Neural network tool application

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Gaeul Lee 2015-5-20

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编辑： Umakant 2015-5-20

When I use Neural network tool, I don't know how can I apply trained model. After I made a network file, how can I apply the model to new input data?

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Answer 1

Umakant 2015-5-20

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编辑：Umakant 2015-5-20

在 MATLAB Online 中打开

Hi Gaeul,

As I understand you would like to test the Neural Network for new inputs(testing data). You can use the 'net' function to test the network. Please take a look at the following code snippet:

% Create a Pattern Recognition Network
hiddenLayerSize = 10;
net = patternnet(hiddenLayerSize);
% Train the Network
[net,tr] = train(net,inputs,targets);
% Test the Network
outputs = net(inputs);
errors = gsubtract(targets,outputs);
performance = perform(net,targets,outputs)

The example given above assumes a Pattern Classification Neural Network in use.If your application involves fitting data with NN please refer to the following link:

http://www.mathworks.com/help/releases/R2014a/nnet/gs/fit-data-with-a-neural-network.html

Refer to the following link for more information on Neural Network design steps:

http://www.mathworks.com/help/releases/R2014a/nnet/gs/neural-network-design-steps.html

Thanks,

Umakant