p = [-1 -1 2 2;0 5 0 5]; 1 m# E( t# F6 d D( i' zt = [-1 -1 1 1]; 8 E: D; ?) b. Knet=newff(p,t,[3,1],{'tansig','purelin'},'traingd');' N* W2 v( z7 Z, ^$ ]8 X: u
net.trainParam.show = 50; ) n0 N5 r9 r+ E0 \net.trainParam.lr = 0.05; ) x- ?, o. j2 A( hnet.trainParam.epochs = 300; & y7 e& \$ E& H9 {net.trainParam.goal = 1e-5;" H" h+ Q+ y/ V% M
net=train(net,p,t); 6 t0 c/ Q8 t* F g 8 y; v" k2 r# k8 J3 ~2 |# U, r( q# g0 e" I$ W
p = [-1 -1 2 2;0 5 0 5]; * @1 F" p* Y- b" M# o, e# a2 mt = [-1 -1 1 1]; % |& D6 ^7 Q, x( m) {1 l% 如果我们要在每一次提交输入后都更新权重,那么我们需要将输入矩阵和目标矩阵转变为细胞数组。每一个细胞都是一个输入或者目标向量。( o: X* Y: z( z( \* n! G
p = num2cell(p,1);# W7 Y; D5 v. ]4 T. y. n B) @% p
t = num2cell(t,1);( q% L7 V# ?. l6 C' ?0 }
net=newff(p,t,[3,1],{'tansig','purelin'},'traingd');1 z/ ]9 |6 S+ q0 b6 C1 ?. O R* a* w
net.biases{1,1}.learnFcn = 'learngdm'; , {/ e5 [1 j- X6 k6 ~net.biases{2,1}.learnFcn = 'learngdm';1 z1 L. [, S+ V- S9 g& {
net.layerWeights{2,1}.learnFcn = 'learngdm';: l! S# h7 d9 `% P4 `
net.inputWeights{1,1}.learnFcn = 'learngdm';! f, W+ Q* F* k9 S
net.layerWeights{2,1}.learnParam.lr= 0.2;; K& I$ j1 e( ^3 p2 m% C
net.adaptParam.passes = 200;# U+ H5 j7 l& N; |+ G
[net,a,e]=adapt(net,p,t);! X* T4 B& C) I5 ]/ d/ Z G
%训练结束以后,我们就可以模拟网络输出来检验训练质量了。' o3 v# T- \) W2 I5 O% M$ V
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我编了两套代码,增加方式和预处理都试了,都是一样的结果 - V# W* e# N6 F.??? Attempt to reference field of non-structure array.9 d; F J$ I. }3 r