# parameters of plot for sp131.f unset title unset label unset xlabel unset ylabel unset yrange unset logscale x unset logscale y set xlabel 'time(sec)' set ylabel 'y(m)' set grid set xrange[0:5] set yrange[-40:20] plot 'sp131.dat' using 1:2 title 'free fall' pt 7 ps 3 lt 2