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Gauss's Equation (Radius Derivatives)

Expresses the second derivatives of ${\bf r}$ in terms of the Christoffel Symbol of the Second Kind.

\begin{displaymath}
{\bf r}_{ij}=\Gamma^k_{ij} {\bf r}_k+({\bf r}_{ij}\cdot {\bf n}){\bf n}.
\end{displaymath}




© 1996-9 Eric W. Weisstein
1999-05-25