[R] plot 3d

[Uwe Ligges]

Paolo Covelli wrote:
> 
> Hi
> is it possible to plot 3D functions in graphic window, such as f (x,y) = x^2
> + y^2. I have no found indications in Help_R.
> (thanks for your answers to my preceding questions)

See ?persp.

Uwe Ligges
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