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Parameters of Neural Network estimation methods in Matlab
Which method is usually used in matlab to estimate the net parameters? It is the maximum likelihood estimation or the Least Squa...

9 years 前 | 1 个回答 | 0

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How can I improve the performance prediction of a net in extrapolation
Training data are in [minTrain maxTrain], test data are in [minTest maxTest] such as 30% (for instance) of the data are outside ...

10 years 前 | 1 个回答 | 0

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It is possible to create a dynamic model using radial basis function in the matlab tool box?
I want to create a net that uses radial basis function in a NARX model: inputs contain delays and feed back. Something like this...

10 years 前 | 3 个回答 | 0

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Weight decay parameter and Jacobian matrix of a neural network
Thank you. It helps to determine alpha but not to calculate the neural network jacobian matrix. Hope that future Matlab NN tool ...

10 years 前 | 0

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Weight decay parameter and Jacobian matrix of a neural network
I want calculate prediction intervals so I have 2 direct questions: # How can I get the weight decay parameter 'alpha' (mse+...

10 years 前 | 2 个回答 | 0

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Neural network inputs and Outputs with different time delay
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...

11 years 前 | 3 个回答 | 0

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NARX model training in the Neural Network Tool Box
Thank you Greg. So, when I use this code : net = narxnet(inputDelays,feedbackDelays,hiddenLayerSize); [net,tr] = tra...

11 years 前 | 0

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

11 years 前 | 3 个回答 | 0

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Neural Networks are universal approximators, It is true for picewise continuous functions?
George Cybenko had prouven that NN are universal approximators for continuous functions (see http://en.wikipedia.org/wiki/Unive...

11 years 前 | 1 个回答 | 0

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Bad results in modeling systems, with more than 1 Input, using neural network!
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...

11 years 前 | 1 个回答 | 0

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How can I normalize data between 0 and 1 ? I want to use logsig...
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 ...

11 years 前 | 5 个回答 | 1

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Matlab Neural Network program error
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...

11 years 前 | 3 个回答 | 1

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How can I simulate a NARX neural network after being trained and tested?
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...

11 years 前 | 2 个回答 | 0

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