Community Profile

photo

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.

Statistics

All
  • Treasure Hunt Participant
  • MATLAB Central Treasure Hunt Finisher
  • 36 Month Streak
  • Ace
  • Draw Letters
  • Community Group Solver
  • 5-Star Galaxy Level 4
  • GitHub Submissions Level 3
  • Indexing I Master
  • Cody Challenge Master
  • Introduction to MATLAB Master
  • Speed Demon

View badges

Content Feed

Answered
The graph wont be appear
Do what the error message tells you to do: y= t.^2 .* cos(t);

7 hours ago | 1

Answered
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...

7 hours ago | 0

Answered
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...

12 hours ago | 0

| accepted

Answered
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...

16 hours ago | 0

Answered
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...

1 day ago | 0

Answered
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"...

1 day ago | 0

| accepted

Answered
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...

2 days ago | 0

Answered
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...

2 days ago | 0

Answered
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...

2 days ago | 0

| accepted

Answered
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...

3 days ago | 1

| accepted

Answered
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...

5 days ago | 0

Answered
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, ...

6 days ago | 0

Answered
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; ...

8 days ago | 0

| accepted

Answered
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 ...

9 days ago | 0

Answered
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...

9 days ago | 0

Answered
How do I make 3D sphere for convolution?
If you want a sphere in a 3D array, you should probably do something like this: array_width=21;%must be odd radius=5;%must be ...

9 days ago | 0

| accepted

Answered
Saving multiple files in 'xlsx' format
Use sprintf to create a filename based on your variables. for one = 1:numel(p) for two= 1:numel(o) T = table(c{1,...

10 days ago | 0

| accepted

Answered
how to add numbers above the tips of a bar chart
b=[1 2 3]; labels=arrayfun(@num2str,b,'Uni',0); bar(b) text(1:numel(b),b+0.1,labels)

12 days ago | 0

| accepted

Answered
store strings and numbers into an array
I would suggest create a struct array: data=struct('Name',{'Peter','Fabian','Mary'}); [data.Age]=deal(28,21,32);%just to show ...

14 days ago | 0

| accepted

Answered
how to give range in xlsread using edit text field in app designer?
Assuming app.Columneditfield.Value is already a char, you can simply create the range like this: Range=[app.Columneditfield...

15 days ago | 1

| accepted

Answered
for loop index variable change inside the loop[
Once a for loop has started you can no longer change the expression it is based on. You will have to rewrite your for loop as...

15 days ago | 0

Submitted


ComputeNonCryptHash
Compute a non-cryptographic hash

15 days ago | 1 download |

Thumbnail

Answered
How to test montonousness of X Y data
I would sort x, use the second output of sort to change the order of the y elements. That reduces the problem to the question wh...

15 days ago | 0

| accepted

Answered
how do i automatically select the kernel size like 5*5, 7*7... instead of the 3*3 in the code below
This is a terrible way to write a median filter. Since the use of imnoise indicates that you already have the Image Processing t...

15 days ago | 0

Answered
Every program in newer versions of Matlab runs slower, Why?
Some things get slower, some things get faster. It really matters what exact functions you're calling. If I write a function wh...

16 days ago | 0

Answered
Saving values from a for loop in a table
Your index only depends on j, so it will overwrite all previous results. Why don't you use a rectangular array to hold the maxi...

16 days ago | 0

Answered
Why is a regular expression used in this code?
This syntax is designed to fool the Cody score calculator to think it is using only a few non-complex function calls. In ever...

17 days ago | 4

| accepted

Answered
how i can solve my the mistake of my code?
If you look at the original, you will see that there isn't a space between the numbers, so if you remove the space after the %d ...

19 days ago | 1

| accepted

Answered
Expected nsemitones to be one of these types: single, double
The reason this code works when you use input (with str2double) is that you have a number. The code you posted uses the handle ...

19 days ago | 0

Answered
best way to update items in arrays value based on -1 and 1
Use find to find out how many leading zeros you have. Then set all zeros to 1 and use cumprod. Then set the leading zeros as req...

20 days ago | 0

Load more