set output 'propdist_z_2.ps' 
set term postscript enhanced color 'Helvetica,18'  
set grid 
set key top left 
set xlabel 'redshift z' 
set ylabel 'proper distance (Mpc)' 
set title 'Newtonian universe with matter only, H_0 = 70 ' 
plot [-0.003:0.06][] './calc_omega.out' using 2:8   with linespoints  pt 4 ps 0.5 lt 1 lc 1 lw 3       t '{/Symbol W}_M = 3.5'   ,                  './calc_omega.out' using 2:6   with linespoints  pt 4 ps 0.5 lt 1 lc -1 lw 3       t '{/Symbol W}_M = 1.0'   ,                  './calc_omega.out' using 2:4   with linespoints  pt 4 ps 0.5 lt 1 lc 3 lw 3       t '{/Symbol W}_M = 0.2'   
set output 
quit 
