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2019-08-09 21:33:54 +0200	commented answer	Plotting a LabelledOrderedTree with duplicate labels Thanks! Hadn't seen that warning, which also states one can alternatively use `_latex_()`, `view`, `_ascii_art_()`, or `pretty_print` as an alternative to `obj.plot()` as well. I personally think `plot` > `view` in terms of what the end result looks like, but at least it gives me something to work with.
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2019-08-09 15:02:34 +0200	asked a question	Plotting a LabelledOrderedTree with duplicate labels I'm attempting to plot a labelled, ordered, rooted tree in Sage using the `LabelledOrderedTree` class. Here is what I have so far: `sage: n2 = LabelledOrderedTree([], label=2) sage: n1 = LabelledOrderedTree([], label=1) sage: root = LabelledOrderedTree([n2, n1], label=1) sage: root 1[2[], 1[]]` At this point, I've created the tree I'm attempting to build, but here is where I run into problems: `sage: P = root.plot() ... sage/graphs/base/sparse_graph.pyx in sage.graphs.base.sparse_graph.SparseGraphBackend.add_edge (build/cythonized/sage/graphs/base/sparse_graph.c:17158)() ValueError: cannot add edge from 1 to 1 in graph without loops` Is there a way to plot a `LabelledOrderedTree` object when multiple nodes share the same label?