Question


AI で作成した FBX ファイルは RoadRunner のアセットとして使用できますか？
画像を入力として読み込み、3D ジオメトリを生成する生成 AI モデルを使用して、踏切の形状および外観を表す FBX ファイルを作成しました。 この FBX ファイルを、Library Browser にドラッグ＆ドロップして RoadRunner のア...

9 days ago | 1 answer | 0

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Windows PC で「UDP Receive」ブロックを使用しても Simulink で受信データを読み取ることができないのはなぜですか？
デスクトップ PC で実行されている Simulink モデルで UDP 通信を使用する場合は、デスクトップ向けの UDP 通信をサポートする適切な UDP Receive ブロックと UDP Send ブロックを使用します。これらのブロックは、以下の 3...

9 days ago | 0

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Question


Windows PC で「UDP Receive」ブロックを使用しても Simulink で受信データを読み取ることができないのはなぜですか？
Simulink モデルを Windows PC で実行しています。Ethernet 経由で PC に接続された外部センサーとデータを交換したいと考えています。低レイテンシを実現するために、UDP プロトコルを使用しています。 「UDP Send」ブロック...

9 days ago | 1 answer | 0

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Why does MATLAB sporadically crash on my 13th or 14th generation Intel processor?
Unfortunately, there is a known issue with the 13th and 14th generation Intel processors that causes them to error sporadically....

10 days ago | 7

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How to update imported ReqIF requirements in Requirements Toolbox while preserving model links?
To preserve the model links, Update Imported Requirements instead of importing the updated requirements as new requirements. The...

10 days ago | 0

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How to update imported ReqIF requirements in Requirements Toolbox while preserving model links?
I import requirements from a ReqIF file into Requirements Toolbox and create links from those requirements to a model. Later, I ...

10 days ago | 1 answer | 0

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How do I configure my Minidrone Competition License?
Link to License 1. Create or sign into a MathWorks Account 2. Enter your Activation Key on the Link a License page Download and ...

10 days ago | 0

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Why do I receive the error "This email is not linked to a license. Use a different email address..." when I try to launch MATLAB?
This error indicates that MATLAB is activated to launch in a licensing mode which requires your MathWorks account to be linked t...

10 days ago | 2

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How do I activate MATLAB or other MathWorks Products?
When installing MATLAB or other MathWorks Products, MATLAB automatically activates itself either during installation (R2020...

10 days ago | 88

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How can I work with multipart STEP and STL geometry in the Partial Differential Equation Toolbox in MATLAB R2025b when "importGeometry" does not preserve individual cells?
As of MATLAB R2025b, the Partial Differential Equation Toolbox does not support importing a STEP file and immediately recognizin...

10 days ago | 0

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How can I work with multipart STEP and STL geometry in the Partial Differential Equation Toolbox in MATLAB R2025b when "importGeometry" does not preserve individual cells?
I am importing a STEP (CAD geometry exchange file format) file into MATLAB R2025b and working with Partial Differential Equation...

10 days ago | 1 answer | 0

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How to avoid running out of disk space on my Speedgoat target computer with Simulink Real-Time?
Data Management for File Logging: If you are using File Logging in your Simulink model, below are several strategies to help you...

10 days ago | 0

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Why does the "matfile" function create files larger in size compared to the "save" function?
This is a known limitation when updating existing variables in a MAT-File: the MAT-File's size can increase, especially if the v...

10 days ago | 0

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How to initialize a Unit Delay block with a Bus signal from a Data Dictionary in the Model Workspace in R2021a?
The attached example contains the following information which solves the issue: The following MATLAB code is used to create th...

10 days ago | 0

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Answered
how to color individual lines in a plot
You can replace the palette of colors MATLAB uses for multiline plots with the colororder function. If you want to use a colorma...

10 days ago | 0

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What are initial troubleshooting steps I can take for unexpected Simulink issues?
This article contains general steps that, on occasion, may resolve unexpected or unexplained behavior from Simulink. These ...

11 days ago | 0

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Why does MATLAB crash when plotting with Intel drivers?
Starting in R2025a, most issues with Intel drivers have been resolved. However, if you experience crashes w...

11 days ago | 8

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Frequently Asked Questions: MATLAB Compiler
Where can I find example code to compile?Examples located in <matlabroot>\extern\examples\compilerExamples in documentatio...

11 days ago | 2

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How do I join the Book Program?
If you would like to join the MathWorks Book Program, please click here for further details and a link to the application f...

11 days ago | 1

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Why do I lose CAN messages when I use CAN Transmit and CAN Receive blocks in Vehicle Network Toolbox?
1. CAN メッセージが取りこぼされているように見える一般的な理由のひとつは、CAN Transmit ブロックの “Transmit messages periodically” オプションです。 CAN Transmit ブロックでは、“Transm...

11 days ago | 0

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Question


Why do I lose CAN messages when I use CAN Transmit and CAN Receive blocks in Vehicle Network Toolbox?
Simulink で CAN Transmit と CAN Receive ブロックを使用するとデータサンプルを取りこぼすように見えるのはなぜですか？

11 days ago | 1 answer | 0

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Why am I unable to launch App Designer, Simulink Start Page, and the MATLABWindow process in Linux?
The "symbol lookup error" in the last line of the output for each of the machines that experiences this issue indicate that the ...

11 days ago | 0

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Answered
What is the "main.cu" file and how can I generate and include a custom one when generating code for an NVIDIA target?
The example "main.cu" and "main.h" files are generated as part of code generation but are not deployed and compiled by default. ...

11 days ago | 0

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Why do I receive the error "Unable to find the 'CUDA_PATH' environment variable" when using the GPU Coder function "coder.checkGpuInstall"?
GPU Coder uses environment variables to locate the necessary tools, compilers, and libraries required for code generation. If yo...

11 days ago | 0

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How do I use ASIO, ALSA, and other APIs to communicate with PC audio hardware from Simulink?
In MATLAB R2007b, the Signal Processing Blockset released two blocks, the "To Audio" Device and "From Audio" Device blocks, whic...

11 days ago | 0

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How can I customize the version of PortAudio that is used with the Signal Processing Blockset 6.9 (R2009a)?
This enhancement has been incorporated in Signal Processing Blockset 6.10 (R2009b). For previous releases, please see the inform...

11 days ago | 0

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MATLAB および Simulink のパフォーマンスに影響を与えるウイルス対策ソフトを検出・防止するにはどうすればよいですか？
注意：ウイルス対策ソフトによる問題は通常 Windows 環境で発生するため、本記事は Windows のみを対象としています。 ウイルス対策ソフトによる干渉を検出する方法 MATLAB や Simulink で発生しているパフォーマンス低下が、ウイルス対...

11 days ago | 0

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Question


MATLAB および Simulink のパフォーマンスに影響を与えるウイルス対策ソフトを検出・防止するにはどうすればよいですか？
MATLAB や Simulink のパフォーマンスに、ウイルス対策ソフトが影響しているのではないかと疑っています。 このような影響を検出したり、干渉を防ぐためにできることはありますか？

11 days ago | 1 answer | 0

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How to detect and prevent antivirus from affecting MATLAB and Simulink performance?
Note: because antivirus is typically a Windows issue, this article is written only for Windows.How to Detect Antivirus Interfere...

11 days ago | 2

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Question


エラー 5020「指定されたパスが見つからなか、アクセスできません」が発生するのはなぜですか？
エラー 5020「指定されたパスが見つからなか、アクセスできません」が発生します。

14 days ago | 1 answer | 0

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