Implicitly Defined

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Implicitly defined functions are treated in two stages.

 

1.        The graph tool tries to rearrange the function to be in terms of x or y and will then graph the function.

 

2.        If the graph tool cannot rearrange the function, it uses a more generalized approach to graphing.  For example,
 
        (x2+2y2-2)(2x2+y2-2)+1/20=0

 

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This approach basically looks for equality between the two sides of the equation.  When using this form of graphing, the graph tool cannot perform detailed analysis of the curve.