3.1 What is PyTorch?

3.1.1 Tensors

Assignment

Make use of the pytorch docs http://pytorch.org/docs/torch

1. Make a tensor of size (2, 17)
2. Make a torch.FloatTensor of size (3, 1)
3. Make a torch.LongTensor of size (5, 2, 1)
   • fill the entire tensor with 7s
4. Make a torch.ByteTensor of size (5,)
   • fill the middle 3 indices with ones such that it records [0, 1, 1, 1, 0]

3.1.2 Operations

Assignment

1. multiplication of two tensors (see torch.Tensor.mul)
2. do the same, but inplace
3. division of two tensors (see torch.Tensor.div)
4. perform a matrix multiplication of two tensors of size (2, 4) and (4, 2)

3.1.3 Numpy Bridge

Assignment

1. create a tensor of size (5, 2) containing ones