绁炵粡缃戠粶鐨勮璁″疄渚?/p>
(MATLAB
缂栫▼
)
渚?/p>
1
閲囩敤鍔ㄩ噺姊害涓嬮檷绠楁硶璁粌
BP
缃戠粶銆?/p>
璁粌鏍锋湰瀹氫箟濡備笅锛?/p>
杈撳叆鐭㈤噺涓?/p>
p =[-1 -2 3 1
-1 1 5 -3]
鐩爣鐭㈤噺涓?/p>
t = [-1 -1 1 1]
瑙ｏ細鏈緥鐨?/p>
MATLAB
绋嬪簭濡備笅锛?/p>
close all
clear
echo on
clc
% NEWFF
鈥斺�?/p>
鐢熸垚涓�涓柊鐨勫墠鍚戠缁忕綉缁?/p>
% TRAIN
鈥斺�?/p>
瀵?/p>
BP
绁炵粡缃戠粶杩涜璁粌
% SIM
鈥斺�?/p>
瀵?/p>
BP
绁炵粡缃戠粶杩涜浠跨湡
pause
%
鏁蹭换鎰忛敭寮�濮?/p>
clc
%
瀹氫箟璁粌鏍锋湰
P=[-1, -2, 3, 1; -1, 1, 5, -3]; % P
涓鸿緭鍏ョ煝閲?/p>
T=[-1, -1, 1, 1]; % T
涓虹洰鏍囩煝閲?/p>
pause;
clc
%
鍒涘缓涓�涓柊鐨勫墠鍚戠缁忕綉缁?/p>
net=newff(minmax(P),[3,1],{'tansig','purelin'},'traingdm')
%
褰撳墠杈撳叆灞傛潈鍊煎拰闃堝�?/p>
inputWeights=net.IW{1,1}
inputbias=net.b{1}
%
褰撳墠缃戠粶灞傛潈鍊煎拰闃堝�?/p>
layerWeights=net.LW{2,1}
layerbias=net.b{2}
pause
clc
%
璁剧疆璁粌鍙傛暟
net.trainParam.show = 50;
net.trainParam.lr = 0.05;
net.trainParam.mc = 0.9;
net.trainParam.epochs = 1000;
net.trainParam.goal = 1e-3;
pause
clc
%
璋冪敤
TRAINGDM
绠楁硶璁粌
BP
缃戠粶
[net,tr]=train(net,P
,T);