Re: an easy one?

*To*: mathgroup at smc.vnet.net*Subject*: [mg88890] Re: an easy one?*From*: Szabolcs Horvát <szhorvat at gmail.com>*Date*: Tue, 20 May 2008 06:52:56 -0400 (EDT)*Organization*: University of Bergen*References*: <g0tr2f$mn5$1@smc.vnet.net>

Francisco Gutierrez wrote: > I have a code (for clustering) that works well with FixedPointList. > It takes the following form: > FixedPointList[veamos[dataset,#]&, prototipos,10] > > where veamos is a function that acts on the dataset and prototipos, > and prototipos is also a list of lists (for example {{5,5},{10,10}} ) > > But of course using FixedPointList is imperfect. I want to use NestWhileList instead, with a criterion of termination acting on prototipos (i.e., if the absolute value of the substraction of the penultimate prototipos and the last prototipos is less than a certain amount, say 0.01, then stop). > > But I haven´t been able. > Can somebody help me? Have you tried using the SameTest option of FixedPointList?