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How to find sensitivity of feedforward net in matlab?

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I am trying to find the sensitivity of a feedforward neural network. For example, to find the sensitivity of the following feedforwardnet
[x , t] = house_dataset;
net = feedforwardnet(10);
net = train(net, x, t);
I used the formula
s = b2 + Lw * tanh(b1 + Iw * x)
But it has the following error
Error using + Matrix dimensions must agree.
I am trying to find another solution. Please Help me on how to find sensitivity of a neural network Feedforward net.
  1 Comment
Greg Heath
Greg Heath on 23 Apr 2015
Sensitivity to what?
The above equation has the right form however, you have to make the dimensions of the biases compatible using the function repmat.
Use the command
whos
to make sure dimensions are compatible.
Hope this helps.
Greg

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Accepted Answer

Greg Heath
Greg Heath on 20 Apr 2015
You forgot to take into account that the input is 13 dimensional
  2 Comments
Andualem alemu
Andualem alemu on 22 Apr 2015
Edited: Andualem alemu on 22 Apr 2015
so, would you please help me on how to find the sensitivity of feedforwardnet for this 13 dimensional data?

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