資源簡介
通過遺傳算法對BP神經(jīng)網(wǎng)絡(luò)進(jìn)行優(yōu)化,包含所相關(guān)的函數(shù),有數(shù)據(jù)集,可以直接運(yùn)行

代碼片段和文件信息
%讀取數(shù)據(jù)
data=xlsread(‘data.xls‘);
%訓(xùn)練預(yù)測數(shù)據(jù)
data_train=data(1:113:);
data_test=data(118:123:);
input_train=data_train(:1:9)‘;
output_train=data_train(:10)‘;
input_test=data_test(:1:9)‘;
output_test=data_test(:10)‘;
%數(shù)據(jù)歸一化
[inputnmininputmaxinputoutputnminoutputmaxoutput]=premnmx(input_trainoutput_train);?%對p和t進(jìn)行字標(biāo)準(zhǔn)化預(yù)處理?
net=newff(minmax(inputn)[101]{‘tansig‘‘purelin‘}‘trainlm‘);
net.trainParam.epochs=100;
net.trainParam.lr=0.1;
net.trainParam.goal=0.00001;
%net.trainParam.show=NaN
%網(wǎng)絡(luò)訓(xùn)練
net=train(netinputnoutputn);
%數(shù)據(jù)歸一化
inputn_test?=?tramnmx(input_testmininputmaxinput);
an=sim(netinputn);
test_simu=postmnmx(anminoutputmaxoutput);
error=test_simu-output_train;
plot(error)
k=error./output_train
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-08-09?20:59??GA-BP\
?????文件?????????772??2009-08-31?23:41??GA-BP\BP.m
?????文件?????????420??2009-08-16?22:48??GA-BP\Code.m
?????文件????????1556??2009-08-31?23:41??GA-BP\Cross.m
?????文件????????1158??2009-08-31?23:41??GA-BP\Decode.m
?????文件????????4170??2016-08-10?19:05??GA-BP\Genetic.asv
?????文件????????4170??2016-08-10?19:08??GA-BP\Genetic.m
?????文件????????1602??2009-11-12?19:20??GA-BP\Mutation.m
?????文件?????????825??2010-05-26?00:10??GA-BP\Select.m
?????文件??????124583??2016-08-06?10:16??GA-BP\a.DAT
?????文件???????46404??2009-09-18?14:23??GA-BP\data.mat
?????文件?????????986??2016-08-10?19:00??GA-BP\fun.m
?????文件?????????957??2016-08-09?13:29??GA-BP\fun.m.bak
?????文件?????????291??2009-08-31?23:41??GA-BP\test.m
?????文件???????25517??2016-08-06?10:17??GA-BP\x.DAT
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