Woodbury Formula
© 1996-9
Eric W. Weisstein
1999-05-26
![\begin{displaymath}
({\hbox{\sf A}}+{\hbox{\sf U}}{\hbox{\sf V}}^{\rm T})^{-1} =...
...\hbox{\sf U}})^{-1}{\hbox{\sf V}}^{\rm T}{\hbox{\sf A}}^{-1}].
\end{displaymath}](w_1092.gif){kind=small}