http://pytorch.org/docs/master/torch.html#torch.stack

http://pytorch.org/docs/master/torch.html#torch.where

http://pytorch.org/docs/master/torch.html#torch.set_default_tensor_type

http://pytorch.org/docs/master/torch.html#torch.chunk
^all the above done via [ready] torch.* doc update for Variable/Tensor merge, and other improvements #5443

http://pytorch.org/docs/master/torch.html#torch.default_generator

torch.randn_like

tensor.index_put_