Symbol in context

$\hat\phi$

This entry links every published equation using this exact notation. Its meaning may change between equations.

Meanings in context

Article-grounded definition

the standard weighted least-squares estimate of the node potentials.

\hat\phi = \left(B^\top C^{-1} B\right)^{+} B^\top C^{-1} y,

This equation states an equality: the expressions on both sides have the same value under the article’s assumptions.

\hat\phi

This mathematical expression combines the displayed quantities; its precise role follows from the surrounding article text.

\hat\phi

This mathematical expression combines the displayed quantities; its precise role follows from the surrounding article text.