On Fri, Sep 5, 2008 at 6:16 PM, John Randall <[EMAIL PROTECTED]> wrote: > Are you looking for the implicit function theorem? This gives a local > inverse on the graph of an implicit function whenever the tangent line > is not horizontal.
This this theorem looks very relevant. But I will have to spend some time digesting it. Thanks, -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
