----- Original Message -----
From: "Jason Trebilcock" <[EMAIL PROTECTED]>
To: "Perl Beginners" <beginners@perl.org>
Sent: Monday, October 6, 2008 7:57:23 PM GMT -05:00 US/Canada Eastern
Subject: RE: combinations


-----Original Message-----
From: Rob Dixon [mailto:[EMAIL PROTECTED] 
Sent: Monday, October 06, 2008 12:37 PM
To: Perl Beginners
Cc: Randal L. Schwartz; Mr. Shawn H. Corey
Subject: Re: combinations

What are the real-world problems that are solved using a list of
combinations of
sets of items?

Rob

-- 

I can come up with one example where this might be interesting.  Imagine you
are a software tester and were tasked with identifying all potential
variable combinations that needed to be covered/tested.  Risk mitigation,
dontchaknow.

This conversation could be one way where this problem is solved.

Personally, I'm lazy (within reason).

http://www.satisfice.com/tools.shtml 

Jason




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Perhaps when one wants to simulate a particular distribution. 

One stage would be knowing the combinations.

Another stage might be assigning weights to the combinations.

A next step might be modeling the distribution(s).

A practical example might be a  machine shop (how does one assign tasks to 
finite resources).

Understanding combinations is interesting, but limiting...often the "mere" task 
of listing the combinations leads to combinatorial explosion.

--
sg

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