Re: determinant of integer values

[Mike Miller]

On Wed, 1 Mar 2006, Peter Lempel Søndergaard wrote:

> the following code
>
> A=[1 0; 1 12];
> det(A)
>
> produces:
>
> ans = 12.000
>
> instead of the better result ans = 12 .
>
> I am using Fedora 4 with the lastest rpms installed, Octave 2.1.72 and
> Octave-forge.
>
> This is slightly annoying, because gcd will not work with 12.000, so I
> have to round the number. Matlab gets this one correctly.


I see the same 12.000 on version 2.1.71 compiled on Red Hat, but on an old 
version 2.0.14 on Solaris I see 12.  I'm sure someone will know what's 
going on with that.

Mike