Transcription of Appendix D Artificial Neural Network - MIT
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Appendix D Artificial Neural Network - MIT
1 Appedix D: Artificial Neural Network Artificial Neural Network (ANN) is a computational tool inspired by the Network of neurons in biological nervous system. It is a Network consisting of arrays of Artificial neurons linked together with different weights of connection. The states of the neurons as well as the weights of connections among them evolve according to certain learning rules. Practically speaking, Neural networks are nonlinear statistical modeling tools which can be used to find the relationship between input and output or to find patterns in vast database. ANN has been applied in statistical model development, adaptive control system, pattern recognition in data mining, and decision making under uncertainty. Classical Hebb s Rule Hebb s rule is a postulate proposed by Donald Hebb in 1949 [1]. It is a learning rule that describes how the neuronal activities influence the connection between neurons, , the synaptic plasticity.
Figure D.1-1 The plasticity within neural network. (A) The single connection between neuron i and neuron j. (B) A network of neurons connecting to neuron i. The perceptron is type of artificial neural network. It can be seen as the simple feedforward network acting as the binary classifier. D.2 Hopfield Model
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