set title "Error function: computed vs. tabulated"
set encoding utf8
set term svg background rgb "white"
set out "Erf.svg"
set xlabel "x"
set ylabel "y"
set xzeroaxis
set yzeroaxis
set tics out
set key bottom right
plot [][-1.5:1.5] \
 "out.erf.txt" with lines title "erf(x)" \
,"table.erf.txt" with points pt 7 title "tabulated"
set term jpeg small size 128,64 crop
set out "erf.jpg"
set notitle
set noxlabel
set noylabel
set nokey
set tics out
set grid
set xtics format ""
set ytics format ""
replot