import numpy as np import matplotlib.pyplot as plt import time import math import collections raw_data_x = [[3.39,2.33], [3.11,1.78], [1.34,3.36], [3.58,4.67], [2.28,2.86], [7.442,4.69], [5.74,3.53], [9.17,2.51], [7.79,3.42], [7.93,0.79] ] raw_data_y