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Thread: Re: Comment on Math::Math_Combinatorics




Re: Comment on Math::Math_Combinatorics
user name
2007-03-28 04:59:54
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...

Kouber Saparev wrote:
> David Sanders wrote:
>> Or perhaps return the same as when set_size ==
subset_size?  Which 
>> would you prefer?
> 
> That one makes perfect sense to me. Also, IMHO making
$subset_size 
> optional with a default value of $set_size could be
useful as well.
> 


-- 
     David Sanders
     shangxiao

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Re: Comment on Math::Math_Combinatorics
user name
2007-03-30 12:09:32
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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