Mercurial > hg > camir-aes2014
diff toolboxes/FullBNT-1.0.7/netlab3.3/netderiv.m @ 0:e9a9cd732c1e tip
first hg version after svn
| author | wolffd |
|---|---|
| date | Tue, 10 Feb 2015 15:05:51 +0000 |
| parents | |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/toolboxes/FullBNT-1.0.7/netlab3.3/netderiv.m Tue Feb 10 15:05:51 2015 +0000 @@ -0,0 +1,19 @@ +function g = netderiv(w, net, x) +%NETDERIV Evaluate derivatives of network outputs by weights generically. +% +% Description +% +% G = NETDERIV(W, NET, X) takes a weight vector W and a network data +% structure NET, together with the matrix X of input vectors, and +% returns the gradient of the outputs with respect to the weights +% evaluated at W. +% +% See also +% NETEVFWD, NETOPT +% + +% Copyright (c) Ian T Nabney (1996-2001) + +fstr = [net.type, 'deriv']; +net = netunpak(net, w); +g = feval(fstr, net, x);