# commands_h1.txt
#
# Usage:
#  gnuplot < commands_h1.txt
#
set term png
set output 'h1.png'
set xlabel '<---NE--->'
set ylabel '<---H1(NE)--->'
set title 'H1 error versus number of elements NE'
set logscale xy
set size ratio -1
set grid
set style data lines
plot 'data.txt' using 1:3 with points pt 7 ps 2 lc rgb 'blue',\
     'data.txt' using 1:3 lw 3 linecolor rgb 'red'