Original creation by Linas Vepstas <linas@linas.org>; using gnuplot with setup
set term svg
set out 'li.svg'
#
set data style lines
set key right
set xzeroaxis linetype -1 linewidth 2
set yzeroaxis linetype -1 linewidth 2
set xtics axis
set ytics axis
#
# set bmargin 2
set lmargin 5
#
# set yrange [-3:12]
unset border
set border 2
#
set title "logarithmic integral li(x)"
set xlabel "x" 0, 3
set ylabel "li(x)" -1, 0
plot "li.dat" using 1:2 title "" with lines linewidth 2
La bildo estas kopiita de wikipedia:en. La originala priskribo estas: == Summary == Graph of the logarithmic integral function li(x) in the range of 1.01 < x < 25 Original creation by Linas Vepstas <linas@linas.org>; using gnuplot with set