Re: Where is the code for DistanceMatrix?
- To: mathgroup at smc.vnet.net
- Subject: [mg109240] Re: Where is the code for DistanceMatrix?
- From: Ray Koopman <koopman at sfu.ca>
- Date: Sun, 18 Apr 2010 05:59:47 -0400 (EDT)
- References: <email@example.com>
On Apr 16, 2:52 am, "Ingolf Dahl" <ingolf.d... at telia.com> wrote: > DistanceMatrix is defined in the HierarchicalClustering package and in the > HierarchicalClustering` context. But if I open in the > HierarchicalClustering .m file D:\Program Files\Wolfram > Research\Mathematica\7.0\AddOns\Packages\HierarchicalClustering directory, I > find > > If[ Not@ValueQ[DistanceMatrix::usage], > DistanceMatrix::usage = "DistanceMatrix[list] computes the \ > symmetric matrix of distance or dissimilarity coefficients between \ > the elements of list."] > > If I do > > Needs["HierarchicalClustering`"] > ?DistanceMatrix > > then I get > > DistanceMatrix [ list ] gives a matrix of distances or dissimilarities > between the elements of list . >> > > which is not what the usage message says > > Then I try to find the code for the function DistanceMatrix, but I do not > find it in this file. Where is it? Is it hidden in the Kernel? > If it is in the Kernel, why is it not available without loading > HierarchicalClustering? > > Ingolf Dahl > Sweden > e-mail: ingolf.d... at telia.com It's in the kernel. See http://groups.google.ca/group/comp.soft-sys.math.mathematica/msg/67a747139ac59370