Re: [PEPr] Comment on Math::Math_Combinatorics

From: Date: Fri, 30 Mar 2007 17:09:32 +0000
Subject: Re: [PEPr] Comment on Math::Math_Combinatorics
References: 1 2 3 4  Groups: php.pear.dev 
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David Sanders wrote:
Ok I've added your suggestion and I just thought I'd check with you before calling votes. Being someone who has already written a Math package, I'm guessing you may know more than me, should this package be in the Math section or a different section? Should it be renamed? Perhaps an "Extended Functions" section? As I said before I'm not sure whether the actual process of generating combs and perms considered part of Combinatorics...
Sorry for the delay of my answer. Combinations and permutations are part of combinatorics, which is a branch of mathematics, so the name and category of the package seem correct to me. However, there's a topic to think about - repetitions. The original definition of combination in mathematics implies that the elements have to be unique, i.e. the combinations of the set {A, A, B} are the same as these of {A, B}, of {A, A, A, A, B}, etc. Nevertheless, the term "combination with repetition" exists. I will try to take a look in my university courses on combinatorics during the weekend, because I'm uncertain what is the correct behaviour that has to be followed in the package. Regards, -- Kouber Saparev http://kouber.saparev.com

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