set terminal pngcairo enhanced size 788,576 font "LMSans10" set output "energy.png" set title "Unbounded energy of coupled oscillators" set xlabel "Time" set ylabel "Energy" set log y 2 set grid unset key plot [0:45000] 'cco.dat' u 1:2 w d t 'Energy' unset log y set output "displacement.png" set title "Chaotic coupled oscillators" set ylabel "Displacement" plot [44000:44100][-3:3] 'cco.dat' u 1:3 w l t 'A', 'cco.dat' u 1:4 w l t 'B' set output "crisis.png" set title "Chaotic coupled oscillators" plot [44900:45000] 'cco.dat' u 1:3 w l t 'A', 'cco.dat' u 1:4 w l t 'B'