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I want to create a net that uses radial basis function in a NARX model: inputs contain delays and feed back. Something like this...

4 Answers

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Asked 9 months ago

Thank you. It helps to determine alpha but not to calculate the neural network jacobian matrix. Hope that future Matlab NN tool ...

Answered 1 year ago

Thank you Greg. So, when I use this code : net = narxnet(inputDelays,feedbackDelays,hiddenLayerSize); [net,tr] = tra...

Answered 2 years ago

Thank you for your reponse. here is the code: inputSeries = tonndata(u,true,false); targetSeries = tonndata(y,true,fals...

I have Two questions concerning NARX neural network model when training is done using the early stopping technique: # It is t...

3 Answers

Asked 2 years ago

My goal is to optimize my NN for a fiting problem. So I want to test several number of neurons in the hidden layer and repeat t...

Hi, Using the NN tool box (MATLAB R2012b), I trained a NARX NN with data vectors X for input and Y for output. Now I would to...

I want calculate prediction intervals so I have 2 direct questions: # How can I get the weight decay parameter 'alpha' (mse+...

2 Answers

Asked 1 year ago

It is possible to configure and train a NN with diffrent time delays in the MATLAB neural network tool box such as: Y(t)=F(x...

All is in the question: I want to use logsig as a transfer function for the hidden neurones so I have to normalize data between ...

Training data are in [minTrain maxTrain], test data are in [minTest maxTest] such as 30% (for instance) of the data are outside ...

1 Answers

George Cybenko had prouven that NN are universal approximators for continuous functions (see http://en.wikipedia.org/wiki/Unive...

I'm getting started with the NN tool box for modeling systems with time delays so I started with an example which goal is to ide...

Which method is usually used in matlab to estimate the net parameters? It is the maximum likelihood estimation or the Least Squa...

Asked 6 months ago