#16665: OA for n=408,600,792,856,1368,2328,...
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Reporter: ncohen | Owner:
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.4
Component: combinatorial | Resolution:
designs | Merged in:
Keywords: | Reviewers:
Authors: Nathann Cohen | Work issues:
Report Upstream: N/A | Commit:
Branch: | afd77ce753321562f67eff40974650f9d283b48a
u/vdelecroix/16665 | Stopgaps:
Dependencies: #16662 |
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Comment (by vdelecroix):
Replying to [comment:7 ncohen]:
> Yo !
>
> > Few modifs at `u/vdelecroix/16665`
>
> Look good !
>
> > You prefer `K.primitive_element` instead of
`K.multiplicative_generator`? I used to use the former... (not very
important)
>
> I prefer the second, because it is clearer for me. But it's not my
field, if I may sa
Sorry: I prefer `multiplicative_generator` and you did use
`primitive_element` (in `orthogonal_arrays.py` at line 1359 and
`orthogonal_arrays_recursive.py` at line 1175). We seem to agree on using
`multiplicative_generator`.
> > Don't you prefer `raise AssertionError(msg)` instead of `assert
False,msg`?
>
> I do.
But you wrote `assert False,msg` at line 1177 in
`orthogonal_arrays_recursive.py`
> > How do you know that the following is satisfied
> > {{{
> > # All blocks of PG should intersect 'AG_2_3' on !=2 AG_2_3.
> > assert all(len(AG_2_3.intersection(B)) != 2 for B in PG)
> > }}}
>
> That's what the paper claims, and the reason why 'points' is defined as
it is.
I see.
Vincent
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Ticket URL: <http://trac.sagemath.org/ticket/16665#comment:9>
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