gnuplot> set grid gnuplot> plot [x=0:15] sin(x)*cos(x)/x gnuplot> set terminal postscript eps gnuplot> set output "ex2d.eps" gnuplot> replot
gnuplot> set hidden3d gnuplot> set sample 30 gnuplot> set isosamples 30 gnuplot> set contour base gnuplot> splot [x=-15:15] [y=-15:15] sin(x)/x*sin(y) gnuplot> set terminal postscript eps gnuplot> set output "ex3d.eps" gnuplot> replot
gnuplot> plot "test.prn","fitting.dat" gnuplot> set terminal postscript gnuplot> set output "gnuplot-fitting.ps" gnuplot> replot