Re: label graph vertices

*To*: mathgroup at smc.vnet.net*Subject*: [mg74825] Re: label graph vertices*From*: "Dana DeLouis" <dana.del at gmail.com>*Date*: Fri, 6 Apr 2007 04:27:23 -0400 (EDT)

> ..everything is done using an adjacency matrix composed of (0,1)'s If you are working with an AdjacencyMatrix, here's an additional idea using Combinatorica. Needs["DiscreteMath`Combinatorica`"] am = {{0, 0, 1, 0, 0, 1, 1}, {0, 0, 0, 0, 1, 1, 1}, {1, 0, 0, 1, 1, 1, 1}, {0, 0, 1, 0, 1, 0, 1}, {0, 1, 1, 1, 0, 1, 0}, {1, 1, 1, 0, 1, 0, 0}, {1, 1, 1, 1, 0, 0, 0}}; MatrixForm[am] (* Your Labels here as a list *) Lbls = CharacterRange["A", "G"]; g = SetVertexLabels[FromAdjacencyMatrix[am], Lbls]; ShowGraph[g]; -- HTH :>) Dana DeLouis Windows XP & Mathematica 5.2 <alexxx.magni at gmail.com> wrote in message news:ett7ks$id6$1 at smc.vnet.net... > greetings, > after having used for some time a very powerful program (Graphviz) for > displaying the graph structures I'm working on, I decided to give it a > try under Mathematica, since I use M. for many other related tasks. > > I started from DiscreteMath`GraphPlot`, but from what I can see > everything is done using an adjacency matrix composed of (0,1)'s, > right? > That is, my problem is that I need to LABEL the vertices with a name, > instead of a position. >>From >>http://documents.wolfram.com/mathematica/functions/AdvancedDocumentati >>onGraphPlot > I thought for a moment it was possible (e.g. see graph under > "MaximalBipartiteMatching" with Tom,Rob,Adam etc), but I then realized > it was demonstration-only, and no code is present to do it > > am I right, or there is a way? > > thanks for any help... > > Alessandro Magni