+prologues:=2;
+
+verbatimtex
+%&latex
+\documentclass[12pt]{article}
+\usepackage{fourier}
+\begin{document}
+etex
+
+input mp-solid
+
+invnormalelum:=-1;
+
+figureespace(-10u,-10u,10u,10u);
+Initialisation(300,15,35.264,10);
+incolor:=0.5[green,white];
+outcolor:=0.25[orange,white];
+draw SurfZ("4*cos(X++Y)*mexp(-(X++Y)*50)",-15,15,-10,10,60,150);%60,120
+label(btex $f(z)=4\cos\left(\sqrt{x^2+y^2}\right)\textrm{e}^{-50\sqrt{x^2+y^2}}\mbox{ avec }\left\{\begin{array}{l}
+ x\in[-15,15]\\
+ y\in[-10,10]\\
+ \end{array}
+ \right.$ etex,u*(0,-5));
+finespace;
+end
\ No newline at end of file