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From: rgamind@relay.nswc.navy.mil (Allen Gaminde)
Subject: Re: mutation
Message-ID: <1996Feb7.144549.2256@relay.nswc.navy.mil>
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Date: Wed, 7 Feb 1996 14:45:06 GMT
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sec3a@design.mech.Virginia.EDU (Susan E. Carlson) wrote:

>Omard,

>I use the idea of changing mutation and crossover rate based on the 
>the variability of the population.  If the population is very diverse
>then I use a low mutation rate and a high crossover rate.  If the
>population has niched and has many members that are the same genetically,
>then I raise the mutation rate and decrease crossover (crossover won't
>do anything for you anyway if the parents are the same genetically.)

>susan

Susan,

	I have tried this adaptive mutation/crossover scheme also and found it
to be quite good.  It's interesting that the more inbreeding you have
in the population, the more mutation you have  :)

---------------------------------------------
R. Allen Gaminde
Computer Eng.
Naval Surface Warfare Center - Dahlgren, VA
rgamind@relay.nswc.navy.mil
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