foozle (![[info]](http://l-stat.livejournal.com/img/userinfo.gif){kind=small} foobart) wrote,@ 2009-02-27 14:07:00 |
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Apologies to, well, probably pretty much everybody for this entry
(U^-1 + S'HS)^-1 is the same as (I + US'HS)^-1U
For reasons which are of interest to very few people, figuring out this (in retrospect really obvious for linear algebra geeks) tidbit makes me very, very happy.
(U^-1 + S'HS)^-1 is the same as (I + US'HS)^-1U
For reasons which are of interest to very few people, figuring out this (in retrospect really obvious for linear algebra geeks) tidbit makes me very, very happy.
