# Zoltán Csáti

### Université libre de Bruxelles

Followers: 0 Following: 0

Professional Interests: differential equations, fluid mechanics, extended finite element method, MATLAB

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**Feeds**

What frustrates you about MATLAB? #2

Before I started using Python this year, I was a happy MATLAB user. I still like MATLAB because I am efficient in it, but here a...

4 years ago | 10

Question

MATLAB returns empty string from C-MEX file

I have an external C function which takes a double pointer and returns a char. The problem is that when I interface that functio...

5 years ago | 1 answer | 0

### 1

answer2D Voronoi Diagram with Periodic Boundary Conditions

If you want to create a periodic 2D Voronoi tessellation, the main steps are the following: 1. Create the seeds on the orig...

5 years ago | 1

Question

Smallest non-zero eigenvalue for a generalized eigenvalue problem

I have two matrices, *A* and *B*, for which I want to solve the generalized eigenvalue problem *Ax*=lambda* *Bx*. In fact I only...

6 years ago | 1 answer | 0

### 1

answerQuestion

Fast ismember for object arrays

I have an object oriented code which calls the _ismember_ function many times. I saw forum discussions recommending the unducume...

6 years ago | 0 answers | 0

### 0

answersQuestion

Progress bar for file download

I would like to know how much of a file is downloaded when using *urlwrite*. It gives indication to the user about the process.

6 years ago | 0 answers | 0

### 0

answersQuestion

Graphical issues when opening an OpenGL program from MATLAB

I use the finite element visualizer *GLVis*, based on OpenGL. When I run it from the terminal, it works as it should. However, w...

6 years ago | 0 answers | 0

### 0

answersQuestion

parfor results core dump

MATLAB R2015b crashes on 64 bit Linux. I managed to track the cause of failure to this chunk of code values = cell(1, nElem...

6 years ago | 0 answers | 0

### 0

answersQuestion

Observe graphics object added to the axes

I have an axes object which contains several child objects (lines, patches, etc.). I have a function which sets the callback fun...

6 years ago | 2 answers | 1

### 2

answersQuestion

Should I indicate no input arguments to a function?

Suppose I have a function which requires no inputs. Should I indicate it with parentheses () or leave it naked? Both cases work,...

7 years ago | 1 answer | 0

### 1

answerQuestion

Why does the function 'details' show more than 'disp' for objects?

According to the documentation, the 'details' function provides more information when the input is an object than 'disp'. Howeve...

7 years ago | 1 answer | 1

### 1

answerQuestion

Test suite for regular expressions

Where could I find a test package for regular expressions in MATLAB? There are many in different languages, but the MATLAB synta...

7 years ago | 1 answer | 2

### 1

answerQuestion

Where is MATLAB's function browser in the Editor?

In older MATLAB releases (e.g. 2011a), there was an icon in the Editor which popped up the functions seen in an m-file so that I...

8 years ago | 1 answer | 0

### 1

answerQuestion

Return output from the main function after a specific callback

I am building a GUI programatically. I created a *_main_* function which sets the GUI objects and their callback definitions. Af...

8 years ago | 1 answer | 0

### 1

answerQuestion

Dependent property is shown in the variable editor even before its get method

I have a class with a dependent property. But even before I invoke its get method, its value is shown in the Variable Editor. Ho...

8 years ago | 1 answer | 0

### 1

answerHow to assign pointers to an object's property?

After thorough discussions, the answer can be found on <http://stackoverflow.com/questions/33543906/how-to-assign-pointers-to-an...

8 years ago | 1

| accepted

Question

How to assign pointers to an object's property?

I want to create a finite element object oriented program. I have a class *Node*. Since the nodes in a finite element mesh (repr...

8 years ago | 1 answer | 1

### 1

answerQuestion

How to call subclass constructor

I have a class *mesh1D*. I want to create an another class, called *crack* to be the subclass of *mesh1D*. My subclass has one (...

8 years ago | 1 answer | 0

### 1

answerQuestion

How to efficiently update an image if one matrix element is changed

I have a matrix in which I change only one element in every iteration of a loop. I want to display that matrix as an image using...

8 years ago | 1 answer | 0

### 1

answerQuestion

File path containing %

I would like to get the path for directories containing % (like %MATLAB_ROOT%, %APPDATA%, etc.) in Windows. However, functions l...

9 years ago | 1 answer | 0

### 1

answerQuestion

Can I use Visual Studio 2013 with MATLAB R2011a unofficially?

Has anyone experience if one can use the Microsoft Visual Studio 2013 compiler with MATLAB R2011a using <http://www.mathworks.co...

9 years ago | 1 answer | 0

### 1

answerrand matrix for FM

I recommend you to generate the matrix of the required size and then modify one element of it so that the sum holds. E.g. A ...

9 years ago | 0

How can i solve these systems of ODE

Well, you have to solve the system of BVPs several times for each different values of Gr, Pr and Sc. Then you can plot the data ...

9 years ago | 0

how to do 1d vector deletion?

% First, delete from index 20000 to 50000 v = v(1:19999); % Delete the index containing the value 132 v = v(v~=132);

9 years ago | 0

What is the benefit of using a function handle?

The two statements are not the same. The first one defines a function while the second one is an equality. The two identical for...

9 years ago | 0

having trouble to insert text in GUI table

It is because you supplied a string. Convert it to number. edit1 = str2num(edit1); edit1 = ceil(edit1); ...

9 years ago | 0

How can i solve these systems of ODE

These are typical boundary layer equations. There are several strategies to tackle it. The two main solution methods: truncate i...

9 years ago | 0

| accepted

open external programs via matlab

If you want to open an external file outside MATLAB, use the <http://www.mathworks.com/help/matlab/matlab_env/run-external-comma...

9 years ago | 3

How to call matlab built-in common functions, such as open, save as, in GUI?

If you want to close the figure, do not click on Exit, but on Close. If you want to save something inside the GUI, use <http://...

9 years ago | 0

How to avoid a vertical line at discontinuity point?

I advise you to handle the subintervals distinctly and plot them independently from each other. In that case no vertical (more p...

9 years ago | 0