SGD in the PyTorch documentation (source code)

= SGD in the PyTorch documentation
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https://docs.pytorch.org/docs/2.15/generated/torch.optim.SGD.html

Pinned PyTorch2.15 primary API documentation. Algorithm pseudocode and lr parameter define the learning-rate-scaled gradient update. The scalar quadratic example sets momentum, weight decay and other modifications to zero; no PyTorch package or native build is run.

Further PyTorch2.15 locators: algorithm pseudocode and the note comparing momentum conventions, including first-buffer initialization and the handling of dampening at the first step.