Activation functions g(in) g(ini) +1 ini (a) (b) (a)is a step function or threshold function (b)is a sigmoid function 1/(1+e-*) Changing the bias weight Wo.:moves the threshold location Chapter 20.Section 55Activation functions (a) (b) +1 +1 ini ini g(ini g(in ) i) (a) is a step function or threshold function (b) is a sigmoid function 1/(1 + e−x) Changing the bias weight W0,i moves the threshold location Chapter 20, Section 5 5