PyTorch Tensors + Autograd

Outcome: run gradient check; overfit tiny MLP from scratch. Curated video (13:42, verified 2026-09-24 via yt-dlp): PyTorch Autograd Explained - In-depth Tutorial (Elliot Waite) Watch: https://www.youtube.com/watch?v=MswxJw-8PvE Notes: Autograd basics, backward graphs, complex graph computations, advanced tensor functions. Lab: run a gradient check, then overfit a tiny MLP from scratch (training-loop article follows). Key moments: 0:00 Autograd basics; 1:21 Backward graphs; 3:15 Complex graphs; 5:53 Advanced tensor functions; 8:32 Graph intricacies; 11:09 Finalizing backward passes.