On Sat, Apr 19, 2003 at 06:36:25AM +0900, Hal E. Fulton wrote:
> 
> 2. This reminds me so much of when I studied
> mathematical models of population genetics. (It
> was my first real exposure to matrices... I had
> discrete math and calculus, but never linear
> algebra.)
> 
> 3. As I did back then, I can't help wondering:
> Shouldn't there be a simple non-iterative solution
> for this? Or at least non-matrix? Something like,
> umm, find the geometric mean and divide each weight
> by that and multiply by the price of tea in China?

[ruby-talk:69721]
The last step can be done by solving a linear equations system instead
of doing it iteratively. Of course, the iteration is then hidden inside
the solver :-)

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