set terminal postscript enhanced set key left top set title "2-D Interpolation Timing Data, Resolution 1" set xlabel "Number of Extra Points, S_k" set ylabel "Average Interpolation Time (s)" set yrange [0.0:0.08] plot 'time.out' u 1:2 t 'Order 2' w lp, \ '' u 1:3 t 'Order 3' w lp, \ '' u 1:4 t 'Order 4' w lp, \ '' u 1:5 t 'Order 5' w lp;