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Definition of "Hopfield network" |
a recurrent, associative neural network with n processing elements. Each of the processing elements receives inputs from all the others. The input that a processing element receives from itself is ignored. All of the processing elements output signals are bipolar. The network has an energy function associated with it; whenever a processing element changes state, this energy function always decreases. Starting at some initial position, the system’s state vector simply moves downhill on the network’s energy surface until it reaches a local minimum of the energy function. This convergence process is guaranteed to be completed in a fixed number of steps. |
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