set terminal epslatex font 8 color dashed
set output './ModeleLaTeX_TP-gnuplottex-fig3.tex'
set format '\num{%g}'
set key top left Left
set key width 2
set key heigh 1
set key spacing 1.7

set xlabel 'Tension U (\si{\volt})' # attention il faut parfois utiliser certains guillemets
# notamment quand on utilise la commande \si, il faut impérativement des primes '...'
set ylabel 'Courant I (\si{\milli\ampere})'

#R = 471000
# Création du fit des données
# ---
# la fonction de fit
#f(x)=(7.484-b)*exp(-(x-2.741)/a)+b
#fit f(x) 'condo/data_condo_100µF_8V_471kΩ_time.txt' index 0 u 1:2 via a,b
#C=a/R*1000000
#e=(100-C)/100*100
#title_f(a,b) = sprintf('\(\tau = RC = \SI{%.3f}{\second}\) ; \(C = \SI{%.3f}{\micro\farad}\) ; {%.1f}\%', a, C, e)

# Pour Gnuplot directement en ligne de commande
#plot [0.55:5][0:4] 'data_condo.txt' index 0 u 1:2

plot [0:3][0:30]\
'diode/data_L1.txt' index 0 u 1:2:3:4 title '\(R=\SI{187}{\ohm}\) LED verte ' pt 4 w xyerrorbars,\
'diode/data_L1.txt' index 1 u 1:2:3:4 title '\(R=\SI{187}{\ohm}\) LED rouge ' pt 4 w xyerrorbars,\
'diode/data_L1.txt' index 2 u 1:2:3:4 title '\(R=\SI{187}{\ohm}\) LED jaune ' pt 4 w xyerrorbars,\
'diode/data_L1.txt' index 3 u 1:2:3:4 title '\(R=\SI{187}{\ohm}\) LED verte sombre ' pt 4 w xyerrorbars