#16622: Deprecate Hypergraph in favor of IncidenceStructure
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Reporter: ncohen | Owner:
Type: defect | Status: needs_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/16622 | cb60470c5e8885ef031ed8bb4a84a38f3e8987f5
Dependencies: #16553 | Stopgaps:
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Comment (by dimpase):
currently `Hypergraph?` and `IncidenceSystem?` say:
{{{
A base class for incidence structure (or block design) with
explicit ground set and blocks.
INPUT:
* "points" -- the underlying set. If "points" is an integer v, then
the set is considered to be {0, ..., v-1}.
* "blocks" -- the blocks (might be any iterable)
}}}
It should say more: (my comments are in --- ---)
{{{
A base class for incidence structure (or block design, or hypergraphs,
or set systems) with
explicit (or implicit ---DOCUMENTING LATEST CHANGE---) ground set and
blocks.
INPUT:
* "points" -- the underlying set. In hypergraph terminology:
"vertices". If "points" is an integer v, then
the set is considered to be {0, ..., v-1}. If omitted, it is the
union of blocks.
* "blocks" -- the blocks (might be any iterable). In hypergraph
terminology: "edges"; in set systems
terminology: "sets of the system".
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/16622#comment:27>
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