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Does the nprtool normalize inputs for you, or do you have to normalize the inputs before importing them?
Typically, input and target data need to be normalized. To check for normalization calculate the summary statistics minma...

14 years ago | 0

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how to use nntool
No. Use in(:,1:3) for input.

14 years ago | 0

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Neural Network Clustering
This is supervised clustering since you know what vectors belong to each cluster. It falls into the category of classification a...

14 years ago | 0

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Problem with Neural Networks
1. One hidden layer is sufficient 2. Find the smallest suitable no. of hidden nodes by trial and error 3. Use fitnet,tansi...

14 years ago | 0

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Answered
try to simulate neural network in Matlab by myself
I used fitnet(2) with all defaults except for rng(0) net.trainparam.goal = MSE00/100; where MSE00 is the mse for the c...

14 years ago | 1

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Answered
try to simulate neural network in Matlab by myself
What was the range of x for training? How many input values? What random number seed? What training algorithm? What stopping...

14 years ago | 1

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How to apply Back propagation for 3 class problem?
Newff is obsolete. Switch to fitnet for regression and curve fitting and patternnet for pattern recognition and classification...

14 years ago | 0

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Answered
Training and group matrices for classifying data
In order to use CLASSIFY, each class should have enough training points, Ntrni (i=1:c), to obtain accurate estimates of the mean...

14 years ago | 0

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How can I deal up with manual data division and multiple sequences of time series data?
Change your first input help divideind doc divideind

14 years ago | 0

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Answered
Training and group matrices for classifying data
For the quadratic classifier, CLASSIFY requires full rank covariance matrices for each group. However, for the linear classifier...

14 years ago | 0

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Newbie question on how to change default settings for feedforwardnet
1. Your example only has 1 hidden layer. The other layer is the output layer. I sincerely doubt that you will ever have to u...

14 years ago | 0

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Answered
MPC for neural net predicted indirect control
Modify your target data so that it is exactly what you want your output to be. Hope this helps. Greg

14 years ago | 0

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Smooth output Neural Network
Clarification: The input is stairstep shaped but the target is linear. If so, there is no way to model this with a static ...

14 years ago | 0

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Question

How to recover an unfinished answer?
How can I recover an unfinished answer that dissappeared after an errant keystroke? I think it was the delete or backspace ke...

14 years ago | 1 answer | 2

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Answered
How can I get the training output vector (a2) from newrb?
Apparently, there is a BUG in newrb. In previous versions [ net tr ] = newrb(Xtrain,Ttrain); would provide training histo...

14 years ago | 0

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Answered
cell array converts to matrix, how?
The expressions converting a "row cell of cells" to the corresponding "row vector" are B = [ A{ : } ] C = [ B{ : } ] Th...

14 years ago | 0

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Define Multilayer perceptron with 28 neuron in hidden layer
Try to run the classification examples and demos in the documentation. Use the commands help and doc to better understand all of...

14 years ago | 0

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Question

When should I post questions to Answers instead of the Newsgroup ?
It's not clear to me. I always post questions to the Newsgroup but comments and answers to both.

14 years ago | 1 answer | 0

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New Toolbox RNA: access the data divided by net.divide function
%Apparently, they can only be recovered AFTER training via the structure tr [x,t] = simplefit_dataset; rng(4151941) ...

14 years ago | 0

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Answered
How to rename a network object from command prompt
net1 = net;

14 years ago | 0

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seeking advice with rounding NN output and vec2ind
For classification of c mutually exclusive classes, use a target matrix consisting of the columns of the c-dimensional unit ma...

14 years ago | 0

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cross validation in neural network
What do you mean by "model selection" ... making a choice between newrb and fitnet(regression) or patternnet(classification)? Or...

14 years ago | 0

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Answered
deleting all the empty rows
I don't think MATLAB allows empty rows or columns >> A = [ 1 2 3; [] [] [] ; 7 8 9 ] A = 1 2 3 7 ...

14 years ago | 1

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the command "clc" and "clear all" does not work on a script in the editor.
They are not defined to work in the editor. They work on the command line and when the corresponding script or function is ex...

14 years ago | 0

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One r2 for each beta column/predictor
With n points and p predictors you get p+1 betas (b0,b1,...bp) and a R^2 quantifying prformance For any subset of predictor...

14 years ago | 0

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is it possible to train a Dynamic/Recurrent neural network with Ensemble Method?
The documentation in help fitensemble doc fitensemble lists the methods of regression and classification for which thi...

14 years ago | 0

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Answered
Why the sums of cos(x) over 2*pi range not zero?
T = fundamental period N = number of samples dt = T/N sampling interval f0 = 1/T fundamental frequency (n-1)*f0 harm...

14 years ago | 0

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Answered
How to present the result of neural network
>Are there any standard method to present the results of a neural network after training? There are several common methods of...

14 years ago | 2

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Answered
How to create a dataset as input to a neural network for a character recognition system?
>How to create a dataset as input to a neural network for a character >recognition system? >Asked by Monisha on 4 Jul 2...

14 years ago | 1

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Answered
how to efficiently simulate a sine function with neural networks toolbox?
Consider: 1. You can approximate a sine function over P periods using at least 8 evenly spaced points per period. However, 16...

14 years ago | 0

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