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?