comparison toolboxes/FullBNT-1.0.7/netlab3.3/neterr.m @ 0:e9a9cd732c1e tip

first hg version after svn

+function [e, varargout] = neterr(w, net, x, t)
+%NETERR	Evaluate network error function for generic optimizers
+%
+%	Description
+%
+%	E = NETERR(W, NET, X, T) takes a weight vector W and a network data
+%	structure NET, together with the matrix X of input vectors and the
+%	matrix T of target vectors, and returns the value of the error
+%	function evaluated at W.
+%
+%	[E, VARARGOUT] = NETERR(W, NET, X, T) also returns any additional
+%	return values from the error function.
+%
+%	See also
+%	NETGRAD, NETHESS, NETOPT
+%
+
+%	Copyright (c) Ian T Nabney (1996-2001)
+
+errstr = [net.type, 'err'];
+net = netunpak(net, w);
+
+[s{1:nargout}] = feval(errstr, net, x, t);
+e = s{1};
+if nargout > 1
+  for i = 2:nargout
+    varargout{i-1} = s{i};
+  end
+end