from math import* import matplotlib.pyplot as plt def f(x): return exp(-x**2) def Euler(n): h=1/n x=0;L_x=[x] y=0;L_y=[y] for k in range(n): y=y+h*f(x) x=x+h L_x.append(x) L_y.append(y) # Affichage graphique plt.plot(L_x,L_y) plt.show() return L_x,L_y