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Thread Subject:
genetic algorithm niching methods?

Subject: genetic algorithm niching methods?

From: Dave Brackett

Date: 3 Dec, 2008 14:20:19

Message: 1 of 2

Are there any niching methods available in Matlab for use with the genetic algorithm optimiser?

Subject: genetic algorithm niching methods?

From: Rakesh Kumar

Date: 10 Dec, 2008 18:12:01

Message: 2 of 2

"Dave Brackett" <davebrackett@hotmail.com> wrote in message <gh64j3$rjr$1@fred.mathworks.com>...
> Are there any niching methods available in Matlab for use with the genetic algorithm optimiser?

If you are using the multi-objective GA function (GAMULTIOBJ) it has a crowding model implementation (see the option DistanceMeasureFcn) that can be useful. You can use this function to optimize one or more objectives (no nonlinear constraint support yet).

In general, I like crowding model over niching because you don't have to know 'niche count'.


Hope that helps!
Rakesh

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