# Re: Idempotence and "Replication Insensitivity" are equivalent ?

From: Phil Carmody <thefatphil_demunged_at_yahoo.co.uk>
Date: 23 Sep 2006 23:01:20 +0300
Message-ID: <87wt7ul5db.fsf_at_nonospaz.fatphil.org>

"vc" <boston103_at_hotmail.com> writes:
> Phil Carmody wrote:
> > "vc" <boston103_at_hotmail.com> writes:
> > > Phil Carmody wrote:
> > > > pamelafluente_at_libero.it writes:
> > > > > the Median is the value which minimize the sum of absolute differences
> > > > >
> > > > > ie. sum | xi - c | is minimum for c = MEDIAN()
> > > >
> > > > If I were Bob Silverman, you'd get one heck of a flaming for
> > > > posting something so obviously somewhere in between unintelligible
> > > > and meaningless (including both endpoints) to sci.math.
> > >
> > > Are saying that the median does not have the property that it minimizes
> > > the sum of absolute deviations ?
> >
> > I'm not saying that. I'm saying that the property does not always
> > uniquely define a median ("*the* value", emphasis mine), and therefore
> > cannot be used as the definition therefor.
>
> So what definition does define a median uniquely ?

When someone points out a flaw in a kook's proof of FLT, it is not his responsibility to also provide a valid proof.

> >There are some sets, such
> > as {0, 1}, where every value between 0 and 1 (including both endpoints)
> > is minimum.
>
> That does not make much sense and depends, at least, on what you
> mean by {0, 1}. Assuming 0 and 1 are integers, there is no "every
> value between 0 and 1".

You really are out of your depth xposting to sci.math if you're going to say vacuous things like that. Re-read what I wrote, and what you wrote. A handy hint is that 0+2=2, HTH.

Phil

```--
"Home taping is killing big business profits. We left this side blank
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```
Received on Sat Sep 23 2006 - 22:01:20 CEST

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