# 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 key on set grid 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