Yo !!!
I upgraded to Sage 6.0, and the output is still wrong. I then checked IBM,
and a new version of CPLEX was released in early December 2013. With CPLEX
12.6.0 and Sage 6.0, I now get the correct answers.
HMmmm O_o
So it seems that CPLEX 12.5.10 was the culprit.
This looks like a problem upstream with ECL, not the Sage interface with
ECL. I think it's best to report this problem with ECL:
http://sourceforge.net/p/ecls/bugs/?source=navbar
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Thanks for the clear guidance -- problem reported: #280 bogus entry in
include/ecl directory after install
https://sourceforge.net/p/ecls/bugs/280/
On Wednesday, January 8, 2014 12:47:47 AM UTC-8, Jeroen Demeyer wrote:
This looks like a problem upstream with ECL, not the Sage interface with
Is there an easy way to make tikz picture from sage poset? How about
prettyprinting poset that can also be seen as lattice?
To give concrete example:
Poset(([0,1,2,3,4,5,6,7,8], [[0, 1], [0, 2], [0, 3], [0, 4], [0, 6], [0, 7],
[1, 5], [2, 5], [3, 5], [4, 5], [5, 8], [6, 8], [7, 8]])).show()
Hello, I want to compute this:
G= graphs.CompleteGraph(4)
G.delete_edge({1,2})
L = [u for u in G.vertices()]
for x in L:
for y in L:
A = Set(G.neighbors(x))
B = Set(G.neighbors(y))
C= A.union(B)
if (C in Subsets(G.neighbors(1))):
print(x,y)
the
Using sage 6.0, both posets display without crossings using the show()
method for me.
To generate tikz output use latex() -- personally, I think that this should
be a method but it isn't:
sage: P=Poset(([0,1,2],[[0,2],[1,2]]))
sage: P.show()
sage: latex(P)
\begin{tikzpicture}
%
