Neural networks toolbox, error weights, get an error

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Leonid
Leonid 2011-6-29
评论： PALASH MONDAL 2018-3-9
Hello!
I'm trying to run the following script
x=eye(12);
t = [0 1 1 0 1 0 0 0 1 1 0 1];
ew = (t==0)*0.5 + (t==1);
net = feedforwardnet(10);
net = configure(net,x,t);
net = train(net,x,t,[],[],ew);
And i got an error message ??? Error using ==> trainlm at 109 Inputs and input states have different numbers of samples.
Error in ==> network.train at 107 [net,tr] = feval(net.trainFcn,net,X,T,Xi,Ai,EW,net.trainParam);
Error in ==> Untitled at 7 net = train(net,x,t,[],[],ew);
Without the ew parameter it works pretty good:
net = train(net,x,t);
The question is, how can I properly set error weights for targets? I use MATLAB 2010b.
In fact I tried to run an example from here http://www.mathworks.de/matlabcentral/answers/2868-neural-network-performance-function-weighted-sse-and-false-alarms
Thank you in advance, Leonid
  1 个评论
PALASH MONDAL
PALASH MONDAL 2018-3-9
My dear as your mention code above is now perfectly running on Matlab 2017a without any modification. There is no error as you mention as line wise.

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回答（2 个）

Francois
Francois 2011-7-14
Contacted Mathworks,
this is the right code
[net,tr] = train(net,x,t,{},{},EW);
I used it, and it works great!
Francois
Francois 2011-7-7
I have the same problem,
[net,tr] = train(net,x,t,[],[],EW);
??? Error using ==> trainlm at 109
Inputs and input states have different numbers of samples.
Error in ==> network.train at 107
[net,tr] = feval(net.trainFcn,net,X,T,Xi,Ai,EW,net.trainParam);
the problem is not with EW but with Xi and Ai, and this is not easy to write. If someone has done it before an example would be appreciated!

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