video> torch.stack( (t1,t2,t3) ,dim= 0) tensor([[1, 1, 1], [2, 2, 2], [3, 3, 3]]) This gives us a new tensor that has a shape of 3 x 3. Notice how the three tensors are concatenated along the first axis of this tensor.
torch.vstack — PyTorch 1.10.1 documentation
pytorch.org › docs › stabletorch.vstack. torch.vstack(tensors, *, out=None) → Tensor. Stack tensors in sequence vertically (row wise). This is equivalent to concatenation along the first axis after all 1-D tensors have been reshaped by torch.atleast_2d (). Parameters. tensors ( sequence of Tensors) – sequence of tensors to concatenate.
torch.stack — PyTorch 1.10.1 documentation
pytorch.org › docs › stabletorch.stack(tensors, dim=0, *, out=None) → Tensor. Concatenates a sequence of tensors along a new dimension. All tensors need to be of the same size. Parameters. tensors ( sequence of Tensors) – sequence of tensors to concatenate. dim ( int) – dimension to insert. Has to be between 0 and the number of dimensions of concatenated tensors ...
python - How to use torch.stack function - Stack Overflow
stackoverflow.com › questions › 52288635Sep 12, 2018 · One way would be to unsqueeze and stack. For example: a.size () # 2, 3, 4 b.size () # 2, 3 b = torch.unsqueeze (b, dim=2) # 2, 3, 1 # torch.unsqueeze (b, dim=-1) does the same thing torch.stack ( [a, b], dim=2) # 2, 3, 5. Share. Improve this answer. Follow this answer to receive notifications.
torch.stack()的官方解释,详解以及例子_xinjieyuan的博客-CSDN …
https://blog.csdn.net/xinjieyuan/article/details/10520532630.03.2020 · torch.stack ()在这里插入图片描述一、准备数据二、dim=0三、dim=1四、dim=2 一、准备数据 首先把基本的数据准备好: import torch import numpy as np # 创建3*3的矩阵,a、b a=np.array([[1,2,3],[4,5,6],[7,8,9]]) b=np.array([[10,20,30],[40,50,60],[70,80,90]]) # 将矩阵转化为Tensor a = torch.from_numpy(a) b = torch.from_numpy(b) # 打印a、b、c ...