<P> A single - layer feedforward artificial neural network . Arrows originating from x 2 (\ displaystyle \ scriptstyle x_ (2)) are omitted for clarity . There are p inputs to this network and q outputs . In this system, the value of the qth output, y q (\ displaystyle \ scriptstyle y_ (q)) would be calculated as y q = K ∗ (∑ (x i ∗ w i q) − b q) (\ displaystyle \ scriptstyle y_ (q) = K * (\ sum (x_ (i) * w_ (iq)) - b_ (q))) </P> <Li> <P> A two - layer feedforward artificial neural network . </P> </Li> <P> A two - layer feedforward artificial neural network . </P> <Li> <P> An artificial neural network . </P> </Li>

What do you mean by artificial neural network