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Re: X'*v in octave
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From: |
Ben Abbott |
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Subject: |
Re: X'*v in octave |
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Date: |
Thu, 21 May 2015 19:10:05 -0400 |
> On May 21, 2015, at 5:05 PM, Chih-Jen Lin <address@hidden> wrote:
>
> Dear Octave maintainers,
>
> Recently in an experiment I found that for sparse X'*v octave seems to do X'
> first and then conduct the matrix vector product. This is time consuming as
> this operation is simple a linear combination of X's columns and X in Octave
> is stored in compressed column format. May I suggest that you improve the
> setting in the near future?
>
> Thanks,
> Chih-Jen
Please file a bug report.
https://savannah.gnu.org/bugs/?group=octave
Ben