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datafile="erho.dat"
## can also set the following options
#set title ""
set ylabel "$\\displaystyle\\frac{e_0}{\\rho}$" norotate
set xlabel "$\\log_{10}(\\rho)$"
#
#set xrange[:]
#set yrange [7:]
#
## start ticks at 0, then every x
#set xtics -6,2
#set ytics 8,2
## puts 4 minor tics between tics (5 intervals, i.e. every 0.01)
set mxtics 5
set mytics 5
# default output canvas size: 12.5cm x 8.75cm
set term lua tikz size 12.5,8.75 standalone
set key off
# 3=1+2 draw bottom and left sides of the box
#set border 3
# don't show tics on opposite sides
#set xtics nomirror
#set ytics nomirror
# set linestyle
set style line 1 linetype rgbcolor "#4169E1" linewidth 3
set style line 2 linetype rgbcolor "#DC143C" linewidth 3
set style line 3 linetype rgbcolor "#32CD32" linewidth 3
set style line 4 linetype rgbcolor "#4B0082" linewidth 3
set style line 5 linetype rgbcolor "#DAA520" linewidth 3
set pointsize 0.6
plot datafile using (log10($1)):($2/$1) with lines linestyle 1
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