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Subject: Re: how newff works in matrix?
Date: Mon, 10 Nov 2008 04:26:02 +0000 (UTC)
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Walter Roberson <roberson@hushmail.com> wrote in message > 
> Well here goes...
> 
> ??? Undefined function or method 'minmax' for input arguments of type 'double'.
> 
> Mind you, if it hadn't failed there, it would have failed because it doesn't know what
> newff is.
> 
> Looking at your call to 'train', I would suspect that you are trying to use
> functions from the Neural Network Toolbox. If so... sorry, the weekend regulars
> around here tend not to have the Neural Network Toolbox.
> 
> {Myself, I can't see any reason why y2 should approximate y1 any better than would
> have been the case for Q = meshgrid(sort(rand(1,5)),1:4) so it is probably a good
> thing that I don't do any NN work! }
> 

As inputs, Q(1,:) = P(1,:), therefore if the net relationship was built, y1(1,:) would be equal to or approximate y2(1,:). So the wrong result probably attributed to the failed net building?