input mp-solid

figureespace(-10u,-10u,10u,10u);
Initialisation(500,-50,10,60);
incolor:=jaune;
outcolor:=ciel;
draw SurfZ("10*(X**3+X*(Y**4)-(X/5))*exp(-(X**2+Y**2))+exp(-((X-1.225)**2+Y**2))",-4,4,-4,4,45,120);
finespace;
end