On Sep 14, 6:51 pm, Jason Grout <[email protected]> wrote:
> Paulo César Pereira de Andrade wrote:
>
>
>
> > Hi,
>
> > In maxima-5.16.3.p2 as distributed with sage 4.1.1 when doing the
> > maxima tutorial, all goes well, but in my rpm, due to using system's
> > maxima-5.19.1-2mdv2010.0 I get an error because when reaching the
> > cell:
>
> > A.eigenvectors()
>
> > maxima 5.16.3 returns:
> > [[[0,4],[3,1]],[1,0,0,-4],[0,1,0,-2],[0,0,1,-4/3],[1,2,3,4]]
>
> > while maxima 5.19.1 returns:
> > [[[0,4],[3,1]],[[[1,0,0,-4],[0,1,0,-2],[0,0,1,-4/3]],[[1,2,3,4]]]]
>
> > and then, in the next cell it gives a fatal error due to not being
> > able to convert a list to rational.
>
> > Do you have any idea as to what would be the proper way to correct
> > this issue? Preferably without needing to use an older maxima for the
> > sage package :-)
>
> This change was actually motived by a request from the Sage project :).
> As such, I'm sure it will be supported in Sage as soon as Sage
> upgrades to the newer version of maxima.
>
Umm, I think that is already in the alphas... isn't it? Minh would
know.
- kcrisman
> As for you for now, you'd need to change the eigenvectors() command in
> the matrix code. If you wanted to do so and submit a patch, it would be
> greatly appreciated!
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