# set terminal canvas  rounded size 600,400 enhanced fsize 10 lw 1.6 fontscale 1 name "contours_20" jsdir "."
# set output 'contours.20.js'
set key at screen 1, 0.9 right top vertical Right noreverse enhanced autotitle nobox
unset key
set style textbox opaque margins  0.5,  0.5 fc  bgnd noborder
set view 20, 340, 1, 1.1
set isosamples 60, 60
set cntrlabel  format '%8.3g' font ',7' start 2 interval 20
set hidden3d back offset 1 trianglepattern 3 undefined 1 altdiagonal bentover
set cntrparam order 8
set style data lines
set xyplane relative 0
set ztics  norangelimit logscale autofreq 
set title "Rosenbrock Function" 
set xlabel "x" 
set ylabel "y" 
set zlabel "Z " 
set zlabel  offset character 1, 0, 0 font "" textcolor lt -1 norotate
set logscale z 10
Rosenbrock(x,y) = (1-x)**2 + 100*(y - x**2)**2
u = 0.0
x = 0.0
GPFUN_Rosenbrock = "Rosenbrock(x,y) = (1-x)**2 + 100*(y - x**2)**2"
## Last datafile plotted: "glass.dat"
splot [-1.5:1.5] [-0.5:1.5] Rosenbrock(x,y)