I have a graph in R:
Vertices: 2
Edges: 2
Directed: TRUE
Edges:
[0] '4f33629f41393d3d' -> '4f54f25aaf86e815'
[1] '4f33629f41393d3d' -> '4f33629f41393d3d'
How do I get the _set_ of sources (and destinations) of all edges?
I can get all edges as E(g), and individual edges as E(g)[0..1], but how
do I get the source and destination (from & to) of an edge?
"Vertex and edge sequences and iterators" doc mentions 'from' and 'to'
"special functions", but I cannot figure out how to use them.
Thanks!
--
Sam Steingold (http://sds.podval.org/) on Ubuntu 11.10 (oneiric) X 11.0.11004000
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