torch.zeros(1,10).scatter_(1,a,1)
时间: 2023-10-24 09:06:14 浏览: 97
This line of code creates a tensor of size 1x10 filled with zeros using the `torch.zeros` function. It then calls the `scatter_` method on the tensor, which takes three arguments.
The first argument is the dimension along which to scatter the values. In this case, we're scattering along the second dimension (since the tensor has shape 1x10).
The second argument is a tensor containing the indices where we want to scatter the values. In this case, `a` is a tensor of shape 1x5 containing five indices between 0 and 9 (inclusive).
The third argument is the value to scatter at each index. In this case, we're scattering the value 1 at each of the five indices specified in `a`.
Overall, this line of code creates a tensor of size 1x10 with five 1's at the positions specified by `a`, and zeros everywhere else.
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