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Subject: Re: calculating the inverse efficiently (not for solving equations :-) )
Date: Tue, 1 Apr 2008 20:43:03 +0000 (UTC)
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> Indeed, yes you're right. Forgot that for symmetric matrices
> you don't need the inverse of V, but only the transpose.
> 
> Maybe still not the most efficient way, but at least I'm one
> step closer to an efficient solution.
> 
> Thanks!!

Btw. has anyone experience with how long it takes to
calculate all eigenvalues of the large sparse matrix? Is
this fast?