39 total contributions since 2012

last-year student in automatics

Professional Interests: automatics, prognostics, diagnostics

Question

parameter estimation of predefined function

Hi everyone, I have a function defined as following: <</matlabcentral/answers/uploaded_files/20093/eq.PNG>> I'd would l...

6 years ago | 1 answer | 0

Answered

Cell to String Conversion

Hi, conversion cell to string is automatic. Eg: given a following cell X: {1,1} -> [1 2 3] {1,2} -> [aa bb cc] now ex...

Cell to String Conversion

Hi, conversion cell to string is automatic. Eg: given a following cell X: {1,1} -> [1 2 3] {1,2} -> [aa bb cc] now ex...

6 years ago | 0

Question

Data extraction from txt with special format

Hello, Given a following .txt file with 5 columns delimited by tab, I have difficulty at extracting these data in a matrix (d...

6 years ago | 1 answer | 0

Question

out of memory: array too long

Hello, I'd like to run function pdist of Matlab on an array whose the length is N*(N-1)/2 where N=340000. Matlab is out of memo...

6 years ago | 2 answers | 0

Question

Problem to add greek chars as ticklabel

Hello everyone, I try this command to add greek chars as yticklabel: sigma and µ as subscript of sigma, but it's not working. M...

6 years ago | 1 answer | 0

Question

offset between 2 axes when using plotyy

Hi everyone, I have a problem of plotyy display. In fullscreen mode, 2 axes are superimposed correctly, when I try to modify so...

6 years ago | 1 answer | 0

Question

submatrix extraction based on a specific criterion

Hi everybody, I would like to extract a list of submatrix from an inital matrix, like so: A= 1 2 3 2 1 2 ...

6 years ago | 1 answer | 0

Question

Extract number from data file name

Hi, I have a list of data file name below : Data_T2_31_4c_comb_1_9-10-11-12.mat Data_T2_31_4c_comb_2_9-10-11-13.mat .....

7 years ago | 1 answer | 1

Question

extract dataset from textfile to many variables

Hi everyone, I have a textfile with N rows of data (N is very big, 45e6 for example). I would like to divide these N rows into ...

7 years ago | 1 answer | 0

Question

How to use option "stream" of Kmeans

Hi everyone, I would like to know how to use "streams" in "option" parameter of Kmeans function in Matlab's Statistic toolbox. ...

7 years ago | 1 answer | 0

Answered

Multiple Kernel Fuzzy Clustering algorithm

Here is the code written by the author : http://imp.iis.sinica.edu.tw/IVCLab/research/Sean/mkfc/

Multiple Kernel Fuzzy Clustering algorithm

Here is the code written by the author : http://imp.iis.sinica.edu.tw/IVCLab/research/Sean/mkfc/

7 years ago | 0

Question

Principal Component Analysis and Clustering

Hello, I'm studying a problem of clustering. Given a data set of n features (columns), I use PCA to get only 2 first principal ...

8 years ago | 0 answers | 0

Question

How to identify PID parameter

Hi, I have an input data set and an output data set. I want to put a PID controller between the input and the output. I would l...

8 years ago | 1 answer | 0

Answered

ANFIS speed estimator of induction motor

1) Be sure in your 60x3 matrix, the 2 first columns are inputs and the third column is output of ANFIS 2) Without checking (o...

ANFIS speed estimator of induction motor

1) Be sure in your 60x3 matrix, the 2 first columns are inputs and the third column is output of ANFIS 2) Without checking (o...

8 years ago | 3

| accepted

Answered

fuzzy logic

2 solutions : 1) Solution with flood data available : use ANFIS GUI to build an Adaptive neural fuzzy interference system. Us...

fuzzy logic

2 solutions : 1) Solution with flood data available : use ANFIS GUI to build an Adaptive neural fuzzy interference system. Us...

8 years ago | 0

Answered

reading a value from a row of cell

use command cell2mat to convert an element, a row or a column from a cell to a double.

reading a value from a row of cell

use command cell2mat to convert an element, a row or a column from a cell to a double.

8 years ago | 0

| accepted

Answered

??? Undefined function or method 'Parsing' for input arguments of type 'char'.

I didn't get any error when compiling your code

??? Undefined function or method 'Parsing' for input arguments of type 'char'.

I didn't get any error when compiling your code

8 years ago | 0

Answered

Fuzzy Min Max Neural Network

Hi,If you want to create a fuzzy inference system, you can use the command "fuzzy" to call FIS Editor. Take a look at help of FI...

Fuzzy Min Max Neural Network

Hi,If you want to create a fuzzy inference system, you can use the command "fuzzy" to call FIS Editor. Take a look at help of FI...

8 years ago | 0

Answered

create best fit line

I suggest you to use "cftool". You have to possess an input and an output vector. The tool has a lot of fit function : gaussian,...

create best fit line

I suggest you to use "cftool". You have to possess an input and an output vector. The tool has a lot of fit function : gaussian,...

8 years ago | 0

Answered

simple question

Hi, I suggest one method below : Step 1) put all 1 and -1 in a vector, so according to your exemple, we will have : S1=[1...

simple question

Hi, I suggest one method below : Step 1) put all 1 and -1 in a vector, so according to your exemple, we will have : S1=[1...

8 years ago | 0

Answered

value of log(1000)

the value 6.9078 is ln(1000) . To compute log(1000), you can type : >> log10(1000) ans = 3 or >> log(1000)/lo...

value of log(1000)

the value 6.9078 is ln(1000) . To compute log(1000), you can type : >> log10(1000) ans = 3 or >> log(1000)/lo...

8 years ago | 1

| accepted

Question

copy a string from filename and detect a new file in the folder

Hi, I have a list of files like that : data_acc_13042012.mat data_acc_15042012.mat data_acc_25042012.mat data_a...

8 years ago | 1 answer | 0

Answered

Generating Training data Matrix for ANFIS in prediction application

Hi, I don't understant why you said the training matrix is for single-input system. In fact, the matrix you gave has 4 first co...

Generating Training data Matrix for ANFIS in prediction application

Hi, I don't understant why you said the training matrix is for single-input system. In fact, the matrix you gave has 4 first co...

8 years ago | 0

Answered

Help me in FUZZY

I suggest you to read tutorial of "ANFIS GUI". ANFIS means adaptive neural-fuzzy inference system that is the combination betwee...

Help me in FUZZY

I suggest you to read tutorial of "ANFIS GUI". ANFIS means adaptive neural-fuzzy inference system that is the combination betwee...

8 years ago | 0

| accepted

Answered

ANFIS Editor GUI Matrix dimensions must agree

Could you show us your matrix "training data" ? Are they time-series data? Normaly it has to be a matrix with 3 columns x n li...

ANFIS Editor GUI Matrix dimensions must agree

Could you show us your matrix "training data" ? Are they time-series data? Normaly it has to be a matrix with 3 columns x n li...

8 years ago | 0

Answered

Help me in FUZZY

Did you read the tutorial of Fuzzy toolbox ? Begin doing an example in the tutorial, you will understand how to generate the rul...

Help me in FUZZY

Did you read the tutorial of Fuzzy toolbox ? Begin doing an example in the tutorial, you will understand how to generate the rul...

8 years ago | 0

Answered

How to change the parameters for data learning algorithm in ANFSI toolbox

I don't think we can change the number of hidden layers because each hidden layer plays a specific role and so they are fixed.

How to change the parameters for data learning algorithm in ANFSI toolbox

I don't think we can change the number of hidden layers because each hidden layer plays a specific role and so they are fixed.

8 years ago | 0

Answered

Please help me to solve a problem in modeling ANFIS

Hi, I advice you to normalize your data before training your ANFIS. the purpose is to limit all type of your data smaller tha...

Please help me to solve a problem in modeling ANFIS

Hi, I advice you to normalize your data before training your ANFIS. the purpose is to limit all type of your data smaller tha...

8 years ago | 0

Answered

Prevent ANFIS from negative or unrealistic outputs

Firstly, I'm sorry about not replying soon because this forum has not sent me notification of your comment. Secondly, your lin...

Prevent ANFIS from negative or unrealistic outputs

Firstly, I'm sorry about not replying soon because this forum has not sent me notification of your comment. Secondly, your lin...

8 years ago | 0

Question

eliminate noise data

Hi, In my red curve (see the link below), I circled the points not desired. I would like to know if there is a code to eliminat...

8 years ago | 0 answers | 0