#16361: OA(7,66), OA(7,68), OA(8,69), OA(7,74) and OA(8,76)
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Reporter: ncohen | Owner:
Type: enhancement | Status: needs_work
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/16361 | 20ef21682cfe8b6532e2e2621b88d921236528f2
Dependencies: #16356 | Stopgaps:
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Changes (by vdelecroix):
* status: needs_review => needs_work
Comment:
Hi Nathann,
The function `OA_from_PBD` is sensitive to the output of
`orthogonal_array`. More precisely, the function needs a `TD(k,i) - i
TD(k,1)`. But right now, it is just a matter of luck whether the answer of
`orthogonal_array(k,i)` actually is... and tomorrow the answer might
change. So you could not rely on that. For the current purpose of the
ticket, a fix would be to feed explicitly the function `OA_from_PBD` with
the corresponding list of `TD(k,i) - i TD(k,1)`.
Vincent
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Ticket URL: <http://trac.sagemath.org/ticket/16361#comment:5>
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