Hopfield Network

Associative memory — content-addressable neural attractor dynamics

Stored Patterns (click cells to edit)

Preset Patterns

Hebbian learning: W = Σᵢ ξᵢξᵢᵀ/N
Update: sᵢ = sign(Σⱼ Wᵢⱼsⱼ)
Energy: E = -½ sᵀWs

Query (draw or corrupt a pattern)

Recall / Attractor State

Energy:
Energy over recall steps