[Jprogramming] j903/addons/math/lapack2/example/dgeev.ijs

[Raul Miller]

Perhaps https://stackoverflow.com/questions/34698550/understanding-lapack-row-major-and-lapack-col-major-with-lda
is relevant here?

In particular: "C uses row-major storage and Fortran uses col-major
storage. When talking between the two systems, you need to either
translate or be happy working with a transpose. More on that below."

(I, personally, have not studied this particular example, to know
which convention the upstream comment was referring to. But, ... this
seems like a relevant issue here.)

Thanks,

-- 
Raul

On Fri, Feb 4, 2022 at 9:57 AM bill lam <bbill.lam at gmail.com> wrote:
>
> That was copied from lapack documentation. Why did you think it is wrong?
>
> http://www.netlib.org/lapack/explore-html/d9/d8e/group__double_g_eeigen_ga66e19253344358f5dee1e60502b9e96f.html
>
>
>
> On Fri, 4 Feb 2022 at 5:41 PM R.E. Boss <r.e.boss at outlook.com> wrote:
>
> > This script says:
> >
> > NB.     [out]    VR              If the j-th eigenvalue is real, then v(j)
> > = VR(:,j),
> > NB.                              the j-th column of VR.
> >
> > but it appears to be "the j-th ROW of VR"
> >
> >
> > R.E. Boss
> >
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