import os
import numpy as np
import matplotlib.pyplot as plt
listaplikow = os.listdir("dane")
minPos=[]
delta=[]
x=1
for plik in listaplikow:
pos,load = np.loadtxt("dane\\" + plik, delimiter='\t', skiprows=5, usecols=(0,1), unpack=True)
minPos.append(min(pos))
x=x+1
delta=minPos
■-minPos[x-1]
plt.plot(delta, x, 'r-')
plt.ylabel('delta')
plt.xlabel('nr petli')
plt.show()