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2 questions
2 quick questions:
(1) I'm trying to replicate a network, published in
a recent article, which uses "a Gaussian activation function that ranges
between 0 and 1, which a SD of 1. The [hidden] units generate a maximum
response of 1 when their net input is equal to the mean of the Gaussian."
I can't substitute the standard sigmoid function
in my replication because I'm interested in analyzing properties of the trained
hidden layer and that would defeat the point. Can what I'm trying to do be
done in PDP++? How do I substitute the gaussian for the sigmoid
function? Looking at page 21 of the manual
makes me pessimistic.
(2) I've tried to find the various example networks
for use with Computational Explorations in Cog-Neuroscience but without much
luck. I"ve used both Windows and PDP++ to try to locate them.
I'm not entirely sure that the standard
downloadable package includes the examples at all. Am I wrong about
that? Where are they? Do I need to download them separately?
What's the URL?
Thanks very much.
Luke
Carleton University
Cog-Sci