# commands_l2.txt
#
# Usage:
#  gnuplot < commands_l2.txt
#
set term png
set output "l2.png"
set xlabel "<---NE--->"
set ylabel "<---L2(NE)--->"
set title "L2 error versus number of elements NE"
set logscale xy
set grid
set style data lines
plot "data.txt" using 1:2 with points pt 7 ps 2 lc rgb "blue",\
     "data.txt" using 1:2 lw 3 linecolor rgb "red"