backprop-is-gradient-computation-not-optimizer

IN premise — entries/2026/06/21/wiki-Backpropagation-chunk-1.md

Created 2026-06-21T09:55:49+00:00

Backpropagation is strictly a gradient computation algorithm (reverse-mode chain rule); it does not specify how weights are updated — that is the role of an optimizer such as SGD or Adam.