vault backup: 2026-05-07 15:17:11

This commit is contained in:
Dmitry
2026-05-07 15:17:11 +03:00
parent 64370cafc3
commit b0d9250fd9
2 changed files with 5 additions and 1 deletions
@@ -34,3 +34,7 @@ $$\begin{align*}
\end{align*}$$
Отдельно вычисляем каждую часть:
$$\frac{dE}{dy_{l}} = y_{l}-d_{l}$$
(производная MSE):$$\frac{dy_{l}}{dS_{l}^{(2)}}=f^{'}(s_{l}^{(2)})=\frac{df(s_{l}^{(2)})}{ds_{l}^{(2)}}$$(производная функции активации):$$\frac{ds_{l}^{(2)}}{dw_{li}^{(2)}}=u_{i}$$
Собираем вместе:
$$\frac{dE}{dw_{li}^{(2)}}=(y_{l}-d_{l})*f^{'}(s_{l}^{(2)})*u_{i}$$