Answered
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...

13 years ago | 0

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Answered
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...

13 years ago | 0

Answered
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....

13 years ago | 1

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Answered
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...

13 years ago | 0

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Answered
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...

13 years ago | 0

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Answered
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 ...

13 years ago | 0

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Answered
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 ...

13 years ago | 0

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Answered
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...

13 years ago | 0

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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...

13 years ago | 0

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

13 years ago | 0

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Answered
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...

13 years ago | 0

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Answered
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...

13 years ago | 0

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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...

13 years ago | 0

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Question

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

13 years ago | 1 answer | 0

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answer

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

13 years ago | 0

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Answered
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...

13 years ago | 1

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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...

13 years ago | 0

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Answered
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); ...

13 years ago | 0

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Answered
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]...

13 years ago | 0

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Answered
[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...

13 years ago | 0

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Answered
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...

13 years ago | 0

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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...

13 years ago | 0

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Answered
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...

13 years ago | 0

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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...

13 years ago | 0

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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(...

13 years ago | 0

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

13 years ago | 0

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Answered
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 ...

13 years ago | 0

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Answered
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...

13 years ago | 0

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Answered
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...

13 years ago | 0

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Answered
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) % [ ...

13 years ago | 0