On 7/13/2012 12:43 PM, Burkett, William [USA] wrote:
> A bit more to add to the discussion of "models", a "model"
> may have several, likely overlapping, purposes... (01)
I agree. (02)
But all those purposes -- Inquisitive, Descriptive, Predictive,
Informative, Prescriptive, and Representative -- are consistent
with and can be supported by models that fit the basic definition: (03)
JFS
> Petri... observed that when you say X is a model for Y, that means
> X has some structural similarity Z to an important aspect of Y. (04)
The reason why people develop models is that they are usually easier
to build, modify, and analyze than the real-world systems they model. (05)
That property makes them more convenient for all the above purposes. (06)
John (07)
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