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### Problem Set 3 (19.5 - 26.5.08)

#### Exercise 1

In this exercise we want to implement the SOM algorithm (see analytical exercise 3) for a simple example.

- Implement the SOM algorithm for the 1d topology (i.e., points on a line). The dimension of the data space can be arbitrary (though we will concentrate on the 2d case). As usual, the algorithm should be encapsulated in an object oriented way.
- Test the algorithm on a 2d data distribution and visualize the result.
- Write a simple unittest that does at least test that the algorithm runs without an exception.