[Pkg-octave-devel] Bug#525113: Bug#525113: Bug#525113: Bug#525113: Inconsistant complex matrix multiplication
Thomas Weber
thomas.weber.mail at gmail.com
Thu Apr 23 06:32:25 UTC 2009
On Thu, Apr 23, 2009 at 01:35:01AM +0200, Rafael Laboissiere wrote:
> * Thomas Weber <thomas.weber.mail at gmail.com> [2009-04-22 23:04]:
>
> > On Wed, Apr 22, 2009 at 12:01:19PM +0200, Laurent Mazet wrote:
> > > Package: octave3.0
> > > Version: 1:3.0.1-7
> > > Arch: i386
> > > Severity: grave
> > >
> > > Hi,
> > >
> > > I've just realized that I can multiply a real 2x2 matrix by a complex vector.
> >
> > Uh, yes. Why shouldn't this work? Or in other words, how do you
> > distinguish the real matrix from a complex matrix with its complex
> > coefficients being zero
> >
> > [ 1, 2; 3,4] is the same as [1+0i, 2+0i; 3+0i, 4+0i], isn't it?
>
> I think Laurent meant "I've just realized that I CANNOT multiply [...]"
Ah, sorry. I only briefly glanzed over the actual number. On my system,
the results were right, though.
Thomas
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