set output 'damped_plot_f.ps' 
set term postscript color enhanced 'Helvetica,18'   
set style line 1 lt rgb 'red' lw 3  
set style line 2 lt rgb 'green' lw 3  
set style line 3 lt rgb 'blue' lw 3  
set style line 4 lt rgb 'cyan' lw 3  
set style line 5 lt rgb 'violet' lw 3  
set grid 
set key bot left 
set ylabel 'Position (m)'  
set xlabel 'Time (s)' 
plot [0:3][-5:5] './make_damped.out' index 2 using 1:2         with lines ls 1 t 'critical'  ,                  './make_damped.out' index 3 using 1:2         with lines ls 3 t 'over'  
set output 
quit 
