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From "Philipp K. Janert" <>
Subject Re: [Slightly OT] SVD etc on Map/Reduce?
Date Fri, 15 Jan 2010 06:09:31 GMT
On Thursday 14 January 2010 10:04:17 pm you wrote:
> What do you mean by operator splittings?
> If you mean matrix factorization, take a look at this:

That seems to support my earlier hunch that 
efficient implementations of such factorizations
on M/R would likely be approximate only or 
partial (ie yielding the largest of the eigenvalues,
not necessarily the entire spectrum).

> It is the common sense of those on this mailing list that these kinds of
> algorithms could be done using map-reduce.

I am not sure what you are trying to tell me here.

> On Thu, Jan 14, 2010 at 7:57 PM, Philipp K. Janert <> wrote:
> > Can you point me to some resources for algorithms
> > that implement "standard" linear algebra operations
> > (mostly operator splittings) efficiently (!) on M/R?

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