#19019: Very careless typoes in strongly_regular_db
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Reporter: ncohen | Owner:
Type: defect | Status: closed
Priority: major | Milestone: sage-6.9
Component: graph theory | Resolution: fixed
Keywords: | Merged in:
Authors: Nathann Cohen | Reviewers: Dima
Report Upstream: N/A | Pasechnik
Branch: | Work issues:
cb0b3fbd221fb01c0e392d141ba50427b0a0294f | Commit:
Dependencies: #19018 | Stopgaps:
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Comment (by ncohen):
> I was comparing your definition with the one from
> http://homepages.cwi.nl/~aeb/math/ipm/ipm.pdf
> and your definition is more complicated.
> I did not check the other one.
I don't see how. In the paper you give the matrix is requested to have 1
on the diagonal, that's the only difference I see.
> If look at combinat/matrices/hadamard_matrix.py there is a paragraph
saying
> But there is no word about RSHCDs.
Oh, right. I'll do that.
> Should it instead get a list of methods, etc, as more modern Sage
modules have?
Probably. I am working on a patch related to index of functions at the
moment, though. Something to make building a thematic index easier.
> As well, you're not in the list of authors.
How I hate this "I am the one who did it" bullshit...
> As I am gearing up for skew-Hadamard matrices, it can be done on the
corresponding ticket.
Skew-hadamard? *sigh*.... Someday we will have all kind of designs in
Sage. But today is not this day.
Nathann
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Ticket URL: <http://trac.sagemath.org/ticket/19019#comment:28>
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