function?[EPOPEpatime]=APESPEA2f（POPpaFitNe）
%?Authors:?Maoguo?Gong?and?Licheng?Jiao
%?April?7?2006
%?Copyright?（C）?2005-2006?by?Maoguo?Gong?（e-mail:?gongmg@126.com）
%--------------------------------------------------------------------------
tic;
ndsign=find（Fit<1）;
if?length（ndsign）<=Ne
????[aaata1]=sort（Fit）;
????EPOP=POP（ta1（1:Ne）:）;
????Epa=pa（ta1（1:Ne）:）;
else
????tP=POP（ndsign:）;
????tpa=pa（ndsign:）;
????[NsC]=size（tpa）;
????for?i=1:Ns
????????for?j=i+1:Ns
????????????E（ij）=sqrt（sum（（tpa（i:）-tpa（j:））.^2））;
????????????E（ji）=E（ij）;
????????end
????end
????while?Ns>Ne
????????SE=[];SE=sort（E2）;
????????i=1;cc=[1:Ns]‘;dd=[];
????????while?i????????????EC=[];EC=SE（cci+1）;
????????????[aabb]=min（EC）;dd=find（EC==aa）;cc=cc（dd）;
????????????if?length（cc）==1
????????????????i=Ns+1;deleti=cc;
????????????end
????????????i=i+1;
????????end
????????if?length（cc）~=1
????????????deleti=cc（1）;
????????end
????????tP（deleti:）=[];tpa（deleti:）=[];
????????E（deleti:）=[];E（:deleti）=[];
????????Ns=Ns-1;
????end
????EPOP=tP;Epa=tpa;????
end%?environmental?selection
time=toc;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2013-02-27?22:01??SPEA2\
?????文件??????486708??2011-12-24?21:18??SPEA2\A?closer?look?at?drawbacks?of?minimizing?weighted.pdf
?????目錄???????????0??2013-02-27?22:01??SPEA2\SPEA2\
?????文件????????1144??2009-09-09?10:58??SPEA2\SPEA2\APESPEA2f.m
?????文件?????????456??2009-09-09?10:58??SPEA2\SPEA2\BTSf.m
?????文件?????????384??2009-09-09?10:58??SPEA2\SPEA2\DONtwo.m
?????文件????????1178??2009-09-09?11:01??SPEA2\SPEA2\EMOinstruction.m
?????文件????????1338??2009-09-09?10:58??SPEA2\SPEA2\FASPEA2f.m
?????文件?????????647??2009-09-09?10:58??SPEA2\SPEA2\Frontshow.m
?????文件????????4933??2009-09-09?10:58??SPEA2\SPEA2\OVcom.m
?????文件????????1203??2009-09-09?10:58??SPEA2\SPEA2\PNmutation.m
?????文件????????1504??2009-09-09?10:58??SPEA2\SPEA2\SBXcross.m
?????文件????????3945??2011-12-24?19:51??SPEA2\SPEA2\SPEA2_Demo.m
?????文件????????2175??2009-09-09?10:58??SPEA2\SPEA2\getbud.m
?????文件??????228958??2011-12-15?17:20??SPEA2\SPEA2-Improving?the?Strength?Pareto?Evolutionary?Algorithm.pdf
?????文件??????145408??2011-12-21?10:31??SPEA2\SPEA2.doc
?????目錄???????????0??2013-02-27?22:01??SPEA2\SPEA2_MATLAB\
?????文件?????????179??2007-11-26?12:15??SPEA2\SPEA2_MATLAB\demo_funct.m
?????文件?????????367??2011-12-24?20:34??SPEA2\SPEA2_MATLAB\demo_moea.m
?????文件????????5698??2007-11-26?15:24??SPEA2\SPEA2_MATLAB\moea.m
?????文件????????2962??2007-11-26?12:17??SPEA2\SPEA2_MATLAB\moea_copyrights.m
?????文件???????71219??2007-11-26?16:39??SPEA2\SPEA2_MATLAB\moea_manual.pdf
?????目錄???????????0??2013-02-27?22:01??SPEA2\SPEA2_MATLAB\source\
?????文件?????????175??2007-11-26?13:16??SPEA2\SPEA2_MATLAB\source\build_spea2.m
?????文件???????15713??2007-11-26?12:20??SPEA2\SPEA2_MATLAB\source\selector.c
?????文件????????2355??2007-11-26?12:20??SPEA2\SPEA2_MATLAB\source\selector.h
?????文件????????7587??2007-11-26?12:20??SPEA2\SPEA2_MATLAB\source\spea2.c
?????文件???????24801??2007-11-26?12:21??SPEA2\SPEA2_MATLAB\source\variator.c
?????文件????????4523??2007-11-26?12:21??SPEA2\SPEA2_MATLAB\source\variator.h
?????文件???????19968??2007-01-08?11:37??SPEA2\SPEA2_MATLAB\spea2.mexw32
?????目錄???????????0??2013-02-27?22:01??SPEA2\spea2_good\
............此處省略23個文件信息