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#math
<Trixsey> Counting chars! :P
<Trixsey> no but I'm looking for a cool way to sort the data.. it could be seen as math too! come on ;(
<Trixsey> lol
<Jafet> Real Programmers Use Fortran!
<Trixsey> rofl
<arctanx> brainf**k or whitespace are a little more intuitive
<Trixsey> that is OLD stuff
<Trixsey> fortran
<Trixsey> as old as my dad!
<arctanx> Trixsey: if you want something "fun" to do implement a bubble sort
<Trixsey> *lol*
<Jafet> Fortran's not old, you're just young
<Trixsey> Jafet, how old are you?
<Jafet> in age, or in wisdom?
<Trixsey> age
<Trixsey> lol
<Jafet> guess
<Trixsey> 24
<arctanx> in all seriousness guys, stick to math or take it to PM or another chan, k? :)
<Trixsey> arctanx, can you halp me? :$
<Trixsey> but I dont wanna do bubblesort? thats extensive :p
<Trixsey> as short solution in terms of code
<Trixsey> as possible
<Trixsey> I want
<Trixsey> lol
<arctanx> not really, I don't what constructs there are in matlab
<Trixsey> nor do I :D
<Trixsey> lol
<Trixsey> we can make it!
<Trixsey> should be able to sort based on my vertical vector D?
<Trixsey> arctanx, I could apply one sort on the strlen vector?
<Trixsey> and then use the same sort on the other one? :S
<arctanx> I have no idea what you're talking about. It's all programming semantics
<Renski> Hello all..
<Renski> Getting confused by a hyperbolic cosine function, cosh^2 x
<Renski> somehow, according to my text book cosh^2 x equals (1/4)(e^2+e^-x)^2
<Renski> Where the hell did 1/4 come from?
<lieven> 1/2 squared
<Renski> stupid me
<xerox> % Limit[(1 - Cos[x])/(Sin[x^2]), x -> 0]
<mbot> xerox: 1/2
<xerox> How does one compute that?
<Talisker> I can't find a picture of cosech anywhere
<Talisker> Oh, here it is, nvm
<lieven> 1-cos x ~ x^2/2 sin(x^2) ~x^2
<Renski> So that gives me something like (1/4)(e^(2x) + 1 + 1 + e^(-2x) )
<GuySoft> hi, can anyone give me a hint how to show that sqrt(x^2+sin^2(x)) does not have a derivative at 0?
<lieven> left and right limits exists and are unequal
<Renski> GuySoft, its almost certainly got something to do with the diriverative deviding by 0
<Renski> whats the derivative rule for sqrts? I cant remember
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