[R] Matrix multiplication gives different results some of the times (NaN)

Xavier Fernández i Marín xfim.ll at gmail.com
Tue Sep 13 15:32:55 CEST 2011

Ben Bolker vas escriure el dia dt, 13 set 2011:

>   You mentioned that you had compiled R yourself.
> Can you replicate this with a stock R binary, i.e. from a 
> Red Hat or Ubuntu repository?  If not, can you give details of
> your compilation setup, especially if you are using a specialized
> or optimized linear algebra library (BLAS)?

I was using the Atlas libraries. I have recompiled R with the reference
blas and lapack and the problem has disappeared. So at least now I have a
clue on where to look for.

Thank you all of you,

-  Xavier  -

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