On 9/12/10, Gosse michel <michel.gosse at free.fr> wrote:
> So, the answer return by maxima is not of the same type.
> Is there a list of these changes (this is important for the programs
> that uses maxima in the background.
The change logs for the last several releases list incompatible
changes at the top of the log. The change logs are in CVS,
and, usually, included with the release (unless I forget them).
Here is the relevant bit from ChangeLog-5.19.
Maxima 5.19 change log
Compiled 2009-08-09
Backwards-incompatible changes:
* eigenvector: greater detail in return value
FWIW & HTH.
Robert Dodier