set title "Error function: computed vs. tabulated"
set term svg
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