Currently CDF and RDF matrices wrap GSL matrices and use GSL algorithms 
for part of the computations.  After talking with a few lead developers 
on IRC, it seems that the consensus is that numpy is generally better 
and has a much, much stronger community.  What do people think of moving 
the RDF and CDF matrices to a numpy backend?


If we do this, then I think that much of the code in RDF and CDF becomes 
simple calls to numpy, and the current functions that fall back to 
generic algorithms (like inverse()) also become easy calls to numpy 
functions which do proper numerical linear algebra.

Josh, apparently you did lots of work in this area; I'm particularly 
interested in hearing your comments.

Thanks,

Jason


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