#14288: Add interactive simplex method module
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Reporter: novoselt | Owner: ncohen
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-5.9
Component: linear programming | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Andrey Novoseltsev | Merged in:
Dependencies: | Stopgaps:
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Comment (by dimpase):
Replying to [comment:5 novoselt]:
> I have started a discussion regarding module/package
http://groups.google.com/group/sage-
devel/browse_thread/thread/ba43be235367db60
>
> I am pretty sure that there is no point in redesigning it as a backend,
as it was written to be the frontend. A year and a half ago I tried to use
Sage for this class and found that:
> a) entering problems is somewhat involved and can confuse students with
interface details;
a simplified way can be added to Sage LP frontend, e.g. allowing to enter
matrices of constraints is very easy, I gather.
> b) showing constructed problems was far from good;
again, this could be worked on...
> and mainly
> c) there was no way to deal with and nicely display dictionaries.
I suppose one can make things supported by your (not yet) backend interact
nicely with Sage's frontend.
E.g., for a LP {{{p}}} do something like {{{p.do_one_pivot(...)}}}, and
e.g. {{{p.show_current_solution()}}}.
The advantage would be that then it could become a part of
{{{sage/numerical/}}}. But perhaps this is not worth the trouble, and this
code just should go elsewhere.
In fact, the frontend has improved quite a bit in the past 6-10 months,
thanks mainly to Volker.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14288#comment:6>
Sage <http://www.sagemath.org>
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