#16391: Helper functions for OA constructions
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Reporter: ncohen | Owner:
Type: enhancement | Status: positive_review
Priority: major | Milestone: sage-6.3
Component: combinatorial | Resolution:
designs | Merged in:
Keywords: | Reviewers:
Authors: Nathann Cohen | Work issues:
Report Upstream: N/A | Commit:
Branch: u/ncohen/16391 | 42239ccc8b169e1aaf148da90b638004a09e67c6
Dependencies: #16370 | Stopgaps:
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Comment (by ncohen):
Yo !
> I had a look at various papers and they define holes as subset of `V`.
But I agree, it is fine the way you did.
Thanks.
> I can review it, but I do not want to see it used in designs!
....
It's cool to say "I do not want to see it used in design" but I am still
the one who writes the code. Having this generic cache would make stuff
better. And you can't really refuse an improvement because "there would be
a better way to implement it" that you expect me to implement instead.
Pfffff...
Spoiled reviewers...
> No. We should cache a dictionnary `n -> (k_exists,k_unknown)`. This
would be more efficient. Sometimes you have a TD(k+5,n) but was looking
for a TD(k,n), so you loose information. Similarly, if you start caching
(incomplete) orthogonal array you would only cache the one which has the
maximum number of holes with respect to a fixed k or the on which has the
maximum size with respect to a fixed set of holes.
I know, I told you about it myself.
...
I will do it.
It just takes time, and I have been stuck for 5 weeks with a
straightforward code that does not get reviewed, and I can't add patch
over patch over patch forever, knowing that names and specifications will
change in the dependencies. It would have been done already otherwise.
Nathann
--
Ticket URL: <http://trac.sagemath.org/ticket/16391#comment:39>
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