#7377: Symbolic Ring to Maxima via EclObject
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Reporter: nbruin |
Owner: nbruin
Type: enhancement |
Status: needs_work
Priority: major |
Milestone: sage-feature
Component: symbolics |
Keywords:
Author: Nils Bruin, Jean-Pierre Flori |
Upstream: N/A
Reviewer: Jean-Pierre Flori, François Bissey, Karl-Dieter Crisman |
Merged:
Work_issues: |
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Comment(by kcrisman):
Thanks for indulging me, that helps a lot.
> {{{
> sage: integral(x^n,x)
> Expected:
> Traceback (most recent call last):
> ...
> TypeError: Computation failed since Maxima requested additional
constraints (try the command 'assume(n+1>0)' before integral or limit
evaluation, for example):
> Is n+1 zero or nonzero?
> Got:
> Traceback (most recent call last):
> ...
> RuntimeError: ECL says: Maxima asks: Is n+1 zero or nonzero?
>
> }}}
> So we do not parse the error message and are less explicit than before.
>
Hmm, we should really catch this particular RuntimeError (enough to search
for 'Maxima asks', I think) and then copy the code which gave the user a
potential way to fix it. This behavior will be too confusing for the most
likely people to be using Maxima, which is why we changed it the first
time. Should be pretty easy to copy from the previous behavior, though,
if you are still getting this error.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7377#comment:95>
Sage <http://www.sagemath.org>
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