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+<html>
+<head>
+<title>
+Netlab Reference Manual netpak
+</title>
+</head>
+<body>
+<H1> netpak
+</H1>
+<h2>
+Purpose
+</h2>
+Combines weights and biases into one weights vector.
+
+<p><h2>
+Synopsis
+</h2>
+<PRE>
+w = netpak(net)
+</PRE>
+
+
+<p><h2>
+Description
+</h2>
+<CODE>w = netpak(net)</CODE> takes a network data structure <CODE>net</CODE> and
+combines the component weight matrices  into a single row
+vector <CODE>w</CODE>. The facility to switch between these two
+representations for the network parameters is useful, for example, in
+training a network by error function minimization, since a single
+vector of parameters can be handled by general-purpose optimization
+routines.  This function also takes into account a <CODE>mask</CODE> defined
+as a field in <CODE>net</CODE> by removing any weights that correspond to
+entries of 0 in the mask.
+
+<p><h2>
+See Also
+</h2>
+<CODE><a href="net.htm">net</a></CODE>, <CODE><a href="netunpak.htm">netunpak</a></CODE>, <CODE><a href="netfwd.htm">netfwd</a></CODE>, <CODE><a href="neterr.htm">neterr</a></CODE>, <CODE><a href="netgrad.htm">netgrad</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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