I guess we really need some examples on Graphs.jl to make the learning curve less steep.
Dahua On Saturday, November 22, 2014 9:20:10 PM UTC+8, Ed Scheinerman wrote: > > Hi all, > > I have found the Graphs.jl package difficult to work with, so I've been > (slowly) putting together a SimpleGraphs.jl package available here: > https://github.com/scheinerman/SimpleGraphs.jl > > It's probably not as full featured as the Graphs.jl package, but it's > easier (at least for me) to use. > > Please note that it is a work in progress, but I welcome contributions. > > -Ed > > On Friday, November 21, 2014 6:56:06 PM UTC-5, Dahua Lin wrote: >> >> This is something related to the vertex indexing mechanism. Please file >> an issue on Graphs.jl. We may discuss how to solve this over there. >> >> Dahua >> >> On Saturday, November 22, 2014 6:39:47 AM UTC+8, Richard Futrell wrote: >>> >>> Hi all, >>> >>> Is this expected behavior? It was surprising to me. On 0.4.0-dev+1745, >>> pulled today, but I had noticed it previously. >>> >>> julia> using Graphs >>> >>> # make a graph and add an edge... >>> >>> julia> g1 = graph([1, 2], Edge{Int}[]) >>> Directed Graph (2 vertices, 0 edges) >>> >>> julia> add_edge!(g1, 1, 2) >>> edge [1]: 1 -- 2 >>> >>> julia> edges(g1) >>> 1-element Array{Edge{Int64},1}: >>> edge [1]: 1 -- 2 >>> >>> # OK, all is well. >>> # But how about this graph: >>> >>> julia> g2 = graph([2, 3], Edge{Int}[]) >>> Directed Graph (2 vertices, 0 edges) >>> >>> julia> add_edge!(g2, 2, 3) >>> ERROR: BoundsError() >>> in add_edge! at /Users/canjo/.julia/v0.4/Graphs/src/graph.jl:87 >>> in add_edge! at /Users/canjo/.julia/v0.4/Graphs/src/graph.jl:98 >>> >>> # Despite giving me an error, it did in fact succesfully add the edge: >>> >>> julia> edges(g2) >>> 1-element Array{Edge{Int64},1}: >>> edge [1]: 2 -- 3 >>> >>> What's going on here? >>> >>> thanks, Richard >>> >>> >>>
