# stiff_commands.txt
#
# Usage:
#  gnuplot < stiff_commands.txt
#
set term png
set output 'stiff.png'
set xlabel '<-- T -->'
set ylabel '<-- Y(T) -->'
set title 'Stiff ODE: bdf2 method'
set grid
set style data lines
plot 'stiff_data1.txt' using 1:2 with lines lw 3 lt rgb 'red',\
     'stiff_data2.txt' using 1:2 with lines lw 3 lt rgb 'blue'
quit