Re: How to plot a graph, using a distance matrix

*To*: mathgroup at smc.vnet.net*Subject*: [mg89059] Re: [mg88993] How to plot a graph, using a distance matrix*From*: Bob Hanlon <hanlonr at cox.net>*Date*: Sat, 24 May 2008 03:58:28 -0400 (EDT)*Reply-to*: hanlonr at cox.net

n = 10; pts = RandomInteger[{0, 100}, {n, 2}]; Show[Graphics[{ Blue, Line /@ Subsets[pts, {2}], Red, AbsolutePointSize[5], Point[pts]}], Frame -> True] dist = Table[Norm[pts[[j]] - pts[[k]]], {j, n}, {k, n}]; Needs["Histograms`"]; Histogram[Flatten[dist]] ArrayPlot[dist] MatrixPlot[dist] Bob Hanlon ---- Eric Heiman <eheiman at mailinator.com> wrote: > My dilemna is as such: > > I have a matrix (it happens to be 21x21, but don't worry about that) which contains distances between points. > So column 1 has distances from point 1 to every other point, with row 1 being 0 (because the distance to itself is zero). > > What I am wondering is how I would be able to get mathematica to plot a graph of these points. > > Thanks in advance! >