On Sun, Jul 4, 2010 at 6:18 PM, Barry Hall <[email protected]> wrote:
> I found an explanation here -- is this THE way to do complex matrices in > PDL?? > > my app is pretty simple -- I have precomputed arrays and just want to do > some > multiplication and select some "pieces" or partitions from a matrix in > order to > do my matrix manip > > see last post by Anonymous Monk here ... I want to be reasonably efficient > and > not do something dumb. > > http://www.perlmonks.org/?node=605900 > Barry - I've never seen PDL::LinearAlgebra before but it looks pretty good. It defines a lot of very useful functions. It also looks like they are probably going to be decently efficient because they use BLAS and PDL::PP under the hood. The documentation says it doesn't do threading, but operations on a single matrix should work just fine. I'd say go ahead and give it a shot, and let us know how it works. I've been annoyed at the lack of such functions in PDL before, and looks like Grégory Vanuxem has put some good work into the problem without my knowing it. I guess this is an optimistic 'Go for it!' Sorry I can't give a more informed perspective, but I hope that helps. David -- Sent via my carrier pigeon.
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