Re: Generating Random Numbers with Normal Distribution
| From: | Robert Cummings | Date: | Wed, 12 Dec 2007 20:31:30 +0000 |
| Subject: | Re: Generating Random Numbers with Normal Distribution | ||
| References: | 1 2 3 4 5 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-265802@lists.php.net to get a copy of this message | ||
On Wed, 2007-12-12 at 12:40 -0500, tedd wrote:
> At 10:12 AM -0500 12/12/07, Robert Cummings wrote:
> >On Wed, 2007-12-12 at 08:59 -0500, tedd wrote:
> >> At 5:15 PM -0500 12/10/07, Daniel Brown wrote:
> >> > Just for fun, I decided to write out an algorithm to randomize
> >> >with a never-known seed that would update constantly, with no human or
> >> >external script intervention required to initiate or maintain it.
> >>
> >>
> >> [1]My guess is that if there was a time that this <whatever> did not
> >> exist, but now does exist, then it cannot be random. It may be random
> >> for a billion years, or more, but it would eventually repeat.
> >>
> >> [2]However, it something started at the instant of the big-bang, then
> >> its repeat cycle would be at least equal-to, or greater-than, known
> >> time and thus random.
> >
> >Just because something doesn't repeat doesn't make it random. It may be
> >that Pi never repeats and yet we know it is not random.
> >
> >Cheers,
> >Rob.
>
>
> Yes, that's a good observation, but look to rule [1] -- when did Pi come about?
You mean guess [1] :) At any rate I'm not sure how assertion [1] affects
the observation.
Cheers,
Rob.
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