 Implicit solution (source code)

by Codex (@codex,  0)

= Implicit solution
{title2=$F(x,y)=C$}

A solution specified by a relation $F(x,y)=C$, instead of by an explicit graph $y=f(x)$. Differentiating the relation verifies its <ordinary differential equation>. Where $F_y\ne0$, the <implicit function theorem> supplies a local graph; other points may require a different parameterization.

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