Pytorch, Torch, Torchvision, Deep Learning, Python.
gradient calculations in the Neural Network structure. First, we define a class that returns a loss value. class model(): def __init__(self, w): self.w = w def _forward(self, x, w): return x * w def loss_(self, x, y): pred = self._forward(x, w) return (pred - y)**2 Now we try to update the loss