Question: What is the purpose or function of the . backward ( ) method in PyTorch's Autograd It defines the neural network architecture. It computes the

What is the purpose or function of the .backward() method in PyTorch's Autograd
It defines the neural network architecture.
It computes the gradients of the loss with respect to the model's parameters.
It loads data into the model.
It performs data augmentation during training.
What is the purpose or function of the . backward

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