The second neural networks paradigm that is implemented in the library is the Kohonen
Topology Preserving Mapping Algorithm [Kohonen 1989]. The following sets of
routines are implemented:
A Kohonen network can be trained with the standard Kohonen
learning algorithm and some of its variants. Among these are, the algorithm
that only updates the units in a small and limited neighborhood around the
unit that is closest to the data input vector, and the algorithm that updates
all units, but weighed with a function of the distance to the closest
unit, e.g. see [Kohonen 1989].
The functions used in this context are
koh_adapt_unit,
koh_adapt_net
and koh_learn.
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