vault backup: 2026-05-14 15:27:11

This commit is contained in:
Dmitry
2026-05-14 15:27:11 +03:00
parent 273f7952e7
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@@ -10,7 +10,10 @@ title: КР - Персептрон
# КР - Персептрон
## Схема персептрона
![[Pasted image 20260514152232.png|400]]
$$u_{i}=f(\sum\limits_{j=0}^{n}w_{ij}^{(1)}x_{j}),\ i=\overline{1,k}$$
$$y_{l}=f(\sum\limits_{i=0}^{k}w_{li}^{(2)}u_{i}),\ l=\overline{1,m},\ i=\overline{1,k}$$
$$y_{l}=f(\sum\limits_{i=0}^{k}w_{li}^{(2)}f(\sum\limits_{j=0}^{n}w_{ij}^{(1)}x_{j}))$$
## Формальный нейрон - Персептрон
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$$y_{i}=\sum\limits_{j=1}^{N}w_{ij}x_{j}$$
## Алгоритм ОРО
1. Прямой проход сети. Инициализация весов маленькими значениями
2. На последнем слое $$\delta_{j}^{(N)}=(y_{j}-d_{j})y_{j}^{'};\ \ \Delta w_{ij}^{(N)}=-\eta \delta_{j}^{(N)}y_{i}^{(N-1)}$$
3. При обратном распространении (n<N):
$$\delta_{i}^{(n)}=y_{i}^{'(n)}\sum\limits$$
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