[R] Plot z=f(x,y) analytically

[chappo007]

Hi,

I've been led to believe that in R  it is possible to produce a 3d
analytical plot of a function.  I've been pointed in the direction of
plot3d(), so the command is something like
plot3d(x^2+y^2,(x,-3,3),(y,-3,3)).  And a smart person out there is going to
tell me where this syntax comes from (or belongs to), there is also a R
package called MapleSoft ( I believe) which is commercial, and there is
always Mathematica.  So is there a R function to plot z=f(x,y) without
obtain or generating data.

Cheers,
Mike



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