A little demo of Polya's Urn's somewhat counter-intuitive dynamics...
The single rule is: draw a marble at random then put it back and add a second marble of the same colour. Although there is an obvious positive feedback involved ("rich becomes richer"), it turns out that a strongly uneven distribution is not particularly likely!
P#43445 2017-08-19 23:34 ( Edited 2017-08-20 03:34)
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