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Multi layer perceptron implementation using matlab
You can start by using the GUI as explained in the documentation. That approach can yield a commandline program that can be s...

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I want to train multiple feedforward neural network simultaneously with various combination of inputs and after that I want to add their individual output....Is it poosible in matlab...then please hel me ....
A neural net ensemble is created by combining the outputs of multiple nets. Although you can combine posterior probability estim...

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In the Neural Network Toolbox, how can I set different trainParam values for each layer of the network?
From examples of regression using fitnet([ 5 5 ] ) and classification using patternnet([5 5]) I've deduced the following: 1....

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How could I create a customised performance function for a neural network ?
I have never had reliable results with a MLP when the training priors differed by more than a factor of 2. If you cannot over...

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change input of tansig with scaler
What you want to do is totally unnecessary. What is your reason for wanting to do this? tanh = tansig. The weight initiali...

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How to use the weight and bias matrix out side the nntool?
You forgot the default normalization of input and target to [-1,1] (mapminmax). Either override that default or take it into ...

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how to find cross correlation of two column vector
The cross-correlation function is not a function of time. It is a function of time difference. In other words LAG. I don't have ...

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NN input creation for Document Classification MATLAB
The input matrix has N examples of I-dimensional input vectors [ I N ] = size(input) The target matrix has the N correspon...

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Error using newrb and newgrnn
help grnn doc grnn explain the required type and orientation of the input and target data whos shows both the type a...

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Neural Network - Pattern recognition
I have posted two answers to this question in the NEWSGROUP: http://www.mathworks.com/matlabcentral/newsreader/view_thread/32...

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Neural Network Dynamic Time Series Analysis (NARX) with Multiple Series
I haven't looked in detail. However, I can't think of any reason why a narxnet cannot have multiple inputs and outputs. The...

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How could I create a customised performance function for a neural network ?
I have written about the unbalanced classification problem many times. Try searching comp.ai.neural-nets and the CSSM newgro...

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Time complexity of neural network
It depends on the network efficiency settings that control the speed/storage tradeoff For example, the current algorithms for...

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Pregunta

How to include plots in a post?
What commands can be used to include plots in a post? TIA Greg

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Neural network performance evaluation????
Thank you for formally accepting my answer!

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Which Network can I use for cancer diagnosis?
Which Network can I use for cancer diagnosis? Asked by Shraboni Mondal on 29 Dec 2012 at 15:30 % Hello,I am new in MATLAB...

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How to test data on neural network toolbox after training it.
Not enough information. Post your code. How many classes? c = ? How many input vectors per class? What version of NNTB...

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how to plot MSE for train and test?
close all, clear all, clc, plt=0; [x,t] = simplefit_dataset; net = fitnet(10); rng(0) [net tr ] = train(net, x, t); ...

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how can I solve the following equation ([K]-t[G])w=0
help eig E = eig(A,B) is a vector containing the generalized eigenvalues of square matrices A and B. [V,D]...

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[Time Series Tool] [ Learning Alghoritm ]
Why don't you use all of the defaults unless you have a specific reason for not doing so. Once you get a successful design th...

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multivariate regression with many dummy variables
It should work. You will have to post more info, e.g., relevant code and error messages. How, exactly, are your dummies c...

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Is there any command to solve modified stepwise regression in Matlab?
STEPWISEFIT has quite a few options. help stepwisefit doc stepwisefit What, exactly do you mean by "modified"?? Hope...

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Neural network performance evaluation????
The first example is the correct one because it containss 100 random weight initializations. Therefore each net is a valid indep...

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Matlab sometimes produce a covariance matrix error with non-postive semidefinite?
With knowledge of the physical/mathematical problem you can probably attach a significant meaning to the existence of small nega...

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How to find the threshold of a matrix?
rng(0) x = randn(1,32); X = fft(x); absX = abs(X); M = max(absX); absX(absX < M/100) = 0; z = ifft(absX.*exp(...

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problem in using neural network toolbox
Documentation Excerpts: help trainlm trainlm is often the fastest backpropagation algorithm in the toolbox, and is high...

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need help in undestanding neural network codes
close all, clear all, clc; p = [0 1 2 3 4 5 6 7 8]; % 9 one-dimensional inputs t = [0 0.84 0.91 0.14 -0.77 -0.96 -0.28 ...

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plot the performance of a neural network
Replace 'traingd'] with 'traingd') I only get the training curve. Are you sure you are using that obsolete version of newf...

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how can I do classification with Neural Network ?
Your major mistakes were 1. Overriding the newff defaults maxepochs = 1000 and max_fail = 6 2. Not overriding the data div...

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how can I do classification with Neural Network ?
close all, clear all, clc tic [ x , t ] = iris_dataset; whos [ I N ] = size(x) % [ 4 150 ] [ O N ] = size(t) % [ ...

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