Mercurial > hg > camir-aes2014
diff toolboxes/FullBNT-1.0.7/nethelp3.3/som.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/som.htm Tue Feb 10 15:05:51 2015 +0000 @@ -0,0 +1,58 @@ +<html> +<head> +<title> +Netlab Reference Manual som +</title> +</head> +<body> +<H1> som +</H1> +<h2> +Purpose +</h2> +Creates a Self-Organising Map. + +<p><h2> +Synopsis +</h2> +<PRE> + +net = som(nin, map_size) +</PRE> + + +<p><h2> +Description +</h2> +<CODE>net = som(nin, map_size)</CODE> creates a SOM <CODE>net</CODE> +with input dimension (i.e. data dimension) <CODE>nin</CODE> and map dimensions +<CODE>map_size</CODE>. Only two-dimensional maps are currently implemented. + +<p>The fields in <CODE>net</CODE> are +<PRE> + + type = 'som' + nin = number of inputs + map_dim = dimension of map (constrained to be 2) + map_size = grid size: number of nodes in each dimension + num_nodes = number of nodes: the product of values in map_size + map = map_dim+1 dimensional array containing nodes + inode_dist = map of inter-node distances using Manhatten metric +</PRE> + + +<p>The map contains the node vectors arranged column-wise in the first +dimension of the array. + +<p><h2> +See Also +</h2> +<CODE><a href="kmeans.htm">kmeans</a></CODE>, <CODE><a href="somfwd.htm">somfwd</a></CODE>, <CODE><a href="somtrain.htm">somtrain</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