Re: idempotent
Re: idempotent
- Subject: Re: idempotent
- From: "Bob Frost" <email@hidden>
- Date: Sun, 20 Jul 2003 12:22:55 +0100
Thanks to Roger and Don for the definition of idempotent. It's a word that
I've never seen used anywhere before, so I suppose I was half-checking that
it was spelt correctly.
bob Frost.
----- Original Message -----
From: "Don Porter" <email@hidden>
>
> One result of this (if the mapping isn't idempotent, and it never is) is
>
> that colors are skipped in some cases and duplicated in others.
>
It is a linear algebra concept related to matrix calculations. I'd suggest
>
you look it up in www.google.com. You'll get lots of hits.
>
=============
>
A mapping is idempotent if applying it twice is exactly the same as
>
applying it once. A general mathematical attribute of some functions
having
>
the same source (domain) and target (range) spaces, not limited to linear
>
algebra.
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