MathWorks Support Team

MathWorks

Last seen: 5 days ago | Active since 2009

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What are the LM_LICENSE_FILE and MLM_LICENSE_FILE environment variables and how do I set or check for them?
Beginning with MATLAB 6.0 (R12), MLM_LICENSE_FILE can be set to make sure MATLAB is using a specific license file (or server(s) ...

2 days ago | 6

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Answered
How can I build a Simulink model that runs in MATLAB R2024a and R2026a using release-specific blocks?
To solve this in Simulink for MATLAB R2024a and MATLAB R2026a, keep the shared logic in one top-level model and isolate release-...

2 days ago | 0

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Question

How can I build a Simulink model that runs in MATLAB R2024a and R2026a using release-specific blocks?
Is it possible to build one Simulink model that can run in both MATLAB R2024a and MATLAB R2026a while using release-specific blo...

2 days ago | 1 answer | 0

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How do I change the Administrators on my License?
If you are currently an Administrator, you can add or remove Administrators on your Master License by following the instructions...

2 days ago | 4

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Answered
How do I import file logs from my Speedgoat target when using a MATLAB Compiler deployed SLRT app?
In R2025b and earlier, accessing SLRT file log data requires Simulation Data Inspector (SDI) infrastructure. However, SDI has li...

2 days ago | 0

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Answered
How do I validate FMUs using the FMU Compliance Checker?
October 2023 Update: The FMU Compliance Checker has been discontinued and supports only FMUs based on the FMI 1.0 and FMI 2.0 st...

2 days ago | 1

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Answered
How do I validate FMUs using FMU Check, FMPy, and FMUSim?
The FMU Compliance Checker has been discontinued and only works for FMUs based on the FMI 1.0 and FMI 2.0 standards. To validate...

2 days ago | 0

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Answered
評価版ライセンスの生成時に「Trial Not Available」というエラーが表示されるのはなぜですか?
評価版ライセンスを取得できない場合は、MathWorks 営業担当者またはカスタマーサポートにお問い合わせください。

2 days ago | 0

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Answered
How do I change the company/organization name linked to my License?
If you need to change the company/organization name linked to your license, an Assignment and Assumption Agreement may be requir...

3 days ago | 0

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Why Am I Unable to Modify the End User on My License?
The most common reason you will be unable to change the End User on an Individual or Designated Computer license is because:Vali...

3 days ago | 0

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Answered
オフラインのマシンにサポートパッケージをダウンロードしてインストールするには、どうすればよいですか?
MATLAB Package Manager MATLAB R2019a 以降で利用可能 MATLAB Package Manager (MPM) は、MATLAB R2019a 以降のリリースにおいて、オフライン環境向けにサポートパッケージをインストー...

5 days ago | 2

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Answered
How can I allow or restrict email domains on my license?
The License Center allows License Administrators (via a service request) to change the permitted email domains for a license. To...

5 days ago | 0

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Answered
Why is my R2022b (or earlier) MATLAB Web App Server unable to launch apps when accessed through a load balancer?
This error can occur if the load balancer is configured to run with HTTP/2, as MATLAB Web App Server (prior to R2023aU1) does no...

5 days ago | 0

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Question

Why is my R2022b (or earlier) MATLAB Web App Server unable to launch apps when accessed through a load balancer?
I am using MATLAB Web App Server R2022b behind a load balancer. When I try to launch or interact with an app, it shows the follo...

5 days ago | 1 answer | 0

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Can I use an HTTPS proxy URL with Web App Server without enabling SSL?
This is not a recommended workflow, as it can cause WebSockets errors and performance degradation. Mismatched protocols between ...

5 days ago | 0

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Answered
Why do I get an error when opening my MATLAB Web App Server application behind a proxy without sticky sessions?
This issue can happen when proxying in front of multiple servers and not using sticky sessions. Sticky sessions ensure that the ...

5 days ago | 0

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Question

Why do I get an error when opening my MATLAB Web App Server application behind a proxy without sticky sessions?
I have multiple MATLAB Web App Servers (R2026a) running behind a reverse proxy. I have deployed my application to all of the ser...

5 days ago | 1 answer | 0

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How do I purchase toolboxes for my license?
For a Standard or Academic License: As an Administrator of a license, you can purchase toolboxes directly through your MathWork...

6 days ago | 0

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Answered
How do I uninstall and reinstall the MathWorks Service Host?
The MathWorks Service Host is a critical required part of the MathWorks software installed on your machine. If you encounter sta...

6 days ago | 74

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How do I enable license borrowing for a network license?
To improve license mobility, license borrowing can be enabled for network licenses. License borrowing allows users to run MATLAB...

6 days ago | 0

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Why do I get a "Target IP Address is empty" error when I try to connect to Speedgoat hardware from a deployed SLRT app?
What This Issue Means: This error occurs because the IP address is not defined in the app code. In a standalone application, no ...

9 days ago | 0

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How to clear the MATLAB Runtime cache?
1) Locate the MATLAB Runtime cache folder. On Windows, the typical path depends on the MATLAB Runtime version: Before R2024b: C...

9 days ago | 1

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How does the "Reduced-order Flexible Solid" block process rigid body masses and forces applied between nodes?
The Reduced Order Flexible Solid (ROFS) implementation uses the Floating Frame of Reference (FFR) formulation (see Shabana [1])....

9 days ago | 0

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Answered
What ports and protocols does a Speedgoat target use to communicate with the host PC in Simulink Real-Time?
Simulink Real-Time (SLRT) requires multiple network ports and protocols to enable communication between the host PC and Speedgo...

9 days ago | 1

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Answered
Simulink 入門が開かず、初期化のまま停止してしまうのはなぜですか？
この問題は、MATLAB の設定情報（Preferences）が破損していることが原因で発生している可能性があります。この場合は、設定情報を再生成することで問題が解消することがあります。以下のページに記載されている手順に従って設定情報を再生成します。 h...

9 days ago | 0

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Question

Simulink 入門が開かず、初期化のまま停止してしまうのはなぜですか？
Simulink Onramp や Stateflow Onramp が初期化中のまま停止してしまうのはなぜですか？ Simulink Start Page で "Simulink Onramp" ボタンを押しても、回転する待機アイコンが表示されるだけで...

9 days ago | 1 answer | 0

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Why does Polyspace Code Prover R2024b fail compilation before analysis begins when using an external C++ library?
To troubleshoot this issue in Polyspace Code Prover R2024b, inspect the generated Polyspace options file and review the "-I" inc...

10 days ago | 0

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Question

Why does Polyspace Code Prover R2024b fail compilation before analysis begins when using an external C++ library?
I am using Polyspace Code Prover R2024b to analyze C++ code that includes an external library named "exampleLib". The analysis f...

10 days ago | 1 answer | 0

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How do I delete my MathWorks data?
If you would like to request the deletion of your data, fill out the Data Privacy Request Form.  

10 days ago | 0

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Answered
Why does signing in with my SSO credentials during installation or at MATLAB startup get stuck loading or display "Your MathWorks Account login session has expired"?
As a workaround, restart the installer or MATLAB and enter your email address in the installer and then close the SSO window tha...

10 days ago | 10

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