#16272: redesign transversal designs
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Reporter: vdelecroix | Owner: Vincent Delecroix
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.2
Component: combinatorics | Resolution:
Keywords: designs, | Merged in:
orthogona arrays | Reviewers:
Authors: Vincent Delecroix | Work issues:
Report Upstream: N/A | Commit:
Branch: public/16272 | d81f265637099f93495dafac54e2d354be0d66d5
Dependencies: #15310, #16227, | Stopgaps:
#16281 |
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Comment (by vdelecroix):
Replying to [comment:48 ncohen]:
> Yooooooooooo !!
>
> I understand that you do not want to call the same function twice, but
would you mind behaving as if boolean results were already cached ? It
really makes the code's flow easier to follow `:-/`
I do not care too much about calling twice the function. My main trouble
was that in `OA` with parameters `n,k=n+1,t=2` we have equivalence with
projective planes. So we need to let the projective plane do what it has
to do (even if the answer is Unknown). Whereas for general `n,k,t=2` we
might have something better but it still worth it to ask about a
projective plane... If you have an idea to make it neat I let it to you.
> Otherwise everything looks right... If I may ask, I think it would also
be better to not have this `TD = designs.transversal_design` in the
doctest. Keeping the full writing also helps explaining to the users that
all the TD can be built from `designs.transversal_design`.
Cool (Note that the doc problem is fixed).
We leave the idea of having an optional `k=None`? Might be an independent
ticket anyway.
Vincent
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Ticket URL: <http://trac.sagemath.org/ticket/16272#comment:51>
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