Question

How can I debug an issue with the Polyspace Report Generator?
When experiencing an issue with the Polyspace Report Generator, how do I generate logs or reports that I can send to MathWorks S...

1 month ago | 1 answer | 0

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answer

Answered
How can I link a requirement in the Requirements Editor to another requirement?
This is possible as well. In Link_Requirement_with_Requirement.gif, it is demonstrated how. The model from this example was used...

1 month ago | 0

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Question

How can I link a requirement in the Requirements Editor to another requirement?
I would like to know if there is any possibility of creating traces between 2 requirements in the requirements editor.

1 month ago | 2 answers | 0

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Does the “volshow” function in Image Processing Toolbox support interactive scene‑lighting control equivalent to the “orbitscenelight” camera motion mode in MATLAB R2025b?
No. As of MATLAB R2025b, the “volshow” function in Image Processing Toolbox does not include the Camera Toolbar and does not imp...

1 month ago | 1

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Question

Does the “volshow” function in Image Processing Toolbox support interactive scene‑lighting control equivalent to the “orbitscenelight” camera motion mode in MATLAB R2025b?
I am visualising 3‑D volumetric data using the “volshow” function from Image Processing Toolbox in MATLAB R2025b. In earlier wor...

1 month ago | 1 answer | 0

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answer

Answered
How to Provide Feedback, Report Bugs, or Request Features for MATLAB Proxy?
MATLAB Proxy is a tool that enables access to MATLAB through a web browser by acting as a bridge between the browser and a ...

1 month ago | 0

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Question

How to Provide Feedback, Report Bugs, or Request Features for MATLAB Proxy?
I am using MATLAB Proxy and have encountered an issue that may be a bug. I would also like to request a new feature and provide ...

1 month ago | 1 answer | 0

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Answered
How can I prevent variant‑disabled ports from appearing as "UNUSED_PARAMETER" arguments in generated code when using an explicit Step function prototype configuration?
This behavior occurs because the function interface has been explicitly defined in the Code Generation interface. When the optio...

1 month ago | 0

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Question

How can I prevent variant‑disabled ports from appearing as "UNUSED_PARAMETER" arguments in generated code when using an explicit Step function prototype configuration?
When generating embedded code from a Simulink model in Embedded Coder R2022b that uses "Variant Source" and "Variant Sink" block...

1 month ago | 1 answer | 0

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Update-PROD-Restart
Fake text 1234&^%^&*()

1 month ago | 0

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Question

Update-PROD-Restart
Generated question?

1 month ago | 1 answer | 0

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answer

Answered
How can I recover the password for my MathWorks Account?
If you are unable to retrieve your password or if your MathWorks Account has been locked, you can reset the password by using th...

1 month ago | 0

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Answered
MATLAB Coder generated MEX file throws an error that "Index exceeds matrix dimensions" although the code runs in MATLAB without error
This is fundamental difference between MATLAB execution and code generation. Code generation does not support increasing th...

1 month ago | 1

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Question

MATLAB Coder generated MEX file throws an error that "Index exceeds matrix dimensions" although the code runs in MATLAB without error
I'm trying to use MATLAB Coder to generate C/C++ code for my MATLAB code. However, when I try to execute the MEX file generated ...

1 month ago | 1 answer | 0

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Question

Can I run MATLAB in Docker container on macOS with an Apple Silicon (ARM) processor?
I have a Mac with an Apple Silicon (M‑series) processor running macOS, and I use Docker on this machine. Can I run MATLAB inside...

1 month ago | 1 answer | 0

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R2025a 以降の MATLAB で Java を有効にするにはどうすればよいですか?
MATLAB は R2025a 以降、従来の Java ベースのグラフィカルユーザーインターフェースを廃止し、JavaScript および HTML を用いた仕組みに移行しました。そのため、起動時に Java は自動的には読み込まれなくなっています。イン...

1 month ago | 0

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Answered
Why do I receive a "Previously accessible file <filename> is now inaccessible." error in MATLAB R2024b?
This issue occurs in MATLAB R2024b when too many file objects are open at the same time in your code. MATLAB has a limit on the ...

1 month ago | 0

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Question

Why do I receive a "Previously accessible file <filename> is now inaccessible." error in MATLAB R2024b?
I am using MATLAB R2024b on Windows 11, and my workflow involves opening and closing multiple file objects in my code. However, ...

1 month ago | 1 answer | 0

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Can I access internal flash memory using Embedded Coder?
We do not support any block that directly allows users to write/read to/from the internal flash memory. To do this, you must use...

1 month ago | 0

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Question

Can I access internal flash memory using Embedded Coder?
I am working on a project where I use Embedded Coder to deploy to a microcontroller.  I would like to store data in the mic...

1 month ago | 1 answer | 0

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Can lingering testhost.exe processes be prevented after C# unit tests using a MATLAB .NET library?
The persistence of the "testhost.exe" process after test completion likely indicates that the MATLAB Runtime environment, which ...

1 month ago | 0

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Answered
How can I enable Java in MATLAB R2025a and newer?
Since MATLAB's own graphical user interface is no longer Java-based starting in R2025a, but instead utilizes JavaScript and HTML...

2 months ago | 1

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Answered
Why will MATLAB not start up properly on my Windows based system?
If MATLAB is not launching properly, and you are not receiving any License Manager Errors, then you may be experiencing one of t...

2 months ago | 206

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Answered
How can I install the "Simulink Real-Time Target Support Package" and "Speedgoat I/O Blockset" in a Docker container?
To build a custom MATLAB Docker container, we typically recommend using the MATLAB Package Manager (mpm). However, installi...

2 months ago | 2

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Answered
Are there workaround to avoid "Cannot compute a stabilizing LQR gain" error?
The error message does not indicate a theoretical inconsistency; it is caused by numerical instability. When parameters such as ...

2 months ago | 0

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Question

Are there workaround to avoid "Cannot compute a stabilizing LQR gain" error?
I came across an error when I executed LQR command. A = 5000; B = 1e-6; Q = 1e+4; R = 1; [F,P,~] = lqr(A,B,Q,R); Error using...

2 months ago | 1 answer | 0

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MATLAB Drive アカウントのサインイン履歴を見るにはどうすればよいですか?
MathWorks では、MATLAB Drive に関するデバイス履歴や最終同期日時について、個々のユーザー単位でのレポート提供は行っておりません。 MATLAB Driveのサインイン履歴についてご不明な点がございましたら、MathWorks サポート...

2 months ago | 0

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Question

MATLAB Drive アカウントのサインイン履歴を見るにはどうすればよいですか?
MATLAB Drive アカウントのサインイン履歴を確認し、いつ、どこからアクセスされたかを確認したいと考えています。この情報はどのように確認できますか？

2 months ago | 1 answer | 0

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Answered
なぜ永久版の MATLAB Student / Home License の更新やアドオン製品の購入はできないのですか?
2026年1月1日より、従来提供していた永久版の Student License および Home License は廃止され、年間サブスクリプション型の MATLAB and Simulink Student Suite および MATLAB and ...

2 months ago | 0

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Answered
How do I restore Speedgoat I/O Blockset after resetting my MATLAB path?
You can restore the Speedgoat I/O Blockset installation by doing the following: 1) Navigate to the Speedgoat Blockset installati...

2 months ago | 0

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