Rik
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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MATLAB Central Community 20 Year Anniversary Treasure Hunt participant badge
Awarded to Rik on 13 Sep 2021
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Contribute at least one answer each month for 36 consecutive months
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Solve all the problems in Draw Letters problem group
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Solve all the problems in Indexing I
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Content Feed
loading xn data signals of data.txt
No loops required: xn=rand(1000,1);%replace this with the code reading your text file X=[xn-1;xn-2];
environ 11 heures ago | 0
| accepted
Using loops to perform vector functions
There is an mlint warning on line 7. If you hover your mouse over it, you will see a message that this input is not being used. ...
environ 21 heures ago | 0
| accepted
program is not working
You didn't explicitly set a value to R. If you had pre-allocated it, that would have prevented an R from a previous run to affec...
1 jour ago | 0
Taylor series for cos x
There are a few edits you should make to your function: % If you want a third input, just add it like this: % (don't forget to...
1 jour ago | 0
please is there any inbuilt function for harmonic function?
There actually is a builtin that will give you the answer: inf As for implementing the function yourself, that is probably hom...
1 jour ago | 0
Run MATLAB twice at the same time
You mean you want to have two separate instances of Matlab running? That is possible. Running the same function is also not a pr...
2 jours ago | 0
| accepted
Specifying several authors for a contribution
Please post this as a request here. There is Mathworks staff monitoring that thread, so that is the best way to make your voice ...
3 jours ago | 0
Anybody knows how to do to this script goes faster?
Using ismember will already speed up your loop by a lot. The point is that you are analysing a lot of data, so it just will take...
3 jours ago | 1
| accepted
Pourquoi demander 2 fonctions
There isn't any fundamental (Matlab-related) reason. Maybe your teacher wants you to realize that you can implement eqi2tfx b...
3 jours ago | 0
issue with 'intersect' function
Decimals are difficult for computers, since they work in binary, not base 10. Say I ask you to divide 1 by 3. You answer 0.33...
4 jours ago | 0
Hi, may i know how to create a loop in this code for image subtraction? X is the reference image and variable in Y , I have 10 images in the folder
Use a for loop. You can use the sprintf function to generate the file name based on the iteration number, and you can use sub...
4 jours ago | 0
Submitted
Wayback Machine API
This functions acts as an API for the Wayback Machine (web.archive.org).
4 jours ago | 1 download |
The graph wont be appear
Do what the error message tells you to do: y= t.^2 .* cos(t);
5 jours ago | 1
Change array elements that meet a condition - Multidimensional array case
I can think of two ways: # using a loop # replicating B in the third dimension to match the size of A I suspect the first...
5 jours ago | 0
How I can convert from binary to character?
Your binary data seems to require some modification before it contains what you expect. data=[0 0 0 1 0 0 1 0 1 0 1 0 0 1 1 0 0...
6 jours ago | 0
| accepted
Correct Magic Square to text file?
Your file is written row by row, while Matlab will read the data in B column by column. So while most people would not expect t...
6 jours ago | 0
Is Live editor included in the Matlab licence or a separate program?
Live scripts (along with the live editor) were introduced in R2016a. They are a part of base Matlab (so it doesn't require any t...
7 jours ago | 0
Finding the indices of the elements of one array in another
You muct have thought of this already (as it is one of your tags), but ismember does what you need: A = ["G1", "V2", "G3", "G4"...
7 jours ago | 0
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MATLAB GUI - how to make a button change a value then close window
If you add uiwait before the nested function, this will pause execution of the main function. This will give the user time to cl...
7 jours ago | 0
QSS toolbox 2018 version
If you have a relatively recent release of Matlab, you can use the AddOn Manager to get it, but you can download it from the fil...
7 jours ago | 0
get uiTable data when using it in a function
For general advice and examples for how to create a GUI, have look at this thread. If you want to stick with this setup you wil...
8 jours ago | 0
| accepted
Reading text file data with different data formats
I would suggest reading the text file as text, extract the header, and then parse the data with tools like textscan. (You can g...
8 jours ago | 1
| accepted
How do i resolve this error
You can resolve this error by making sure the dimensions agree. If you think this answer is unhelpful; it is. If you want a mor...
10 jours ago | 0
CELL2MAT does not support cell arrays containing cell arrays or objects.
I would suggest using this instead of the entire if statement: ax=[varargin{:}]; This will happily accept empty inputs, ...
11 jours ago | 0
Create a function handle sum of other function
Your anonymous function will become more opaque and I expect the performance to suffer, but this will work: fun=@(x) A; ...
13 jours ago | 0
| accepted
How to select files based on the name?
First you need to retrieve all file names with dir. Then you can split the file name on the dots with the split function. After ...
15 jours ago | 0
How do I install Guide to AppDesigner Migration Tool without the internet?
Since in principle you should only need this migration tool once per project, wouldn't it be feasible to migritate on the online...
15 jours ago | 0
