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echo: aust_c_here
to: Frank Malcolm
from: Paul Murray
date: 1993-05-15 23:29:00
subject: Re: Random Numerals

PE> RS>      Ok , i admit - you can't have perfect random numbers

 FM> For truly random numbers, try using radioactive decay.

On the topic of random numbers, I seem to remenber that there is no way to
tell if a finite series of numbers is *really* random or not - although you
can calculate a probability that it is truly random. Chi sqared or something.

Basically, unless you are using an infinite numer of random numbers,
srand((int)time(NULL)) will give you random numbers more-or-less
indistinguishable both theoretically and for all practical purposes from
a sequence of truly random (probabilistic) nubers.

PS - instead of radioactive decay, perhaps you could rig up a noisy
transistor.

PPS - yes I know that you didn't make the original posting, I hope you don't
mind this being adressed to you.

... My hard disk is full! Maybe I'll try this message section thing.
--- GEcho 1.00/gamma+

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