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https://creativecommons.org/licenses/by-sa/3.0CC BY-SA 3.0 Creative Commons Attribution-Share Alike 3.0 truetrue Gnuplot
set term svg size 680,600 enhanced font 'Times,12' #set term post eps enhanced color font 'Times,12' linewidth 2 set output 'TaylorCosAllSVG.svg' set multiplot set cntrparam levels 100 set contour base set isosamples 60,60 set samples 60,60 set xlabel "x" set ylabel "y" set zlabel "z" set xrange [-2*pi:2*pi] set yrange [-3:3] set zrange [-40:30] unset colorbox unset key # Draw the surface set pm3d set hidd set grid layerdefault linetype -1 linecolor rgb "gray" linewidth 0.200, linetype -1 linecolor rgb "gray" linewidth 0.200 set palette defined (-1 "blue", 0 "purple", 1 "red") i = {0.0,1.0} splot real(cos(x+i*y)) # Draw the lines unset cntrparam unset contour unset pm3d unset hidd set isosamples 20,20 set samples 20,20 splot real(cos(x+i*y)) lt rgb "black" # Draw the surface set zrange [-40:30] set cntrparam levels 100 set contour base set isosamples 60,60 set samples 60,60 set pm3d set hidd set grid layerdefault linetype -1 linecolor rgb "gray" linewidth 0.200, linetype -1 linecolor rgb "gray" linewidth 0.200 set palette defined (-1 "yellow", 0 "orange", 1 "red") i = {0.0,1.0} splot real(1-(x+i*y)**2/2! + (x+i*y)**4/4! - (x+i*y)**6/6! +(x+i*y)**8/8!) # Draw the lines unset cntrparam unset contour unset pm3d unset hidd set isosamples 20,20 set samples 20,20 splot real(1-(x+i*y)**2/2! + (x+i*y)**4/4! - (x+i*y)**6/6! +(x+i*y)**8/8!) lt rgb "black" set view 29,53 unset multiplot set term x11 set output