set term png
set output "fd1d_advection_diffusion_steady.png"
set grid
set style data lines
set timestamp
unset key
set xlabel "<---X--->"
set ylabel "<---U(X)--->"
set title "Exact: green line, Approx: red dots"
plot "fd1d_advection_diffusion_steady_data.txt" using 1:2 with points pt 7 ps 2, \
"" using 1:3 with lines lw 3
quit