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Rik


Last seen: Today Active since 2017

E-mails with feedback/questions about FEX submissions are welcomed. In general I will post e-mails about Answers on the related page, unless there is good cause not to do so.

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Answered
APP Designer code convert to CPP code
Do you need to generate the C++ code, or is it also fine to end up a stand-alone executable? As the message indicates, UIFigure...

3 giorni ago | 0

Answered
Difference between "||" and "&&" in my loop
The or operator means and/or, just like it does in mathematics. You can use the xor function (although no operator or short-circ...

3 giorni ago | 0

Answered
How to reduce the file size of a saved histogram figure
You have two options that I'm aware of: # Change the underlying data so you reproduce the same bins with fewer data points. ...

5 giorni ago | 1

Answered
Computational cost of the commanda 'path'
Once you are at the stage where the profiler makes any sense at all, you should question why you are still using scripts instead...

5 giorni ago | 0

| accepted

Answered
Change exp from number to e
Your own suggestion actually works (although it requires a call to simplify): syms c1 c2 y(x) f(x) e y(x) = (e^2/(e^2+1))*e^(-...

6 giorni ago | 0

| accepted

Answered
confusion matrix with string greek letters like alpha and beta
If you use the actual greek letters, that should work (as long as the function supports all implemented characters): text(1,1,c...

9 giorni ago | 0

Submitted


ifversion
Determine if the current version satisfies a version restriction

9 giorni ago | 2 downloads |

Answered
reading files that contain changing parts and parts that need to be ignored
You need to use dir to find the actual file name matching some pattern. Then you can provide the function with the real file nam...

9 giorni ago | 0

| accepted

Answered
negative positive sign matrix B need to follow matrix A
The sign function seems an obvious choice: A=[ -1 3 -2 4 6]; B=[2.1 2.2 4.2 4.5 5.8]; C=sign(A).*B sum(C)

10 giorni ago | 2

| accepted

Answered
How to generate repeatable random multiple vectors with Specific Number of Values and Fixed Sum?
You should try to restructure your problem to make it fit the tools you already have. If we figure out a way to generate an ord...

10 giorni ago | 0

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Answered
Rotate an image around centroid without deformation
I'm not a fan of using i as a variable name, nor do I like shadowing the image primitive with a variable. Other than that, read...

10 giorni ago | 1

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Answered
How to format wkt (well known text string) as a normal string to build a webread input?
I suspect you need to apply percent encoding, as URLs are not allowed to contain spaces.

11 giorni ago | 0

Answered
How to generate random Patient ID numbers?
The save function has two modes: saving variables and saving a struct. The easiest way to solve this error is to store the da...

12 giorni ago | 1

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Answered
how to minus a sequence value
The diff function will do what you want. You can use abs to get the absolute value.

12 giorni ago | 0

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Answered
Can MATLAB control a website and extract data from it?
My suggestion would be to look at the network tab of your browser's debugging tools to find out from where that data is loaded. ...

16 giorni ago | 0

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Answered
How to Convert data into Image using Matlab
The shape did not actually change. You just expanded the y from [-2 18] to [0 1000]. S=load(websave('tmp.mat','https://www.mat...

17 giorni ago | 0

Answered
How do I access a .m file in a subfolder?
If you want the read the file as text: You can use a relative path: txt=fileread(fullfile('Workspace','constants.m')); You ca...

20 giorni ago | 0

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Answered
Hide licensee first name
You can change your username, which is what is actually displayed.

21 giorni ago | 0

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Answered
how does "[x,y] = WindowCenter(window)" work
The documentation for that function is terrible. Let that be a lesson for when you write your own function. This help text is co...

24 giorni ago | 0

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Answered
Min and Max values and corresponding x/y values
You should use the second output of the min function to return the linear index of the position with the lowest value. Since yo...

24 giorni ago | 0

Answered
there is an error in describing the loop, please help me to resolve this one.
If you're not planning to do anything with the intermediate values, why would you store them? init % Runs the first part of you...

26 giorni ago | 0

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Answered
How to stop (an infinite loop) / the execution of my matlab code via app designer?
You need to use the callback function from your stop button to edit a value. This is the general structure: function StartButto...

26 giorni ago | 0

Answered
install command on linux doesn't bring up installer - again
The 'solution' is to run the installer as normal user (no sudo) and make the current user the owner of the install directory wit...

28 giorni ago | 0

Answered
Loop through parents name
If you're using a struct, you need to do this: uitabname = 'Panel_Perfo'; obj.Display.Compare_Options = uicontrol(obj.Display....

circa un mese ago | 0

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Answered
GUIDE changes my figure size and displays wrong information
I would set the position property in code. You can also do that by putting it in the startup function. You could even first do a...

circa un mese ago | 1

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Answered
is there codes that helps to find out the type of the distribution ?
No. What you ask is fundamentally impossible. What you *can* do is try several distributions and see how well they fit.

circa un mese ago | 1

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Answered
Replacing element of a matrix
I suspect this is homework, so I'm only going to give you a suggestion: You should have a look at the colon operator and how yo...

circa un mese ago | 0

Answered
How can I compare two cell arrays with different sizes ?
A simple loop will do the trick: a = {{1,1} ,{2,3} ,{4,5},{6,7} ,{8,9} ,{10,11};{12,13} ,{14,15} ,{16,17},{18,19} ,{20,21} ,{2...

circa un mese ago | 0

| accepted

Answered
Out of Memory error
Matlab stores arrays in contiguous blocks of memory. I have always interpreted that to mean it cannot cross RAM-sticks (so if yo...

circa un mese ago | 0

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Answered
Can I combine letters with numbers in the same matrix?
You have these options: {'L','M';1,2} ["L","M";"1","2"] ['L','M';1,2] double(['L','M';1,2])

circa un mese ago | 0

| accepted

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