Re: [igraph] Error: "At iterators.c:721 : Cannot create iterator, invalid vertex id, Invalid vertex id" while computing shortest path

[Tamas Nepusz]

> Hi,
> 
> I invoked  "shortest.paths (graph,row) " function in R in order to
> compute shortest path in the graph. But I get the following error
> after a while:
I made a typical error in my original email; in igraph, vertex indices go from 
zero to N-1, so you have to type this:

for (i in 0:vcount(g)-1) {

instead of this:

for (i in 1:vcount(g)) {

-- 
T.