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Weierstraß-Erdman Corner Condition

In the Calculus of Variations, the condition

\begin{displaymath}
f_{y'}(x,y,y'(x_-))=f_{y'}(x,y,y'(x_+))
\end{displaymath}

must hold at a corner $(x,y)$ of a minimizing arc $E_{12}$.




© 1996-9 Eric W. Weisstein
1999-05-26