Pytorch, Torch, Torchvision, Deep Learning, Python.
Grad: tensor([-0.4619, 2.9863], grad_fn=<StackBackward0>) loss value: 2.973456 Grad: tensor([-0.4599, 2.9735], grad_fn=<StackBackward0>) loss value: 2.962558 Grad: tensor([-0.4582, 2.9626], grad_fn=<StackBackward0>) loss value: 2.953590 Grad: tensor([-0.4569, 2.9536], grad_fn=<StackBackward0>) loss