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Re: Help with contour plots, please?

In article <4a3ehi$qnc at>, hilbert!clever at
(Brian James Clever) wrote:

>     Hello. I was wondering how one plots the solutions to equations
>  such as x^3 - y^2 -1 = 0 using Mathematica. It seems to be related to 
>  the ContourPlot function, but this gives me solid objects, not the solution
>  set . Any help would be greatly appreciated.
>  Brian Clever.

The Standard Mathematica Package Graphics`ImplicitPlot`
does what you want. Here is a simple example:

    Needs[ "Graphics`ImplicitPlot`" ]
    ImplicitPlot[ x^3 - y^2 -1 ==0, {x,-3,3},{y,-3,3}]


It is documenmted on pages 165-7 of the Guide to Standard
Mathematica Packages Technical Report.

I hope this helps.


Ian Collier
Technical Sales Support
Wolfram Research, Inc.
tel:(217)-398-0700     fax:(217)-398-0747      ianc at
Wolfram Research Home Page:   

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