Talk:Enneper surface

For a nice plot in SageMath:

sage: u, v = var('u,v')
sage: x = 1/4*(u**3-3*u-3*u*v*v)
sage: y = 1/4*(3*v+3*u*u*v-v**3)
sage: z = 3/4*(v*v-u*u)
sage: cf = lambda u,v: min((u**2/9+v**2/9)/4,1)
sage: cm = colormaps.Oranges
sage: parametric_plot3d((x,y,z),(u,-3,3),(v,-3,3),color=(cf,cm))