how can I access the outputs of the hidden layers in a neural network?

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Preeti Prajapati
Preeti Prajapati el 3 de Jun. de 2014
Comentada: Sriharsha el 5 de Dic. de 2018
I have a 2 hidden layer network. I trained it using a set of input output data but after training I want to access the outputs of the hidden layers for applying SVD on the hidden layer output. Please let me know how can I do it.
Thank You.
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mahdis mbioeng
mahdis mbioeng el 7 de Mzo. de 2018
is there any way to access the outputs of hidden layers with this? net.outputs{i}.processParams

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Greg Heath
Greg Heath el 4 de Jun. de 2014
Editada: Greg Heath el 6 de Jun. de 2014
Take the I-H-O net and create an I-H net with no hidden layer.
See the section in the documentation on custom nets.
ADDITION:
Or, you can just write the code. If there is no normalization
IW = cell2mat(net.IW); b1 = cell2mat(net.b{1});
h = tansig( IW*x + repmat( b1,H,N ) );
Hope this helps.
Thank you for formally accepting my answer.
Greg
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Greg Heath
Greg Heath el 5 de Dic. de 2018
input matrix
number of hidden nodes
number of data points
HTH
GREG

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