# 2D-kromme import matplotlib.pyplot as plt import numpy as np fig = plt.figure (figsize = (7, 7)) data1 = np.loadtxt ('020106000072_882.txt') data2 = np.loadtxt ('020106000072_875.txt') ax = fig.add_subplot () ax.set_aspect ("equal") ax.set_xlim ([-4, 4]) ax.set_ylim ([-4, 4]) plt.plot (data1[:,0], data1[:,1], color = "red") plt.plot (data2[:,0], data2[:,1], color = "blue") plt.show ()