set terminal postscript enhanced set key left top set title "3-D Interpolation Timing Data, Resolution 2" set xlabel "Number of Extra Points, S_k" set ylabel "Average Interpolation Time (s)" set yrange [0.0:0.15] plot 'time.out' u 1:6 t 'order 2' w lp, \ '' u 1:7 t 'order 3' w lp, \ '' u 1:8 t 'order 4' w lp, \ '' u 1:9 t 'order 5' w lp;