Exam python courbes

suptitle('circuit RLC, tension bobine')
#Odeint
X = linspace(t0,T,N)
Z0 = array((ul0,ulp0))
Y = odeint(f,Z0,X)
Ul=[e[0] for e in Y]
Ulp=[e[1] for e in Y]
subplot(2,2,1)
plot(X,Ul,label="UL")
plot(X,Ulp,label="UL'")
xlabel("temps(s)")
ylabel("tension(mV)")
title("Odeint")
legend()

#Euler
Y = euler(f,t0,T,Z0,N)
Ul=[e[0] for e in Y]
Ulp=[e[1] for e in Y]
subplot(2,2,2)
plot(X,Ul,label="UL")
plot(X,Ulp,label="UL'")
xlabel("temps(s)")
ylabel("tension(mV)")
title("Euler")
legend()

#Heun
Y = heun(f,t0,T,Z0,N)
Ul=[e[0] for e in Y]
Ulp=[e[1] for e in Y]
subplot(2,2,3)
plot(X,Ul,label="UL")
plot(X,Ulp,label="UL'")
xlabel("temps(s)")
ylabel("tension(mV)")
title("Heun")
legend()

tight_layout() # pour ajouter l'espace entre les figures

show()