# predator_commands.txt
#
# Usage:
#  gnuplot < predator_commands.txt
#
set term png
set output "predator.png"
set xlabel "<-- Predator -->"
set ylabel "<-- Prey -->"
set title "Predator-prey solved by rk4()"
set grid
set style data lines
plot "predator_data.txt" using 2:3 with lines
quit