[pstricks] two minor questions

Herbert Voss Herbert.Voss at FU-Berlin.DE
Fri Aug 6 17:40:50 CEST 2010

Am 06.08.2010 17:30, schrieb Zbigniew Nitecki:
> Thanks for the advice on linebreaks.  As to my other question (below), OK this one can be solved
> (I'lle have to look it up), but my general question remains.  Is there any kind of implicit surface plotter?

no, but I already answered it ...:-)


> On Aug 6, 2010, at 11:02, Herbert Voss wrote:
>> Am 06.08.2010 16:27, schrieb Zbigniew Nitecki:
>>> 1. I realize this is probably very difficult to implement, but is there a 3d equivalent of \psplotImp?
>> no
>>> I would like if possible to plot (part of) the surface defined by
>>> 	x^3 y^2 z+x^2 y^3 z + x y z^3 =30 
>> if the equation is correct, than you can get a form like z^3+z+a=0
>> which can be solved.
>>> near the point (-2,3,1).  The point is that I can't (ie, don't know how to) give an explicit formula for one of the variables
>>> in terms of the other two.
>> Herbert

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