Re: On the Genetic Algorithm
Matt Lewis wrote:
> cklester wrote:
> > DB James wrote:
> > > Some time back, I recalled in a post about a program I wrote maybe ten
> > > years ago that
> > > calculates formulas based on inputs and solutions. I have since
> > > reconstructed it in
> > > Euphoria. Calculates formulas? More properly said, it "evolves" an
> > > algorithm for
> > > the solution to the formula.
> > Isn't this less "evolution" and more "automated algorithm tweaking."
> > From what I understand, evolution doesn't work toward a target, does it?
> Evolution is based on 'fitness.' In this case, fitness is the predetermined
> function. In real life, 'fitness' is generally assumed to be actual
> survival and reproduction.
"Fitness" within an environment. Changes in the environment is generally the
mechanism that drives evolution. So, I guess for the example given, a "change"
in the environment would be a different "fitness formula." I want to see that
demo. :)
> > > If this sort of thing were optimized and tweaked, it could potentially
> > > generate new
> > > previously unknown formulas from correct inputs and results, but that is
> > > far off now...
> > How do you determine "correct inputs and results" from "unknown formulas?"
> You could be dealing with a set of data where you have inputs and outputs,
> but don't know what sort of function maps between the two.
Where would you ever obtain such a dataset (input values and their related
output values)?
-=ck
"Programming in a state of EUPHORIA."
http://www.cklester.com/euphoria/
|
Not Categorized, Please Help
|
|
