set terminal postscript enhanced set key left top set title "3-D Interpolation Timing Data, Resolution 3" set xlabel "Number of Extra Points, S_k" set ylabel "Average Interpolation Time (s)" set yrange [0.0:0.15] plot 'time.out' u 1:10 t 'order 2' w lp, \ '' u 1:11 t 'order 3' w lp, \ '' u 1:12 t 'order 4' w lp, \ '' u 1:13 t 'order 5' w lp;