[FoRK] Capitalism, Contracts and Cronyism

Stephen Williams sdw at lig.net
Wed Aug 27 12:55:41 PDT 2008

Jeff Bone wrote:
> On Aug 27, 2008, at 2:14 PM, Stephen Williams wrote:
>> Even with a neural net or other machine learning system, you should 
>> be able to feed it ranges of inputs to derive approximate formulas 
>> that explain its behavior.  While that may take a long time to 
>> iterate through all variables, it is possible.
> We've had this conversation before, but you're just not correct about 
> this, your statement is too broad.  It may be true in certain limited 
> cases, but it's not true in general.  This is a topic I happen to live 
> with day to day, so I know whereof I speak on this.
> The map is not the territory.  And the mapping between the map and the 
> territory may be complex enough that it cannot be sensibly expressed 
> in any finite terms less complicated than the map itself, the 
> territory, or both.
True.  It may not be.  And finding a mathematical representation of the 
full model may be NP-Complete.  Obviously, a neural net trained on the 
trajectory of a bouncing ball has an output that can be quantified into 
a formula easily.  At least some of what is learned should have similar 
meta characteristics, if such exist in the model.

> jb

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