The activation function will be $(1-$ e$^2$x$)/(1+$ e$^2$x$)$ right? And also provide the f$\text{'}($u$1)$ formula$\mathrm{.}6\mathrm{.}2$ Find the new weights when the net illustrated in Figure $6\mathrm{.}12$ is presented the input

pattern $(-1,1)$ and the target output is $1.$ Use a learning rate of $=0\mathrm{.}25,$ and the

bipolar sigmoid activation function.

Chap. $6$

Exercises