Re: [igraph] Problems calculating shortest paths for sparse large graph

[Tamás Nepusz]

> I also tried to ignore the weights, by using the option
> "weights=E(net)$NA", but it didn't work.
You should use weights=NA if you want to ignore the weights (as far as I know). 
Also, do you happen to have any pathological weights in your graph (like 
negative weights or zeros)?

-- 
T.