set output 'alias_sample_2.ps' set term postscript enhanced color 'Helvetica,18' set grid set key top left set xlabel 'Time (days) ' set ylabel 'Magnitude of star' set title 'A light curve with period P = 0.63 days' plot [0:5][-0.45:0.45] './sample_0.01.dat' using 1:2 with lines lt 1 lc 1 lw 2 t '' , './sample_1.00.dat' using 1:2 with points pt 5 ps 1.5 lt 1 lc 1 lw 2 t '' , './alias_0.01.dat' using 1:2 with lines lt 1 lc -1 lw 4 t 'period 0.3865 days' set output quit