#7301: Gale Ryser theorem
-----------------------------+----------------------------------------------
Reporter: ncohen | Owner: mhansen
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-4.3.1
Component: combinatorics | Keywords:
Work_issues: | Author:
Upstream: N/A | Reviewer:
Merged: |
-----------------------------+----------------------------------------------
Description changed by ncohen:
Old description:
> The Gale-Ryser theorem is about filling a matrix with 0 and 1 when you
> know the number of 0 and 1 in each column and in each row.
>
> It would not be too much work to write in Sage a function filling a
> matrix with 0 and 1 when the data is correct, and returning an error
> otherwise...
>
> More informations there : http://mathworld.wolfram.com/Gale-
> RyserTheorem.html
New description:
The Gale-Ryser theorem is about filling a matrix with 0 and 1 when you
know the number of 0 and 1 in each column and in each row.
It would not be too much work to write in Sage a function filling a matrix
with 0 and 1 when the data is correct, and returning an error otherwise...
More informations there : http://mathworld.wolfram.com/Gale-
RyserTheorem.html
********** please set #7590 as needing review when this receives a
positive review ! ************
--
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7301#comment:24>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
--
You received this message because you are subscribed to the Google Groups
"sage-trac" group.
To post to this group, send email to [email protected].
To unsubscribe from this group, send email to
[email protected].
For more options, visit this group at
http://groups.google.com/group/sage-trac?hl=en.
