Algorithmen:
https://ethz.ch/content/dam/ethz/special-interest/dual/educeth-dam/documents/Unterrichtsmaterialien/mathematik/Irrfahrten%20auf%20Graphen,%20Matrizen%20und%20Google%27s%20PageRank/markov_neu_aug13.pdf
https://ethz.ch/content/dam/ethz/special-interest/dual/educeth-dam/documents/Unterrichtsmaterialien/mathematik/k-means-algorithmus/Der%20K-Means%20Algorithmus.pdf
https://www-m9.ma.tum.de/material/felix-klein/clustering/Methoden/K-Means.php