matrix-backprop-only-feedforward-no-skip-connections

IN premise — entries/2026/06/21/wiki-Backpropagation-chunk-2.md

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

The clean matrix multiplication formulation of backpropagation applies to feedforward networks with no skip connections and a scalar loss function; more general architectures require the adjoint graph / reverse-mode AD framework.