set terminal postscript portrait
set title "Solution of 2-pt BVP using O(h^4) FDA   (level 4, 17 mesh points)"
set xlabel "x"
set ylabel "u(x)"
set size 0.760,1.0
set output "soln4.ps"
plot [0:1] [-1:1] sin(6.28318530717958*x) t "u_exact(x)",  "out4" t "u(x)"
quit