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Feeds
Cannot create publisher or subscriber of custom message
Hi George, When encountering issues with custom ROS messages in MATLAB, especially when you can see the message type using ros...
23 days ago | 0
In Simulink, unable to find the corresponding topic in the ROS system when subscribing or publishing to a ROS2 topic
Hi @YOM, It seems like you're looking at an image where the command used is meant to display a list of ROS 2 nodes, not topics...
23 days ago | 0
Using shared pointers with MATLAB Coder
Hi @Pedro Calorio, For smart pointers, while MATLAB Coder doesn't generate shared or unique pointers, it can wrap dynamic memo...
24 days ago | 0
Need help with interactive GUI application
Hi @CBhushan, Here are some steps that might be helpful to you: User MATLAB's timer function to periodically check for new dat...
25 days ago | 0
How can I sum handles by index in GUI?
Hi @Elmira Jafari, Assume that the elements you are using for numbers (lamina1 and lamina2) are editfield components. To calcu...
26 days ago | 0
How to simulate multiple users 5G toolbox
Hi @Andrea Marotta, To change the RNTI, one of the possible way is to load the .mat file in MATLAB workspace and then try to u...
26 days ago | 0
Error when running app designer
Hi @Mubarak, It's difficult to provide specific inputs without seeing the code. However, one possible reason for the delay coul...
26 days ago | 0
How to configure ip address/port with DDS Blockset
Hi @Chuguang Pan, I have not tried this workflow but I think that DDS should handle the communication automatically. You may wa...
27 days ago | 0
Update the content of a MatLab generated executable
Hi @Guillaume JACQUENOT, MATLAB executables (created using MATLAB Compiler) are essentially self-extracting archives. They cont...
27 days ago | 0
Can FastDDS communicate with RTIDDS?
Hi @坚袆, Cross communication between FastDDS(in Speedgoat) and RTI(any other network connected system) is possible without much...
27 days ago | 0
index exceeds array bound
Hi @AMRUTHA S, The "index exceeds array bounds" error in Simulink typically occurs when you attempt to access an element of an...
2 months ago | 0
Python engine error "Invalid Version"
Hi @Ricardo, I came across some MATLAB answer articles that address a similar issue. I recommend checking out the workaround me...
2 months ago | 0
Activate individual license on cluster nodes (Linux system) with no GUI
Hi @Yi, When installing and/or activating MATLAB, the MathWorks Installer and/or Activation Client will attempt to pull the use...
2 months ago | 0
How do u create multi tab app on app designer with different interfaces when each tab is selected
Hi @brolaja, To achieve the same you can use the tabgroup and tab in MATLAB App. Then, you can design UI for each tab in the a...
2 months ago | 0
Real-Time UI Updates in MATLAB Application Using Parallel Computing with Threading and App Property Variable Issues
Hi @Kathir Vel, One possible way is to use callback or listener objects. When you have something to update, you just need to tr...
3 months ago | 0
writematrix: how to get formatted txt-output?
Hi, Seems that you want to use 'precision' as key value pair with 'writematrix'. I think this is currently limitation. I found...
5 months ago | 0
App Designer - App window not fully displayed on transition to 2024A
Hi @Shaun Forth, I think that the issue might be because of the Windows text scaling setting. The following workaround might be...
5 months ago | 0
| accepted
Why would I encounter an error message about unsuitable bus signal using DDS Blockset?
Hi @昱颖 陈, Based on the image provided, it appears that the issue is that 'ddsblockset1/Outport' is expected to receive a 'Bus'...
6 months ago | 0
| accepted
Simulink mask: show/hide the port of a custom Simulink block
Hi @federico ciresola, I understand that you want to create a block mask with the help of a checkbox. Here are some possible st...
7 months ago | 0
append (not strcat) to combine strings with whitespace (\n)
Hi @Gavin, I had a quick look into the code and found that the "append" function only takes strings as input and concatenates t...
7 months ago | 0
| accepted
What is the problem in this simulink, why doesn't draw (plot)?
Hi @Mohamad Affef, After reviewing the model and code file, it appears there is an issue with the "plot" function. The "plot" f...
7 months ago | 0
Support needed for using aerospace blockset
Hi @khalid, To use the custom variables defined, you first need to understand the model and its behaviors. When you load the mo...
7 months ago | 0
What mex compiler can I use on my Macbook Pro 2017?
Hi @Lisa Taylor, I understand that you want to compile C files into MEX files on a MacBook. MATLAB requires you to install a su...
7 months ago | 0
| accepted
¿How can I transform an already working code to a GUI?
Hi @José Felipe Serna, I understand that you want to create an app that follows the desired workflow. I would recommend utiliz...
7 months ago | 1
I am getting a 'You do not have a valid license file' whenever I launch MATLAB after installing even though I have a valid student license.
Hi @Naledi Ntsane, The issue seems to be related to license information that cannot be read properly or has been corrupted. I ...
7 months ago | 0
Matlab run_functional test r2022a is failing with "unrecognized function or variable 'ippl'"
Hi @Paul, It seems that you have not licensed the Image Processing Toolbox for the current MATLAB version. You may want to chec...
7 months ago | 0
| accepted
Pool job test failed Matlab 2024a local machine
Hi @Raphael, This looks like an installation issue. You may want to try reinstalling MATLAB or try the same workflow on an old...
7 months ago | 0
| accepted
Downgrade project with reference models and sub-models from 2023 to 2021
Hi @Sergio Luiz Dutra, I understand that you want to downgrade your project from R2023 to R2021. In the Simulink window, File...
7 months ago | 1
How can I hide the black line on the right side of colorbar
Hi @Hongyun, I tried reproducing the same issue. When I searched for help with this function, unfortunately, I could not find ...
7 months ago | 0
| accepted
Dot indexing is not supported for variables of this type.
Hi @Yunus Emre, I had a brief look into the code that you provided, and I identified where the issue originates. In the functi...
8 months ago | 0
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