Demo della classe DistanceMatrix

Dati per il test:

sample01 = 82.897, 488, 0.6381, 8.576, 
sample02 = 37.04, 512, 0.7935, 7.9293,
sample03 = 86.571, 617, 0.1518, 0.9705,
sample04 = 76.038, 876, 0.0883, 5.5867,
sample05 = 67.726, 687, 0.9145, 9.2478,
sample06 = 34.407, 979, 0.8148, 3.8348,
sample07 = 52.258, 462, 0.7132, 3.716,
sample08 = 75.141, 652, 0.8453, 8.3466,
sample09 = 17.546, 322, 0.0483, 1.5812,
sample10 = 35.786, 502, 0.6899, 3.1447,