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From: Ignacio Larrosa Ca�estro on 3 Nov 2009 06:23

"AI" <vcpandya(a)gmail.com> escribiu na mensaxe
novas:51756fa0-f322-481f-8f7d-c70ae8ca1606(a)u36g2000prn.googlegroups.com...
> You may already know about Buffon's Needle Problem
> http://mathworld.wolfram.com/BuffonsNeedleProblem.html
>
> I am thinking about the following variation
>
> Find the probability that a needle of length "l" will land on a
> circle, given a floor with equally spaced Concentric circles at a
> distance "d" apart?
>
> Here is the drawing which I have made for my simulation
> http://i233.photobucket.com/albums/ee201/vcpandya/NeedleProblem.jpg

Here is proposed and solved:

http://faculty.missouristate.edu/l/lesreid/Adv63.html


--
Saludos,

Ignacio Larrosa Ca�estro
A Coru�a (Espa�a)
ilarrosaQUITARMAYUSCULAS(a)mundo-r.com


From: AI on 3 Nov 2009 14:20
On Nov 3, 4:23 pm, "Ignacio Larrosa Cañestro"
<ilarrosaQUITARMAYUSCU...(a)mundo-r.com> wrote:
> "AI" <vcpan...(a)gmail.com> escribiu na mensaxe
> novas:51756fa0-f322-481f-8f7d-c70ae8ca1...(a)u36g2000prn.googlegroups.com....
>
> > You may already know about Buffon's Needle Problem
> >http://mathworld.wolfram.com/BuffonsNeedleProblem.html
>
> > I am thinking about the following variation
>
> > Find the probability that a needle of length "l" will land on a
> > circle, given a floor with equally spaced Concentric circles at a
> > distance "d" apart?
>
> > Here is the drawing which I have made for my simulation
> >http://i233.photobucket.com/albums/ee201/vcpandya/NeedleProblem.jpg
>
> Here is proposed and solved:
>
> http://faculty.missouristate.edu/l/lesreid/Adv63.html
>
> --
> Saludos,
>
> Ignacio Larrosa Cañestro
> A Coruña (España)
> ilarrosaQUITARMAYUSCU...(a)mundo-r.com

Great! Thanks for that reference. I did not know that this was already
proposed & solved by someone!!!
I thought about this when I was diddling around with questions where
Pi appears out of no where & Buffon's needle problem is one of those.

A special thanks to Sjoerd Job for writing Mathematica code for
simulation.

I really appreciate all responses.

Regards,
AI
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