logistic-sigmoid-derivative-formula
IN premise — entries/2026/06/21/wiki-Backpropagation-chunk-4.md
Created 2026-06-21T09:55:49+00:00
The logistic sigmoid function φ(z) = 1/(1 + e^(-z)) has the convenient derivative φ'(z) = φ(z)(1 - φ(z)).
IN premise — entries/2026/06/21/wiki-Backpropagation-chunk-4.md
Created 2026-06-21T09:55:49+00:00
The logistic sigmoid function φ(z) = 1/(1 + e^(-z)) has the convenient derivative φ'(z) = φ(z)(1 - φ(z)).