%?function?backw?performs?backward?selection
function?[ncrispmaxcompmaxccmaxrisplibb]=backw（rcrcromrespnumvarccdatasetyautngmaxcompmaxrisplibbmxisximyisyiel）;
%?verifying?the?list?of?the?already?“backwarded“?chromosomes
test1=1;
crb=0;ncp=[];rispmax=[];compmax=[];
if?isempty（libb）==0
??while?test1==1?&?crb????crb=crb+1;
????j=0;
????test2=1;
????while?test2==1?&?j??????j=j+1;
??????if?crom（crb:）==libb（j:）
????????test2=0;
??????end
????end
????if?test2==1
??????test1=0;	
????end
??end
else
??crb=1;
end

impr=1;
nc=crom（crb:）;
startresp=resp（crb:）;
while?impr==1
??impr=0;
??libb=[libb;nc];
??start=find（nc）;
??startvar=size（start2）;
??if?startvar>1
????for?i=1:startvar
??????varr=start;
??????varr（i）=[]

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????25854??2020-12-03?01:25??GA-PLS?toolbox\GA-PLS.docx
?????文件???????19255??2020-12-03?01:25??GA-PLS?toolbox\GA-PLS?toolbox\manual?of?the?pls-genetic?algorithm?toolbox.pdf
?????文件???????35382??2020-12-03?01:25??GA-PLS?toolbox\GA-PLS?toolbox\manual?of?the?pls-genetic?algorithm?toolbox_decrypted1.docx
?????文件????????1363??2020-12-03?01:25??GA-PLS?toolbox\GA-PLS?toolbox\ga-pls\backw.m
?????文件????????1266??2020-12-03?01:25??GA-PLS?toolbox\GA-PLS?toolbox\ga-pls\BETACDF.M
?????文件????????2764??2020-12-03?01:25??GA-PLS?toolbox\GA-PLS?toolbox\ga-pls\BETAINV.M
?????文件????????1211??2020-12-03?01:25??GA-PLS?toolbox\GA-PLS?toolbox\ga-pls\BETAPDF.M
?????文件?????????208??2020-12-03?01:25??GA-PLS?toolbox\GA-PLS?toolbox\ga-pls\CHECKTW.M
?????文件?????????342??2020-12-03?01:25??GA-PLS?toolbox\GA-PLS?toolbox\ga-pls\CHKSUBS.M
?????文件????????3531??2020-12-03?01:25??GA-PLS?toolbox\GA-PLS?toolbox\ga-pls\DISTCHCK.M
?????文件?????????824??2020-12-03?01:25??GA-PLS?toolbox\GA-PLS?toolbox\ga-pls\Err_ga.m
?????文件????????1331??2020-12-03?01:25??GA-PLS?toolbox\GA-PLS?toolbox\ga-pls\FINV.M
?????文件????????6969??2020-12-03?01:25??GA-PLS?toolbox\GA-PLS?toolbox\ga-pls\gapls.m
?????文件????????5976??2020-12-03?01:25??GA-PLS?toolbox\GA-PLS?toolbox\ga-pls\gaplsopt.m
?????文件????????6754??2020-12-03?01:25??GA-PLS?toolbox\GA-PLS?toolbox\ga-pls\gaplsout.M
?????文件????????7429??2020-12-03?01:25??GA-PLS?toolbox\GA-PLS?toolbox\ga-pls\gaplssp.m
?????文件???????19255??2020-12-03?01:25??GA-PLS?toolbox\GA-PLS?toolbox\ga-pls\mangapls.pdf
?????文件?????????726??2020-12-03?01:25??GA-PLS?toolbox\GA-PLS?toolbox\ga-pls\plotmore.M
?????文件????????3645??2020-12-03?01:25??GA-PLS?toolbox\GA-PLS?toolbox\ga-pls\plotone.asv
?????文件????????3649??2020-12-03?01:25??GA-PLS?toolbox\GA-PLS?toolbox\ga-pls\plotone.m
?????文件????????1784??2020-12-03?01:25??GA-PLS?toolbox\GA-PLS?toolbox\ga-pls\plsgacv.m
?????文件????????3479??2020-12-03?01:25??GA-PLS?toolbox\GA-PLS?toolbox\ga-pls\predpls.m
?????文件?????????429??2020-12-03?01:25??GA-PLS?toolbox\GA-PLS?toolbox\ga-pls\Pr_ga.m
?????文件??????????48??2020-12-03?01:25??GA-PLS?toolbox\GA-PLS?toolbox\ga-pls\randomiz.m
?????文件????????1365??2020-12-03?01:25??GA-PLS?toolbox\GA-PLS?toolbox\ga-pls\reg_ga.m
?????文件?????????371??2020-12-03?01:25??GA-PLS?toolbox\GA-PLS?toolbox\ga-pls\sc_ga.m
?????文件??????145728??2020-12-03?01:25??GA-PLS?toolbox\GA-PLS?toolbox\ga-pls\selectfrequency.fig
?????文件????????2646??2020-12-03?01:25??GA-PLS?toolbox\GA-PLS?toolbox\ga-pls\TILEFIGS.M
?????文件?????????962??2020-12-03?01:25??GA-PLS?toolbox\GA-PLS?toolbox\ga-pls\Update.m
?????文件????????5012??2020-12-03?01:25??GA-PLS?toolbox\GA-PLS?toolbox\ga-pls\ZOOMRB.M