OK, I know Python and want to implement some new features in Sage.
Is it OK to write in Python and wait when somebody other will rewrite
in Cython?
Or should I learn Cython first?
On Fri, 2018-01-12 at 00:44 +0100, Vincent Delecroix wrote:
> Thanks for your interest in Sage.
>
> As you can see at the end of the wikipedia page, this is just a
> matrix
> product followed by a truncation. And this easily done in Sage.
> Though
> one might want a more efficient way than computing a product over Z
> to
> get a {0,1}-matrix.
>
> On 12/01/2018 00:00, Victor Porton wrote:
> > Composition of binary relations is defined at
> > https://en.wikipedia.org/wiki/Composition_of_relations
> >
> > It seems that Sage does not provide a function to compose two
> > finite binary
> > relations. Please add it.
> >
> > Also note that posets (and other) are special cases of binary
> > relations. So
> > please make Poset (and other relevant classes describing a binary
> > relation)
> > a subclass of new class BinaryRelation.
> >
> > Agree? (I am a very new Sage user and may be wrong.)
> >
>
>
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