Beantwortet
question is how to connect these three nets by serial once and by parallel once.
Connecting them in series makes no sense. y = (net1(x)+net2(x)+net3(x))/3 Hope this helps. *Thank you for formally acc...

mehr als 11 Jahre vor | 0

| akzeptiert

Beantwortet
Which one is more important? MSE or input-error correlation?
The objective is to minimize MSE. A high input/error Xcorr indicates that the MSE can be lowered by modifying the design. ...

mehr als 11 Jahre vor | 0

| akzeptiert

Beantwortet
problem with time shift between target and simulation output using neural network
load data.mat whos % Name Size Bytes Class % data 43465x4 1390880 double 1. Life is MUCH...

mehr als 11 Jahre vor | 2

Beantwortet
Data Structure for Neural Network
1. If you plug numbers into your expressions you will that find one of them is an illegal syntax. 2. I don't understand the d...

mehr als 11 Jahre vor | 0

Beantwortet
ANN Tool in MATLAB
If there are c classes or categories and N examples of I-dimensional inputs. [ I N ] = size(input) [ c N ] = size(target)...

mehr als 11 Jahre vor | 0

| akzeptiert

Beantwortet
problem with time shift between target and simulation output using neural network
There is no way we can help without seeing your code and example data. Applying it to a MATLAB example data set would be most...

mehr als 11 Jahre vor | 2

Beantwortet
Can anyone help me with a detailed workflow for using NN toolbox for predicting day-ahead solar irradiance from historical hourly time series?
It depends on whether you want to use output feedback or not. Fot no feedback help timedelaynet %prediction depends on curr...

mehr als 11 Jahre vor | 0

| akzeptiert

Beantwortet
Bounded neural network output
clear all, clc H = 10; net = fitnet(H); b1 = net.b{1} % zeros(10,1) IW = net.IW{1,1} % Empty matrix: 10-by-0 b2 = ne...

mehr als 11 Jahre vor | 1

| akzeptiert

Beantwortet
matlab code for stock price prediction using artificial neural network or hidden markov model using nueral network tool
Search the NEWSGROUP and ANSWERS for previous posts on the topic. For example if the search words neural finance prediction ...

mehr als 11 Jahre vor | 1

| akzeptiert

Beantwortet
don't use random train of som network
If you initialize the random number generator to the same state, the results will be duplicated. help rng doc rng Hop...

mehr als 11 Jahre vor | 0

| akzeptiert

Beantwortet
help in neural network
The optimal value for H is usually obtained by trial and error. For each candidate value for H design Ntrials nets with differen...

mehr als 11 Jahre vor | 1

| akzeptiert

Beantwortet
What is the significance of the tapped delay lines in dynamic neural networks?
ID >= 0 causes the output to depend on current and past inputs FD > 0 causes the output to depend on past outputs Signif...

mehr als 11 Jahre vor | 1

| akzeptiert

Beantwortet
Is it possible truncate a neural network weights?
Set the display format at the beginning of the program. It will not affect the accuracy of internal function calculations. ...

mehr als 11 Jahre vor | 1

| akzeptiert

Beantwortet
How can I use Six different target matrices and One input matrix on Neural Network?
[ I N ] = size(input)% N I-dimensional input vectors [c N ] = size(target)% corresponding N c-dimensional {0,1} unit targ...

mehr als 11 Jahre vor | 0

Beantwortet
Why do i obtain good results but poor input error cross correlation plot?
If the input/error cross-correlation is large, then a different set of weights could use that correlation to further improve per...

mehr als 11 Jahre vor | 0

| akzeptiert

Beantwortet
how to create a neural network with 1 layer only (no hidden layers)?
net = fitnet([]); % For regression net = patternnet([]); % For classification Hope this helps. *Thank you for f...

mehr als 11 Jahre vor | 1

| akzeptiert

Beantwortet
5 fold cross validation for ANN in matlab
Search NEWSGOUP and ANSWERS with greg crossvalidation greg cross-validation greg cross validation Hope this helps. ...

mehr als 11 Jahre vor | 0

| akzeptiert

Beantwortet
Help in Neural network Coding?
[ I N ] = size(input) % I = 10 [ O N ] = size(target) % O = 8 % Find h by trial and error to minimize MSE n...

mehr als 11 Jahre vor | 2

| akzeptiert

Beantwortet
Why is my neural network overfitting?
The best approach for regression is to start with FITNET using as many defaults as possible. The default I-H-O node topology con...

mehr als 11 Jahre vor | 2

| akzeptiert

Beantwortet
after training networ not have a good results
The new and original data should be consistent with samples from the same probability distribution. 1. How much data do you h...

mehr als 11 Jahre vor | 1

| akzeptiert

Beantwortet
What does mean MU parameter in NNtool MAtlab?
doc trainlm Hope this helps. *Thank you for formally accepting my answer.* Greg

mehr als 11 Jahre vor | 1

| akzeptiert

Beantwortet
Confusion matrix results interpretation
You can compare predictedclassindices = vec2ind(output) with trueclassindices = vec2ind(target) For examples sear...

mehr als 11 Jahre vor | 1

| akzeptiert

Beantwortet
Neural Network Normalization code
I don't understand. What is the purpose of this post? If it is about normalization, the default for both input and target ...

mehr als 11 Jahre vor | 1

| akzeptiert

Beantwortet
20 Days ahead forecasts using NAR
Try FD = 1:20; net = narnet(FD,H=10); net.divideFcn = 'divideblock'; % Never use 'dividerand' for timeseries. For d...

mehr als 11 Jahre vor | 1

| akzeptiert

Beantwortet
Problem of neural network prediction
Insufficient info. Which net? Size of inputs and targets? Size of ID and FD? code?

mehr als 11 Jahre vor | 0

Beantwortet
Why is my neural network overfitting?
Do not use feedforwardnet for forcasting the future. Use a timeseries net with net.divideFcn = 'divideblock'; Use nncorr t...

mehr als 11 Jahre vor | 2

Beantwortet
Neural Network Fitnet Output Is Not Realistic
% x = all_ecmwf; % t = precip_shaped; % % [ I N ] = size( x ) % [ 34 8353 ] % [ O N ] = size( t ) % [ 1 8353 ] %% Analyze...

mehr als 11 Jahre vor | 2

| akzeptiert

Beantwortet
How to predict next value using time series?
1. Override 'dividerand' to obtain constant intervals between points. For example net.divideFcn = 'divideblock' 2. O...

mehr als 11 Jahre vor | 0

| akzeptiert

Beantwortet
How to train NN by keeping all the weights fixed except one of the weights ?
You would have to write your own code to have separate learning rates for different subsets of weights. In lieu of that you c...

fast 12 Jahre vor | 2

| akzeptiert

Beantwortet
scale range for neural network
I don't have any specific code. I would experiment with the following. 1. Worry about the gating later. 2. First, determin...

fast 12 Jahre vor | 0

| akzeptiert