# set terminal svg size 600,400 dynamic enhanced fname 'arial' fsize 10 mousing name "contours_23" butt solid # set output 'contours.23.svg' set logscale z 10 set view 20, 340, 1, 1 set isosamples 60, 60 set hidden3d back offset 1 trianglepattern 3 undefined 1 altdiagonal bentover set style data lines set ticslevel 0 set title "Rosenbrock Function" set xlabel "x" set ylabel "y" set zlabel "Z axis" set zlabel offset character 1, 0, 0 font "" textcolor lt -1 norotate splot [-1.5:1.5] [-0.5:1.5] (1-x)**2 + 100*(y - x**2)**2