Mercurial > hg > camir-aes2014
diff toolboxes/FullBNT-1.0.7/nethelp3.3/mlphdotv.htm @ 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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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/toolboxes/FullBNT-1.0.7/nethelp3.3/mlphdotv.htm Tue Feb 10 15:05:51 2015 +0000 @@ -0,0 +1,45 @@ +<html> +<head> +<title> +Netlab Reference Manual mlphdotv +</title> +</head> +<body> +<H1> mlphdotv +</H1> +<h2> +Purpose +</h2> +Evaluate the product of the data Hessian with a vector. + +<p><h2> +Synopsis +</h2> +<PRE> +hdv = mlphdotv(net, x, t, v)</PRE> + + +<p><h2> +Description +</h2> + +<p><CODE>hdv = mlphdotv(net, x, t, v)</CODE> takes an MLP network data structure +<CODE>net</CODE>, together with the matrix <CODE>x</CODE> of input vectors, the +matrix <CODE>t</CODE> of target vectors and an arbitrary row vector <CODE>v</CODE> +whose length equals the number of parameters in the network, and +returns the product of the data-dependent contribution to the Hessian +matrix with <CODE>v</CODE>. The implementation is based on the R-propagation +algorithm of Pearlmutter. + +<p><h2> +See Also +</h2> +<CODE><a href="mlp.htm">mlp</a></CODE>, <CODE><a href="mlphess.htm">mlphess</a></CODE>, <CODE><a href="hesschek.htm">hesschek</a></CODE><hr> +<b>Pages:</b> +<a href="index.htm">Index</a> +<hr> +<p>Copyright (c) Ian T Nabney (1996-9) + + +</body> +</html> \ No newline at end of file