math i'm more of a compsci than a mathematician Well if you want I can just tell you the formula if you N(n) = C(2n, where C(n,k) is n choose any pointers on how one derives such a Well, this is a pretty famous sequence of numbers, the Catalan looked at generating functions There are some clever combinatorial ways of figuring it But yes, generating functions are really the way to They aren't difficult The idea is you use the recurrence to find a function which has your sequence as its Taylor coefficients, then do some stuff to find a formula for the Taylor I have a file.p for How can I open and edit Anyway I'm going to ok, My dear lady and is this one of those many-on-one dirty haha figured there'd be one girl so I said it to be sure to include that possible only one? man, you're shure more of you people around and we're sure to whittle that number down I'm a you forgot to mention mbot as it's in a class of its Well, I would put you in my category of people I'm in love with if you helped me out I consider myself good looking too, so it wouldn't be all that bad for you hurry what, before someone direct you two to #not-math? let me pastebin it a script to count chars in given matrix of works, but now I'd like to sort should I add the two so I get groan...

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#math

<EvilTerran> i'm more of a compsci than a mathematician =/
<Kasadkad> Well if you want I can just tell you the formula :P
<EvilTerran> if you like.
<Kasadkad> N(n) = C(2n, n)/(n+1)
<Kasadkad> where C(n,k) is n choose k
<EvilTerran> any pointers on how one derives such a thing?
<Kasadkad> Well, this is a pretty famous sequence of numbers, the Catalan numbers
<jarmen> looked at generating functions ?
<Kasadkad> There are some clever combinatorial ways of figuring it out
<Kasadkad> But yes, generating functions are really the way to go
<Kasadkad> They aren't difficult either
<Kasadkad> The idea is you use the recurrence to find a function which has your sequence as its Taylor coefficients, then do some stuff to find a formula for the Taylor coefficients
<Trixsey> I have a file.p for matlab
<Trixsey> How can I open and edit it?
<Kasadkad> Anyway I'm going to sleep
<EvilTerran> ok, thanks
<EvilTerran> Kasadkad++
<Kasadkad> np
<Trixsey> My dear lady and gentlemen!
<Jafet> is this one of those many-on-one dirty parties?
<Trixsey> haha ya
<Trixsey> figured there'd be one girl here
<Trixsey> TOPS
<Trixsey> so I said it to be sure to include that possible girl
<Trixsey> lol
<Jafet> only one? man, you're shure pessimistic
<Jafet> more of you people around and we're sure to whittle that number down further
<Trixsey> hahahhaa
<Trixsey> I
<Trixsey> pfft
<Trixsey> I'm a realist
<Jafet> you forgot to mention mbot as well...
<Trixsey> lol
<Jafet> it's in a class of its own
<Trixsey> Well, I would put you in my category of people I'm in love with if you helped me out ;D
<Trixsey> I consider myself good looking too, so it wouldn't be all that bad for you ;)
<Jafet> hurry up
<Jafet> dammit
<Trixsey> hahaha
<arctanx> what, before someone direct you two to #not-math? :P
<Trixsey> let me pastebin it :p
<Trixsey> http://www.pastebin.ca/363445
<Trixsey> a script to count chars in given matrix of strings
<Trixsey> works, but now I'd like to sort them
<Trixsey> should I add the two matrix?
<Trixsey> so I get like
<Trixsey> 'chars'5
<Trixsey> 'test'4
<Jafet> groan... this isn't exactly a programming language channel
<Trixsey> but there is no matlab channel.. and this is math! :(

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