net = somunpak(net, w)
net = somunpak(net, w) takes a SOM data structure net and
weight matrix w (each node represented by a row) and
puts the nodes back into the multi-dimensional array net.map.
The ordering of the parameters in w is defined by the indexing of the
multi-dimensional array net.map.
som, sompakCopyright (c) Ian T Nabney (1996-9)