Mercurial > hg > camir-aes2014

diff toolboxes/FullBNT-1.0.7/nethelp3.3/netgrad.htm @ 0:e9a9cd732c1e tip
first hg version after svn
author: wolffd
date: Tue, 10 Feb 2015 15:05:51 +0000
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+<html>
+<head>
+<title>
+Netlab Reference Manual netgrad
+</title>
+</head>
+<body>
+<H1> netgrad
+</H1>
+<h2>
+Purpose
+</h2>
+Evaluate network error gradient for generic optimizers
+
+<p><h2>
+Synopsis
+</h2>
+<PRE>
+g = netgrad(w, net, x, t)</PRE>
+
+
+<p><h2>
+Description
+</h2>
+
+<p><CODE>g = netgrad(w, net, x, t)</CODE> takes a weight vector <CODE>w</CODE> and a network
+data structure <CODE>net</CODE>, together with the matrix <CODE>x</CODE> of input
+vectors and the matrix <CODE>t</CODE> of target vectors, and returns the
+gradient of the error function evaluated at <CODE>w</CODE>.
+
+<p><h2>
+See Also
+</h2>
+<CODE><a href="mlp.htm">mlp</a></CODE>, <CODE><a href="neterr.htm">neterr</a></CODE>, <CODE><a href="netopt.htm">netopt</a></CODE><hr>
+<b>Pages:</b>
+<a href="index.htm">Index</a>
+<hr>
+<p>Copyright (c) Ian T Nabney (1996-9)
+
+
+</body>
+</html>
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