[Numpy-discussion] numarray cholesky solver ?

Todd Miller jmiller at stsci.edu
Fri Apr 15 03:46:37 CDT 2005


On Fri, 2005-04-15 at 16:04 +1000, Simon Burton wrote:
> Hi,
> 
> I see there is a cholesky_decomposition routine in numarray, but we are also needing the corresponding cholesky solver.
> Is this in the pipeline, 

No.  Most of the add-on subpackages in numarray, with the exception of
convolve, image, and nd_image, are ports from Numeric.

> or do we go ahead and add the dpotrs based functionality ourselves ?
>
>  Alternatively, are we able to
> convert to and from Numeric (scipy) array's without a memcopy ?

Unless Numeric has been adapted to support the new array interface,  I
think this (converting from numarray to Numeric) has still not been
properly addressed.

Regards,
Todd





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