# before_commands.txt
#
# Usage:
#  gnuplot < before_commands.txt
#
unset key
set term png
set output 'before.png'
set size ratio -1
set xlabel '<--- J --->'
set ylabel '<--- I --->'
set title '10020 nonzeros for "before"'
set timestamp
plot [y=0:1259] [x=-1259:0] 'before_data.txt' with points pt 5