set terminal postscript enhanced
set key left top
set title "2-D Interpolation Timing Data, Order 3"
set xlabel "Number of Extra Points, S_k"
set ylabel "Average Interpolation Time (s)"
set yrange [0.0:0.08]
plot 'time.out' u 1:3 t 'Resolution 1' w lp, \
'' u 1:7 t 'Resolution 2' w lp, \
'' u 1:11 t 'Resolution 3' w lp, \
'' u 1:15 t 'Resolution 4' w lp;