#18530: Simplify generation of some basic graphs
-------------------------+-------------------------------------------------
Reporter: | Owner:
dcoudert | Status: needs_review
Type: | Milestone: sage-6.8
enhancement | Resolution:
Priority: minor | Merged in:
Component: graph | Reviewers:
theory | Work issues:
Keywords: | Commit:
Authors: David | b0936f38b2d7c04b20f806634e58509c5c424338
Coudert | Stopgaps:
Report Upstream: N/A |
Branch: |
public/18530 |
Dependencies: |
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Comment (by ncohen):
Helloooooooooo !
I added a commit at public/18530 (since you chose to make the branch
public).
Most of the changes I made are superficial:
- Reduce the number of lines whenever possible
- Add edges from an iterator instead of a dictionary. Adding edges from a
dictionary calls ` add_edge` on an iterator, so it can only be slower
I also fixed a bug with ladder_graph, which was incorrect (plot it, you
will see).
Most importantly, if you have never looked at paths, now is the time:
{{{
sage: graphs.PathGraph(3).show()
sage: graphs.PathGraph(30).show()
sage: graphs.PathGraph(100).show()
}}}
Run those three commands. You will be surprised `:-P`
Nathann
--
Ticket URL: <http://trac.sagemath.org/ticket/18530#comment:11>
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