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**Content Feed**

GPU computing doesn't work with timedelaynet, inputDelays != 0:0

Currently the GPU implementation of training does not parallelize for single series. If you have a long series and can break it...

7 years ago | 0

How can I extract the values of weights and biases after each training epoch?

Greg is right, the function to get weights outside of a training function is getwb. Within a training function it is slightly...

7 years ago | 0

GPU training of neural network with parallel computing toolbox unreasonably slow, what am I missing?

Getting a speed up with a GPU requires a couple things: 1) The amount of time spent in gradient calculations (which happen on...

7 years ago | 0

| accepted

When using GPU with neural net, I run out of shared memory per block; is there a way to handle?

I was able to reproduce your error. In MATLAB 13a the nndata2gpu array transformation is no longer required and if gpuArray is u...

9 years ago | 0

Solved

Column Removal

Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

10 years ago

Solved

Find the sum of all the numbers of the input vector

Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

10 years ago

Delays in the Neural Network Toolbox

Yes you are correct. The way you have set delays the network at each time step will be responsive to the current fuzzy time of ...

11 years ago | 0

| accepted

Architecture of the neural network by nftool?

You have correctly understood how the main part of the neural network works, however, the inputs and outputs of the neural netwo...

11 years ago | 0

| accepted

Disable Spacebar Command for Neural Network

You can turn off the training window (and therefore not have a stop button to accidentally trigger) with this command before cal...

11 years ago | 0

Combine parallel toolbox and neural network toolbox

Currently parallel computing can be used to train multiple networks on different MATLAB workers at the same time. This speeds u...

11 years ago | 0

Neural Nets for Classification

Yes, PATTERNNET is recommended for classification problems. TRAINLM is a good training function for most problems. For small...

11 years ago | 0

| accepted

Knowing the Weights in Matlab

The biases for each layer i are net.b{i}. So for a two layer network the biases are net.b{1} and net.b{2}. The weights to la...

11 years ago | 4

| accepted

Crossvalidation of Neural Networks

I am not sure I understand your question but perhaps this will help. If you want to divide your data set into a design set an...

11 years ago | 0

NARX perform additional tests on network: from GUI to code

To apply the network to new data after training do the following: inputSeries2 = { ... your new input series ... }; [inp...

11 years ago | 1

Unable to load trained network, maybe versionconflict

Unfortunately the R2010a version of the toolbox cannot support neural networks created with R2010b or later versions of the tool...

11 years ago | 0

Neural Network - Multi Step Ahead Prediction

Here is an example that may help. A NARX network is trained on series inputs X and targets T, then the simulation is picked up ...

11 years ago | 2

How to forecast with Neural Network?

You can convert the NARXNET from open-loop to closed-loop form to predict ahead any number of timesteps for which you have data ...

12 years ago | 4

Different results by backpropagation algorithm using different MatLab versions (2008 and 2010)

First, I assume you are setting the random seed before running this code to try and reproduce exact results? Otherwise, every r...

12 years ago | 0

| accepted

Self Organizing Maps

The prototype pattern for each neuron is its weight vector. To see all the neurons' weight vectors: net.IW Each row rep...

12 years ago | 0

| accepted

how to use weights and thresholds from Neural Network toolbox

You need to first preprocess inputs, then post process outputs as follows: xx = [0:0.5:5] for i=1:length(net.inputs{1}.p...

12 years ago | 0

How do I display the connection weights after each epoch for a perceptron network using MATLAB code?

The function PLOTWB displays weights and biases graphically. plotwb(net) You can attach this function to any network obj...

12 years ago | 0

| accepted

Change preprocessing parameter in neural network

You can try this workaround: net = struct(net); net.inputs{1}.processParams{2}.ymin = 0.1; net = network(net);

12 years ago | 0

| accepted

Plant model

The function GENSIM converts a neural network once it has been trained in MATLAB into an equivalent Simulink block diagram.

12 years ago | 1

| accepted

Neural network performance function, weighted sse, and false alarms

Error weights can help you set which targets are most important to get correct, or equivalently, more costly to get wrong. Le...

12 years ago | 1

How to use NNTOOL

If the input has 300 hundred elements, and the hidden layer has 50 neurons, then each of the 300 neurons will have a connection ...

12 years ago | 0