資源簡介
Matalbpso優(yōu)化bp網(wǎng)絡(luò)程序-PSO-bp.rar
利用pso優(yōu)化bp網(wǎng)絡(luò)
利用pso優(yōu)化bp網(wǎng)絡(luò)

代碼片段和文件信息
function?error?=?fun(xinputnumhiddennumoutputnumnetinputnoutputn)
%該函數(shù)用來計算適應(yīng)度值
%x??????????input?????個體
%inputnum???input?????輸入層節(jié)點數(shù)
%outputnum??input?????隱含層節(jié)點數(shù)
%net????????input?????網(wǎng)絡(luò)
%inputn?????input?????訓(xùn)練輸入數(shù)據(jù)
%outputn????input?????訓(xùn)練輸出數(shù)據(jù)
%error??????output????個體適應(yīng)度值
%提取
w1=x(1:inputnum*hiddennum);
B1=x(inputnum*hiddennum+1:inputnum*hiddennum+hiddennum);
w2=x(inputnum*hiddennum+hiddennum+1:inputnum*hiddennum+hiddennum+hiddennum*outputnum);
B2=x(inputnum*hiddennum+hiddennum+hiddennum*outputnum+1:inputnum*hiddennum+hiddennum+hiddennum*outputnum+outputnum);
net=newff(inputnoutputnhiddennum);
%網(wǎng)絡(luò)進(jìn)化參數(shù)
net.trainParam.epochs=20;
net.trainParam.lr=0.1;
net.trainParam.goal=0.00001;
net.trainParam.show=100;
net.trainParam.showWindow=0;
?
%網(wǎng)絡(luò)權(quán)值賦值
net.iw{11}=reshape(w1hiddennuminputnum);
net.lw{21}=reshape(w2outputnumhiddennum);
net.b{1}=reshape(B1hiddennum1);
net.b{2}=B2;
%網(wǎng)絡(luò)訓(xùn)練
net=train(netinputnoutputn);
an=sim(netinputn);
error=sum(abs(an-outputn));
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件??????46404??2011-03-04?10:53??PSO-bp\data.mat
?????文件???????1049??2011-03-04?10:53??PSO-bp\fun.m
?????文件???????2063??2011-03-09?19:30??PSO-bp\PSO.asv
?????文件???????2058??2011-03-09?19:32??PSO-bp\PSO.m
?????目錄??????????0??2011-03-09?15:34??PSO-bp
-----------?---------??----------?-----??----
????????????????51574????????????????????5
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