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Dong-Gyu Jang


Gwangju Institute of Science and Technology

Actif depuis 2011

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I'm a graduate student at the GIST in Korea.

I'm really enjoy to use the matlab for data analysis.

I'm willing to learn a lots of useful skills from matlab
users in the world.

Let's roll!

Professional Interests: Data analysis

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Réponse apportée
How do I extract only file name from full file name?
Oh..I immediately get the answer:) The function, fileparts, can be used for this process:) file = 'H:\user4\matlab\myfil...

presque 9 ans il y a | 0

| A accepté

Question


How do I extract only file name from full file name?
Hello. Let's say there is a string "5500ps1.png" I would like to extract name until comma so outcome from this extraction ...

presque 9 ans il y a | 1 réponse | 0

1

réponse

A soumis


Function to unwrap phase having 2*pi jumps just after phase extraction from interferogram
Phase unwrapping with implementing TV (Total Variation) minimization algorithm.

presque 9 ans il y a | 4 téléchargements |

Question


How to stop further execution of M-script by using command?
Hello. I'm trying to use 'questdlg' to shows question dialog with several buttons. My aim is that when I click 'stop' button ...

environ 9 ans il y a | 5 réponses | 2

5

réponses

Question


How can I make called my function stay in the memory so it can be efficiently run in loop?
Hello. Let's say that I have a code which including for loop. In the loop, certain function is called at every round. How can...

plus de 9 ans il y a | 1 réponse | 0

1

réponse

A soumis


Matlab function for extraction of phase from interferogram
phase of the interferogram is extracted.

plus de 9 ans il y a | 3 téléchargements |

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Question


How can I break line in comment for HTML publication?
Hello. For example %% Test section % I want to have line break % now. But obviously the result is not what I wa...

environ 10 ans il y a | 3 réponses | 0

3

réponses

Question


Is there any Matlab function to find peak width?
Hello. For phase shift analysis in interferometry and spectral analysis, sometimes automatic finding of peak width of the dat...

environ 10 ans il y a | 1 réponse | 0

1

réponse

Question


I wanna define function which has flexible number of argument.
Hello and happy new year! Now I'm considering to define function which has flexible arguments. For example, let's have fun...

environ 10 ans il y a | 1 réponse | 0

1

réponse

Réponse apportée
Simple gui programing with pop-up manu.
You guys I finally dealt with the problem. The write down the code again in changing the tag name by adding number 1, for exa...

presque 11 ans il y a | 0

| A accepté

Question


Simple gui programing with pop-up manu.
Hello. I have the following simple GUI design. The upper text box (which tag is input) is where the input number is entered w...

presque 11 ans il y a | 2 réponses | 0

2

réponses

Réponse apportée
Why does spectral phase from the fft of gaussian pulse shows sawteeth?
I finally got right answer! Physically, gaussian pulse is located around t = 0 thus, symmetry around origin is fullfiled. ...

plus de 12 ans il y a | 1

Question


Hello. I have a question about how to get spectral phase as exact as possible by using fft?
Hello. I'm interested in spectral analysis on laser pulse. In order to get shortest pulse as possible, not only spectral ampl...

plus de 12 ans il y a | 1 réponse | 0

0

réponse

Question


Why does spectral phase from the fft of gaussian pulse shows sawteeth?
Hello. I'm interested in spectral analysis on laser pulse. I made a test code in which gaussian pulse is analyzed in FFT. The...

plus de 12 ans il y a | 2 réponses | 0

2

réponses

Question


How can I save plot graph by command, not clicking save icon?
Hello. Recent days, I have saved all of the graphs generated by 'plot' command to the JPG file for easy future investigations...

presque 14 ans il y a | 1 réponse | 0

1

réponse

Question


How can I automatically save the coefficients of fit functions?
Hello. Since I'm a graduate student under phsics laboratory, I have used matlab to fit the experimental datas with the appropri...

presque 14 ans il y a | 2 réponses | 0

2

réponses