Broadcasting Semantics, PyTorch Authors, 2021 - Official documentation explaining PyTorch's rules for broadcasting tensors during operations.
Broadcasting, NumPy Developers, 2024 - Defines the fundamental broadcasting rules for array manipulation, which PyTorch closely follows.
2.1. NDArray (Tensor) - Operations, Aston Zhang, Zachary C. Lipton, Mu Li, and Alexander J. Smola, 2023 (Cambridge University Press) - A section from a widely used open-source deep learning textbook that covers tensor operations, including broadcasting, with PyTorch examples.