[metapost] Drawing a urn

Hartmut Henkel hartmut_henkel at gmx.de
Thu Nov 29 19:44:01 CET 2007

On Thu, 29 Nov 2007, Troy Henderson wrote:

> > yes, which leads to other implementations: put exactly as many black
> > balls in as needed, but place them randomly (avoiding collisions),
> > or e. g. put balls first in regularly and then stir them up randomly
> > (e.g. repeatedly exchanging balls between two random positions.
> Is that what your posted code does?

no, but Dan's does it, admirably (modulo typos :-)

Regards, Hartmut

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