Neural Networks

Neural Networks
cell body, neuron, axon, synapses, spike trains
computational unit
Artificial Neural networks

x1, x2, x3 -> Θ(unit: Perceptron) -> y
Σi=1 Xi・Wi (activation) >= Θ firing
output yes: y:1, no: y:0

e.g.
x1 = 1, X2 = 0, X3 = -1.5, w1 = 1/2, w2 = 3/5, w3 = 1
1*1.2 + 0*3.5-1.5*1 = -1
Θ = 0
out put should be y=0

How powerful is a perceptron unit