Re: Fuzzy arithmetic calculator

On Wed, 28 Jun 2006 13:27:01 -0600 (MDT), Borked Pseudo Mailed wrote:

1. What I use a fuzzy calculator for? Do you have
a practical example?
2. Is there some web page with links to fuzzy
calculators?
3. What are the performance evaluation criteria for
Fuzzy calculators? What makes one good
and the other one bad?
4. Did you develop a fuzzy calculator? Do you
have a link? Is the source public domain?
Why did you do it? How long did it take?
5. What are the learning outcomes to be achieved
by doing one's own fuzzy calculator? Is it
time well spent? (I mean intellectually; I have
a steady job, not very demanding intellectually,
that pays my bills and comes with good benefits;
I have an after hours math hobby).

AFAIK, Nico du Bois wrote one.

If I decide to develop one, I need to decide how.

Well, no. You start with the requirements. 'How' is about an implementation
of those.

I understand fuzzy arithmetic. I tried to do fuzzy
arithmetic by “manual construction” (point by point).

Do you mean fuzzy numbers? Linguistic variables? General fuzzy sets?

I get good results, repeatable and consistent with
books. I am not so good with software. I can do
simple programs in C and C++, but I am really lousy
with GUIs.

OK, see above. Requirements first: should it be platform-independent?
Graphical / console (scripting)? An embeddable / pluggable component (as a
widget or applet) etc. Language choice is secondary to requirements.

GUI developing is boring, but simple. You would probably have much more
problems with writing a compiler, if you choose to allow expressions and
named variables in your calculator.

[ I have an implementation of fuzzy numbers, and an almost ready compiler
(from FCL). Some GTK widgets for fuzzy sets/linguistic variables are
implemented / planned, but I don't know when I will be ready.]

--
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de
.

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