#15288: Balanced Incomplete Block Designs with k=4
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Reporter: | Owner:
ncohen | Status: needs_review
Type: | Milestone: sage-6.2
enhancement | Resolution:
Priority: major | Merged in:
Component: | Reviewers:
combinatorics | Work issues:
Keywords: | Commit:
Authors: | 79386587dc542a0741cb16f7bc99bd0792e4fe75
Nathann Cohen | Stopgaps:
Report Upstream: N/A |
Branch: |
public/15288 |
Dependencies: |
#15287 |
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Comment (by ncohen):
> `ProjectivePlaneDesign()` is written by you, isn't it? And it does
return `IncidenceStructure`. Needless to say, `ProjectivePlaneDesign()` is
a BIBD. You simply do not have a good argument to justify why in different
cases you return different classes.
`O_O`
Hey, let's make them all return lists of Sets if you don't mind ! `:-D`
This function returns `IncidenceStructure` because I copy/pasted from
projective geometry design, but really I could not care less about
Incidence Structure. I just never used those functions in any way. I
just want the sets `:-P`
Nathann
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Ticket URL: <http://trac.sagemath.org/ticket/15288#comment:21>
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