# least_squares_commands.txt
#
# Usage:
#  gnuplot < least_squares_commands.txt
#
set term png
set output "least_squares_plots.png"
set xlabel "<-- X -->"
set ylabel "<-- Y -->"
set title "Formula (green), Data (blue), least squares fit (red)"
set grid
set timestamp
set key on
plot 'least_squares1_data.txt' using 1:2 with points lw 3 lt rgb 'blue' title 'Data', \
     'least_squares2_data.txt' using 1:2 with lines lw 3 lt rgb 'red' title 'Least Squares Line',\
     'least_squares3_data.txt' using 1:2 with lines lw 3 lt rgb 'green' title 'Exact Formula'
quit