From: Philip Rhoades <phil@...>
Date: 2010-10-09T09:03:50+09:00
Subject: Re: A Real World example for Ruby to "compiled" version discussion

Joel.


On 2010-10-09 09:28, Joel VanderWerf wrote:
> On 10/08/2010 06:37 AM, Philip Rhoades wrote:
>> This is an Individual Based Model (IBM) as opposed to populations that
>> can be modelled as a whole with equations etc - so the simulation
>> reflects this.
>
> Traffic simulation has an analogous distinction: microscopic (traffic as
> aggregate behavior of individuals) vs. macroscopic (traffic as wave).


Yep, IMBs get used for lots of things.


> I keep trying to see how to use narray to express the state of your
> model, but the variable length organism list probably prevents that.
> Narray would give you so much for free, especially if part of the
> timestep transformation is linear (matrix multiplication). But that's
> probably simplistic.


I was expecting to have to change my ordered lists to one-dimensional 
ordered arrays anyway . . I will check out narrays . .

Thanks,

Phil.
-- 
Philip Rhoades

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