# set terminal canvas rounded size 600,400 enhanced fsize 10 lw 1.6 fontscale 1 name "surface1_15" jsdir "." # set output 'surface1.15.js' set dummy u, v set label 1 "This is equal to 1" at 0.00000, 3.20000, 1.00000 left norotate back nopoint set arrow 1 from 0.00000, 3.00000, 1.00000 to 0.00000, 0.00000, 1.00000 head back nofilled linewidth 1.000 dashtype solid set samples 51, 51 set isosamples 21, 21 set style data lines set title "Sinc function" set xlabel "X axis" set xlabel offset character -3, -2, 0 font "" textcolor lt -1 norotate set xrange [ -1.00000 : 1.00000 ] noreverse nowriteback set ylabel "Y axis" set ylabel offset character 3, -2, 0 font "" textcolor lt -1 rotate set yrange [ -1.00000 : 1.00000 ] noreverse nowriteback set zlabel "Z axis" set zlabel offset character -5, 0, 0 font "" textcolor lt -1 norotate set zrange [ -1.00000 : 1.00000 ] noreverse nowriteback sinc(u,v) = sin(sqrt(u**2+v**2)) / sqrt(u**2+v**2) GPFUN_sinc = "sinc(u,v) = sin(sqrt(u**2+v**2)) / sqrt(u**2+v**2)" x = 0.0 ## Last datafile plotted: "$grid" splot [-5:5.01] [-5:5.01] sinc(u,v)