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Subject: Re: [ublas] Is it possible to construct alternative "views" of vectors and matrices?
From: Leon (leongu_at_[hidden])
Date: 2009-09-19 15:10:53

Hi Gunter, is this the folder you are talking about? I couldn't find the
matrix_view.hpp file there.


On Thu, Sep 17, 2009 at 5:00 PM, Gunter Winkler <guwi17_at_[hidden]> wrote:

> Mark Johnson schrieb:
> > Thanks Jesse for your answer and the code fragment!
> >
> > Is there a way of building a matrix or vector out of a pre-existing
> > array_type? I'd like to be able to view a matrix as a vector, and use
> > vector arithmetic on it.
> >
> > I'd be willing to implement such a thing, but I don't know whether the
> > returned object should be a matrix_expression, a matrix_reference or
> > whatever, and I don't know what things an object has to define in order
> > to be a vector or a matrix. If someone can point me to the appropriate
> > documentation that would be great!
> >
> Please check out the latest version from SVN trunk and have a look into
> the experimental folder. The matrix_view.hpp file aleady contains a
> class which presents a pair of raw pointer and size as an array. The
> class is still under developement, thus any contributions are very welcome.
> mfg
> Gunter
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