neural network analysis and modelling

Hello Sirs,

I am new at using Matlab. Though, I find the help and documentation very instructive; I have made tremendous progress in the of nnftool but the problem I have is fetching out the equation from the analysis.

Helpf contributions are welcome to get an equation that relates the inputs to the output/target.

Thanking you all.

Answer 1

[Greg Heath]

1. Obtain the weights IW,b1,LW and b2 from the net.

2. Normalize x and t to get xn and tn

yn = repmat(b2,1,N)+ LW*tansig(repmat(b1,1,N)+IW*xn);

2. Unnormalize yn to get y