import numpy as np
from matplotlib.pyplot import *

L,C1,C2 = np.loadtxt("capaciteXY-e=1-d=2.txt",unpack=True)
figure()
plot(L,C2,"b.",label="C par charge")
plot(L,C2,"b-")
plot(L,C1,"r.",label="C par energie")
plot(L,C1,"r-")
legend(loc="upper right")
grid()
xlabel("L",fontsize=16)
ylabel(r"$C/C_{\infty}$",fontsize=16)
xlim(0,40)
ylim(0,2)
                

import numpy as np
from matplotlib.pyplot import *

R,C1,C2 = np.loadtxt("capaciteRZ-e=1-d=2.txt",unpack=True)
figure()
plot(R,C1,"r.",label="C par énergie")
plot(R,C1,"r-")
plot(R,C2,"b.",label="C par charge")
plot(R,C2,"b-")
legend(loc="upper right")
grid()
xlabel("R",fontsize=16)
ylabel(r"$C/C_{\infty}$",fontsize=16)
xlim(0,40)
ylim(0,2)