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Education > Math Recreational > Re: Curve C - a...
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Re: Curve C - again

by Alexm <amcwill417@[EMAIL PROTECTED] > Mar 20, 2008 at 10:48 PM

On Mar 20, 6:13=A0pm, Tim Little <t...@[EMAIL PROTECTED]
>
wrote:
> On 2008-03-20, Alexm <amcwill...@[EMAIL PROTECTED]
> wrote:
>
> > If the curves consist of 3 points (i.e., triangles) then the
> > computer calculations would be not very difficult and would consist
> > of choosing the three vertices randomly and then scaling so that the
> > perimeter =3D L.
>
> First, how do you choose 3 points "randomly"? =A0Do you take (X,Y)
> coordinates chosen independently from a Gaussian distribution?
> Uniform within some range or other? =A0Equal-area choice from within a
> unit circle? =A0Do you throw out any triangles that do not include the
> origin? =A0Do you choose uniform angles and some distribution on radii
> instead? =A0If so, which distribution?
>
> > Would working with n-polygons (polar coordinates with n angles and
> > radii randomly chosen) give a good approximation to the answer if n
> > is taken larger and larger?
>
> I don't think there is any such thing as "the" answer to be
> approximated. =A0There are only answers that vary with the initial
> distributions.
>
> - Tim

Yes, there are difficulties both practical and, more im****tantly,
conceptual.  Thanks for bringing me down to earth.

AlexM
 




 5 Posts in Topic:
Curve C - again
Alexm <amcwill417@[EMA  2008-03-19 20:13:39 
Re: Curve C - again
Tim Little <tim@[EMAIL  2008-03-20 05:21:19 
Re: Curve C - again
Alexm <amcwill417@[EMA  2008-03-20 08:03:48 
Re: Curve C - again
Tim Little <tim@[EMAIL  2008-03-20 23:13:58 
Re: Curve C - again
Alexm <amcwill417@[EMA  2008-03-20 22:48:28 

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tan12V112 Sat Oct 11 10:54:21 CDT 2008.