# 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
set style data lines
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