[A83] Re: Randomization


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[A83] Re: Randomization




A nice experiment:
83+: clear ram, make a graph Y1=randX, StorePic1, archive it, clear ram,
make the same graph, and while recalling Pic1, you'll see it's the same.
83&83+:clear ram, do some rands at the home screen, clear ram, do some rands
again. They're the same:)

>At 13:42 2001-12-11, you wrote:
>
>>Most processors have a stored list of "random" numbers.  They aren't
>>randomly generated in real-time...that's why they are called
>>pseudo-random...I'm not sure if this is how the calculators give random
>>numbers
>
>Not really. They don't have a list stored, but an more or less simple
>algoritm that gives you the same next number for each given starting number
>(seed).
>A simple algoritm -> fast, but less random (less evenly distributed numbers
>over the chosen interval)
>more advanced -> slower, but more evenly distributed.
>True random is impossible in a system like a processor, that is why it is
>called "pseudo-random", this and the fact that each seed gives the same
"list".
>But there is no list stored...
>
>///Olle
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