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Error in drawing the complement of CompleteBipartite Graph

asked 2019-01-09 09:02:43 -0500

updated 2019-01-10 12:50:13 -0500

slelievre gravatar image

The following code generates the wrong Graph graphs.CompleteBipartiteGraph(5,6).complement() Can anyone help to correct it please

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answered 2019-01-10 12:49:53 -0500

slelievre gravatar image

The first comment of

explains that the complement graph looks wrong only because it is plotted with the same layout as the original graph, so its edges are all horizontal, drawn on top of each other, making the drawing misleading (it looks as though many edges are missing).

To see the structure of the complement better, change the layout:

sage: G = graphs.CompleteBipartiteGraph(5, 6)
sage: G.show()

sage: Gc = G.complement()
sage: Gc.show(layout='spring')
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Asked: 2019-01-09 09:02:43 -0500

Seen: 24 times

Last updated: Jan 10