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From: helmut@cosy.sbg.ac.at (Helmut Mayer)
Subject: Re: How to select which chromsomes to replace
Message-ID: <D7p38o.1nG@wst.edvz.sbg.ac.at>
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Reply-To: helmut@cosy.sbg.ac.at
Organization: University of Salzburg / Austria
References: <3n83lb$gb1@sndsu1.sedalia.sinet.slb.com>
Date: Thu, 27 Apr 1995 13:09:59 GMT
Lines: 21

Nick Walton writes

# What I need is to keep elements of the population which have a low penalty
# rather than just a good selection fitness.
# 
# Any ideas?

How about using F(c) = f(c) / (p(c) + delta) with delta > 0. In conjunction  
with a rank-based selection scheme (replacement scheme) this should do the  
trick..;-)

Best regards,

Helmut
--
Helmut A. Mayer, University of Salzburg, Department of Computer Science
*** Member of siGis ***
Jakob-Haringer-Strasse 2, A-5020 Salzburg, AUSTRIA
Tel.: +43-662-8044-6315  Fax: +43-662-8044-611
"...All I want is PEACE and LOVE on this planet, aint how that GOD planned  
it?..." - Chuck D.
