[ExI] isaac's number

[John Clark]

On Tue, Aug 1, 2017 at 2:10 PM, spike <spike66 at att.net> wrote:

>...Woolhouse's 11/144 = .076388889, equal to my Monte Carlo solution to
> ​ ​
> about a part per million.
> ​ ​
> Correction, my sim gives .0763889013, but I found a much faster way to do
> ​ ​
> the calc by generating only three points and calculating an area.


​
That my friend is impressive! Do you have a hardware
​ ​
random number generator on your computer? I didn't know software
pseudorandom
​ ​
ones were that good
​.​

​Maybe
 they have hardware ones built into microprocessor chips these days.

 John K Clark







>
> -----Original Message-----
> >...From: extropy-chat [mailto:extropy-chat-bounces at lists.extropy.org] On
> Behalf Of spike
>
>
> >...OK, so Woolhouse already claims this, in 1867.
>
> >...I ran 350 billion trials last night (why does that sound like an
> exaggeration?  (It isn't.))  The answer I get from that is
>
> 0.063889013
>
> >...Woolhouse's 11/144 = .076388889, equal to my Monte Carlo solution to
> about a part per million.
>
>
>
> Correction, my sim gives .0763889013, but I found a much faster way to do
> the calc by generating only three points and calculating an area.
>
> Next we go on to generating three points on a unit sphere, connecting them
> with great circles and repeat.
>
> spike
>
>
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