#!/usr/local/bin/gnuplot set size square set style data lines set key at 7,3 set xlabel "x" set ylabel "y" a=4.0 b=1.0 w=1.0 omega=w*a*b/(a+b)**2 timescale=2*pi/omega print "timescale=", timescale print "timescale/4=", timescale/4 set xrange [-a:a] set yrange [-a:a] plot "0000000000.dat" u 2:3 t "t=0.0", \ "0000000050.dat" u 2:3 t "t=0.5", \ "0000000100.dat" u 2:3 t "t=1.0", \ "0000000150.dat" u 2:3 t "t=1.5", \ "0000000200.dat" u 2:3 t "t=2.0", \ "0000000250.dat" u 2:3 t "t=2.5", \ "0000000300.dat" u 2:3 t "t=3.0", \ "0000000350.dat" u 2:3 t "t=3.5", \ "0000000400.dat" u 2:3 t "t=4.0", \ "0000000450.dat" u 2:3 t "t=4.5", \ "0000000500.dat" u 2:3 t "t=5.0", \ "0000000550.dat" u 2:3 t "t=5.5", \ "0000000600.dat" u 2:3 t "t=6.0", \ "0000000650.dat" u 2:3 t "t=6.5", \ "0000000700.dat" u 2:3 t "t=7.0", \ "0000000750.dat" u 2:3 t "t=7.5", \ "0000000800.dat" u 2:3 t "t=8.0", \ "0000000850.dat" u 2:3 t "t=8.5", \ "0000000900.dat" u 2:3 t "t=9.0", \ "0000000950.dat" u 2:3 t "t=9.5", \ "0000000980.dat" u 2:3 t "t=9.8" pause -1