%讀取訓(xùn)練數(shù)據(jù)
[f1f2f3f4class]?=?textread（‘trainData.txt‘??‘%f%f%f%f%f‘150）;

%特征值歸一化
%[inputminImaxI]?=?premnmx（?[f1??f2??f3??f4?]‘）??;
[inputinputps]=mapminmax（[f1??f2??f3??f4?]‘）;

%構(gòu)造輸出矩陣
s?=?length（?class?）?;
output?=?zeros（?s??3??）?;
for?i?=?1?:?s?
???output（?i??class（?i?）??）?=?1?;
end

%構(gòu)建神經(jīng)網(wǎng)絡(luò)
net?=?newff（?minmax（input）??[7?3]??{?‘logsig‘?‘purelin‘?}??‘traingdx‘?）?;
%魚群算法優(yōu)化權(quán)值和閾值
[nete_iterpassed_times]=af_lwb（netinputoutput）;
%設(shè)置訓(xùn)練參數(shù)
net.trainparam.show?=?50?;
net.trainparam.epochs?=?500?;
net.trainparam.goal?=?0.01?;
net.trainParam.lr?=?0.01?;
%開始訓(xùn)練
net?=?train（?net?input??output‘?）?;
%讀取測試數(shù)據(jù)
[t1?t2?t3?t4?c]?=?textread（‘testData.txt‘??‘%f%f%f%f%f‘150）;
%測試數(shù)據(jù)歸一化
[testInputtestInputps]=mapminmax（[t1t2t3t4]‘）;

%仿真
Y?=?sim（?net??testInput?）;?

%統(tǒng)計(jì)識別正確率
[s1??s2]?=?size（?Y?）?;
hitNum?=?0?;
for?i?=?1?:?s2
????[m??Index]?=?max（?Y（?:???i?）?）?;
????if（?Index??==?c（i）???）?
????????hitNum?=?hitNum?+?1?;?
????end
end
sprintf（‘識別率是?%3.3f%%‘100?*?hitNum?/?s2?）

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-10-27?15:08??AF_BP\
?????目錄???????????0??2017-10-26?20:23??AF_BP\@AF_init\
?????文件?????????488??2017-10-26?19:34??AF_BP\@AF_init\AF_foodconsistence.m
?????文件?????????424??2017-10-26?16:38??AF_BP\@AF_init\AF_init.m
?????文件?????????134??2017-10-26?19:42??AF_BP\@AF_init\dstc.m
?????文件?????????691??2017-10-26?20:08??AF_BP\@AF_init\evaluate.m
?????文件????????1217??2017-10-26?20:08??AF_BP\@AF_init\follow.m
?????文件?????????356??2017-10-26?18:46??AF_BP\@AF_init\get.m
?????文件?????????212??2017-10-26?20:28??AF_BP\@AF_init\move.m
?????文件????????1122??2017-10-26?20:27??AF_BP\@AF_init\prey.m
?????文件?????????429??2017-10-26?18:46??AF_BP\@AF_init\set.m
?????文件????????1557??2017-10-26?20:29??AF_BP\@AF_init\swarm.m
?????文件????????1115??2017-10-27?14:14??AF_BP\af_bp.m
?????文件????????2455??2017-10-27?15:07??AF_BP\af_lwb.m
?????文件???????????0??2017-10-26?16:24??AF_BP\net.B
?????文件????????1349??2011-07-10?13:38??AF_BP\testData.txt
?????文件????????2708??2011-07-10?13:42??AF_BP\totalData.txt
?????文件????????1359??2011-07-10?13:39??AF_BP\trainData.txt