Question $1$

Consider a $2-$layer network with initial weights and biases

$w^1(0)=-1,b^1(0)=1,w^2(0)=-2,b^2(0)=1$ Inputs Tan$-$Sigmoid Layer Tan$-$Sigmoid Layer

Input target pair $((p=-1$ and $=1$

Perform one iteration of back propagation

$2$

Question $2$

Consider the $2-$layer network and derive the back propagation algorithm

Question $3$

Consider the $2-$layer network and derive the back propagation algorithm $t$ update the new weight matrices and bias vectors