reset
set terminal postscript eps enhanced font "Arial-narrow" 24
set output "fig_gpl_LN_plot1.eps"
set size ratio 0.7

set logscale x
set xrange [0.01:100]
set yrange [-9:9]
set mxtics 10
set ytics -8,2,8

set grid xtics ytics mxtics mytics

set xlabel "Name of x-axis"
set ylabel "Name of y-axis"

plot \
"-" with linespoints lt 1 pt 7 lw 5 ps 3 notitle, \
"-" with linespoints lt 2 pt 8 lw 5 ps 3 notitle
  0.01  -8
  0.10  -1
  1      2
 10      4
 50      3
100      2
e
  0.01   3
  0.10   6
  1      5
  7      2
 50     -4
100     -8
e