Home > Software > Backprop Neural Net

Backpropagation Neural Network Learning Demo

Here's a neural network that I did using Java, and here is the code. This implementation is based on the one described in the book Neurocomputing, by Robert Hecht-Nielsen. (I took a couple of Hecht-Nielsen's courses on neural networks when I was a grad student at UCSD. They were great.)

Network Estimate

This is the network's estimate of the function as training progresses. To view the animation again you'll need to refresh the page.

Target Surface

This is the paraboloid function that the neural network is trying to learn: