Question

Does the input data for neural network for classification should be normalized?

Hi everyone, i tried to create neural network for classification using nprtool but i still can't reach a good accuracy however i...

etwa 5 Jahre ago | 1 answer | 0

Question

Neural network work better with small dataset than largest one ?

Hi,i create neural network using nprtool at the begining i used input matrix with 9*981 but i got accuracy in the confusion matr...

etwa 5 Jahre ago | 3 answers | 0

Question

How to organize the input and target samples for neural network ?

Hi, i was preparing the input an target matrix of my dataset that i will used to create neural network using nprtool and i want ...

etwa 5 Jahre ago | 1 answer | 0

Question

How to improve the accuracy of confusion matrix of neural network?

Hi, i used nprtool to create neural network for classification and i have dataset with input matrix 9*981 and target matrix 2*98...

etwa 5 Jahre ago | 1 answer | 0

Question

Why the performance of neural network is bad with larger input?

Hi,i create neural network for classification using nnstart.First i used an input with 9*222 matrix and i got this confusion mat...

etwa 5 Jahre ago | 0 answers | 0

Question

How to choose the number of neurons in the hidden layer of neural network?

Hi, i'm using the neural network for classification using nnstart and i have dataset (input) with a size of 9*981 and i want to ...

etwa 5 Jahre ago | 1 answer | 0

Question

How to save the network crated as .mat file ?

I created a neural network using nnstart and i want to know to save it as.mat so i can directly open the network in matlab softw...

etwa 5 Jahre ago | 1 answer | 0

Question

What 's the difference between nntool and nnstart ?

I wanted to use the neural network for classification and then i found those who use nntool and other uses nnstart and i'm reall...

etwa 5 Jahre ago | 1 answer | 0

Question

How can i do if i want to test the network created with new input ?

Hi , i used the neural Network start (nnstart) for pattern recognition and i got this script % Solve a Pattern Recognition...

etwa 5 Jahre ago | 1 answer | 0

Question

Neural networks for Classification using NNTOOL

Hi everyone , I create a neural networks for Classification using NNTOOL. I want to know how can i call it if i want to use it ...

etwa 5 Jahre ago | 0 answers | 0

Question

How to write a condition ?

Hi, i have to write this condition in my code but i don't know how moyenne <= '(-inf-6.95]'

etwa 5 Jahre ago | 2 answers | 0

Question

ERROR Matrix dimensions must agree.

I tried to write this Decision making structure for i=1:n if Ea >= '(96.35-inf)' fprintf('normal\n' ); ...

etwa 5 Jahre ago | 1 answer | 0

Question

Error "Unbalanced or unexpected parenthesis or bracket."

Hi, i wanted to minimize my code and i tried this clc; clear all; close all; load('C:\Users\del.dell-PC\pfe\base...

etwa 5 Jahre ago | 1 answer | 0

Question

how to get the list of the rules extracted by the algorithm of Antminer+

Hi, i use the algorithm of Antminer+ and when i run the code i don't get the list of the rules extracted by the algorithm in the...

mehr als 5 Jahre ago | 0 answers | 0

Question

How to create randomfiles for classification ?

I'm trying to run the code of Antminer in Matlab and i found that i should create randomfiles and they define it as : "randomfil...

mehr als 5 Jahre ago | 0 answers | 0

Question

ERROR : The class RandStream has no Constant property or Static method named 'setDefaultStream'.

I was trying to run the code of Ant minner but i got error message " The class RandStream has no Constant property or Static me...

mehr als 5 Jahre ago | 1 answer | 0

Question

How to load two ARFF file in Matlab?

I want to load ARFF file to matlab and i find this function function wekaOBJ = loadARFF(filename) import ...

mehr als 5 Jahre ago | 0 answers | 0

Question

How can I load . edf file to matlab?

Hi, i need to load edf file of EEG signal and i try this code: [header, recorddata] = edfread('MANAII_MAISSA.edf'); ...

mehr als 5 Jahre ago | 1 answer | 0

Question

Implementation of The AntMiner+ in Matlab

I download the code of AntMiner+ from www.antminerplus.com but when i tried it in Matlab i got this error message : Undefined...

mehr als 5 Jahre ago | 0 answers | 0

Question

Error using optmize (line 9) Data length must be larger than 195 samples.

Hi, i try to optimize my Matlab code so i have written this code clc; clear all; close all; load('C:\Users\del....

mehr als 5 Jahre ago | 0 answers | 0

Question

How to optimize my Matlab code ?

Hi , i have written this Matlab code but i realize that's a little long so i want to optimize it but i don't know how . Can any...

mehr als 5 Jahre ago | 2 answers | 0

Question

How to choose the correct passband frequency and stopband frequency of a low pass Equiriple Fir filter?

I design a low pass Equiriple Fir filter with 3 dB of ripple in the pass-band from 0 to 64 Hz and at least 60 dB of attenuation ...

mehr als 5 Jahre ago | 1 answer | 0

Question

How to extract the energy ratio from wavelet coefficient?

my PHD is about of epileptic seizure detection using discret wavelet transform.So to decompose the EEG signal into its sub-bands...

mehr als 5 Jahre ago | 0 answers | 0

Question

How to use the std function for signal ????

I have to extract Standard deviantion of multi channel EEG and I dont know how to use the std function can anyone help me pleas...

mehr als 5 Jahre ago | 1 answer | 0

Question

Error : Expression or statement is incorrect--possibly unbalanced (, {, or [.

i have a multichannel EEG and i try to filter all the channel but i got this error " Expression or statement is incorrect--possi...

mehr als 5 Jahre ago | 0 answers | 0

Question

how to extract Mean, variance, standard deviation, frequency, maximum amplitude, minimum amplitude and energy from an EEG signal ???

please i need to konw how to extract Mean, variance, standard deviation, frequency, maximum amplitude, minimum amplitude and en...

mehr als 5 Jahre ago | 2 answers | 0

Question

the coefficients detail and approximation of discret wavelet as input for SVM classifier ????

I'm using SVM classifier and i don't know how to use the coefficients detail and approximation of discret wavelet as input for t...

mehr als 5 Jahre ago | 1 answer | 0

Question

how to extract the energy ratio of details and approximation coefficient ????

hello i use a decomposition at level 4 of EEG signal using db4 and i need to extract the energy ratio of details and approximati...

mehr als 5 Jahre ago | 0 answers | 0

Question

Error in fir1 (line 115) Wind = chkwindow(Wind,L);

i'm trying to use low pass FIR filter for EEG siganl that i have downloded from http://physionet.org/physiobank/database/chbmi...

mehr als 5 Jahre ago | 1 answer | 0