% wf2.m
%
P = aadata122;
T = eye(6);
[S,Q] = size(T);
lr = 0.9*maxlinlr (P);
W0 = [ 1.9978 -0.5959 -0.3517; 1.5543 0.05331 1.3660; 		% 初始權(quán)值
     1.0672 0.3645 -0.9227; -0.7747 1.3839 -0.3384];
B0 = [ 0.0746;-0.0642;-0.4256;-0.6433];
net = newlin(minmax(P),S,[0],lr);                           % 創(chuàng)建線性網(wǎng)絡(luò)
net.iw{1,1} = W0;									
net.b{1} = B0;
A = sim(net,P);                                 
e = T - A;                                                  % 求訓(xùn)練前網(wǎng)絡(luò)的輸出誤差
sse = (sumsqr(e))/(S*Q);                                        % 求誤差平方和的平均值
fprintf('Before training,sum squrared error=%g.\n',sse);    % 顯示訓(xùn)練前網(wǎng)絡(luò)的均方差
net.trainParam.epochs = 400; 			                    % 最大循環(huán)次數(shù)
net.trainParam.goal = 0.001; 			                    % 期望誤差(均方差)
[net,tr]=train(net,P,T);                                
W = net.iw{1,1}                                             % 顯示最終權(quán)值
B = net.b{1}