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Re: cholesky decomposition LL vs LDL computational load difference
Posted:
Aug 17, 2014 9:07 AM


On 20140817 03:58:27 +0000, vincent.stay@gmail.com said:
> Hi everyone, > In terms of FLOPs needed are LL & LDL factorizations the same? I am > looking at this page http://en.wikipedia.org/wiki/Cholesky_decomposition > and I see an extra multiplication by Dk in every summation loop. > Doesn't this increase the computational load, say by 50%? What am I > missing? > > Thanks.
answered elsewhere. see sci.math.numanalysis.
multiposting is very bad form. crossposting is the way to go. just keep it tame.



