set terminal postscript enhanced

set key left top

set title "2-D Interpolation Timing Data, order 4"

set xlabel "Number of Extra Points, S_k"
set ylabel "Average Interpolation Time (s)"

set yrange [0.0:0.08]

plot 'time.out' u 1:4  t 'Resolution 1' w lp, \
     ''         u 1:8  t 'Resolution 2' w lp, \
     ''         u 1:12 t 'Resolution 3' w lp, \
     ''         u 1:16 t 'Resolution 4' w lp;