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Artificial Intelligence and Soft Computing: Behavioral ... - Arteimi.info

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netj (t) = ∑∀iwij.ai(t) (18.3)<br />

where netj(t) denotes the net input to node j at time t, ai(t) is the activation<br />

level of node i at time t <strong>and</strong> wij is the weight connected between neuron i <strong>and</strong> j<br />

[8].<br />

The non-linearity associated with the neurons is presented in fig.18.8.<br />

outj(t) -1<br />

Fig.<br />

+1<br />

-1<br />

netj(t)<br />

+1<br />

The nonlinearity of neurons in fig.18.7.<br />

When netj (t)>0,<br />

aj(t+1) = aj (t) + outj (t) (1-aj(t)) (18.4)<br />

When netj (t)

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