Mercurial > hg > camir-aes2014
comparison toolboxes/FullBNT-1.0.7/netlabKPM/netgrad_weighted.m @ 0:e9a9cd732c1e tip
first hg version after svn
author | wolffd |
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date | Tue, 10 Feb 2015 15:05:51 +0000 |
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-1:000000000000 | 0:e9a9cd732c1e |
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1 function g = netgrad_weighted(w, net, x, t, eso_w) | |
2 %NETGRAD Evaluate network error gradient for generic optimizers | |
3 % | |
4 % Description | |
5 % | |
6 % G = NETGRAD(W, NET, X, T) takes a weight vector W and a network data | |
7 % structure NET, together with the matrix X of input vectors and the | |
8 % matrix T of target vectors, and returns the gradient of the error | |
9 % function evaluated at W. | |
10 % | |
11 % See also | |
12 % MLP, NETERR, NETOPT | |
13 % | |
14 | |
15 % Copyright (c) Ian T Nabney (1996-9) | |
16 | |
17 gradstr = [net.type, 'grad_weighted']; | |
18 | |
19 net = netunpak(net, w); | |
20 | |
21 g = feval(gradstr, net, x, t, eso_w); |