On 03/01/2013 11:34 AM, Jan Groenewald wrote:
Something is weird there though. The way I see it looking for
"Principal Value" is commented out.
Sage only looks for [Dd]ivergent.So when maxima gives this:
0 jan@muizenberg:/var/autofs/misc/home/jan$sage --maxima
;;; Loading #P"/usr/lib/sagemath/local/lib/ecl/sb-bsd-sockets.fas"
;;; Loading #P"/usr/lib/sagemath/local/lib/ecl/sockets.fas"
;;; Loading #P"/usr/lib/sagemath/local/lib/ecl/defsystem.fas"
;;; Loading #P"/usr/lib/sagemath/local/lib/ecl/cmp.fas"
Maxima 5.29.1 http://maxima.sourceforge.net
using Lisp ECL 12.12.1
Distributed under the GNU Public License. See the file COPYING.
Dedicated to the memory of William Schelter.
The function bug_report() provides bug reporting information.
(%i1) defint(1/x^3,x,-1,3);
Principal Value
4
(%o1) -
9
Sage should not be finding "Divergent" string and returning divergent
(but Sage does).
Well in my test the second call to maxima_eval returns the error
ECL says: Error executing code in Maxima: defint: integral is divergent.
That explains the Sage error message but is also way out of my area of
expertise...
Cheers,
Christian
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