Hi:
The latest bug fix for plotting a digraph seems to be
http://trac.sagemath.org/sage_trac/ticket/5620
Using a 10.6.2 mac (and sage-4.3.1.a5), I am finding that (for example)
sage: D = DiGraph( { "A": ["B","C"], "B": ["C","D"], "C":
["B","D","E"], "D": ["E"], "E": ["D"]} )
sage: D.plot()
yields a blank graph
sage: D = DiGraph( { "A": ["B","C"], "B": ["C","D"], "C":
["B","D","E"], "D": ["E"], "E": ["D"]} )
sage: D.plot3d()
plots fine (I guess) but with no vertex labels.
Is this a bug?
Also,
sage: A = matrix([[0,10,3,0,0],[0,0,1,2,0],[0,4,0,8,2],[0,0,0,0,7],[0,0,0,9,0]])
sage: DiGraph(A).plot()
yields an empty plot.
Is this a bug?
- David
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