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Topic: random number generators and properties of randomness
Replies: 5   Last Post: Jun 23, 1996 11:00 PM

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Lance Levine

Posts: 6
Registered: 12/12/04
random number generators and properties of randomness
Posted: Jun 13, 1996 10:42 PM
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How exactly does a random number generator work?
I'd imagine it has some sort of function that inputs a
logical series of numbers (the positive integers would
probably be simplest) and outputs a "random" number
between 0 and 1 (or 0 and 65535 or whatever). What
would this function be like?

Also, what exactly are the properties that one looks for
to evaluate how "random" the output is? There are
definately qualitative criteria for deciding how random
something is...for example, a field of points that are more
dense toward the center would somehow be less random
than a field with no large discernable clusters. Are there
any quantitative criteria for randomness?

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