Answered
Linear indexing for multi-dimensional struct array in C++ API
Linear indexing can be achieved using the 'matlab::data::TypedIterator<T>'. This is a templated C++ class which provides r...

23 days ago | 0

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Answered
Is it possible to keep an AppDesigner GUI always on top?
Starting in R2021a, you can use the 'WindowStyle' property to create UI figures that remain in the foreground. To keep a specifi...

23 days ago | 3

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Answered
How can I obtain the Simulink Test Manager test assessment results programmatically in MATLAB R2021a?
The reason the code snippet does not work in release R2021a is that in MATLAB R2022b, "dataset" is a "Simulink.SimulationData.Da...

23 days ago | 0

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Answered
How can I obtain the output of iterative test cases using the Simulink Test Manager programmatically?
If there are iterations under a test case, the "TestCaseResult" object itself does not run the verification anymore. Instead, it...

23 days ago | 0

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Answered
Why does the code generated following "Generate C++ Classes from MATLAB Classes Using MATLAB Coder" differ from the code shown in the video?
This is due to an optimization setting for inlining user functions introduced in MATLAB R2020b after this video was created in M...

23 days ago | 0

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Answered
Why does adding/removing a scope block from my Simulink model affect code coverage results in R2021a?
In Simulink, when one switch block is upstream from another switch block, Simulink performs Conditional Branch Optimization.&nbs...

23 days ago | 0

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Answered
How to access external helper functions in apps created using App Designer?
For calling  'helperscript1.m' and 'helperscript2.m' functions from the app, the functions have to be on the MATLAB pa...

23 days ago | 0

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Answered
Why Simscape variables are hard-coded in the generated code?
The variables listed in the "Variables" settings are automatically configured as "Run-time" tunable if they are associated with ...

23 days ago | 0

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Answered
Why is there a violation on MISRA-C:2012 Rule 8.7 with Polyspace Bug Finder R2021a?
The MISRA-C:2012 8.7 violation on "FlushDataCache" is a true positive in Polyspace Bug Finder R2021a. To work around this issue...

23 days ago | 0

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Answered
Can an S-Function builder input be symbolic?
S-Function Builder in R2021a does not currently support symbolic dimensions. If you want to continue down the route of using S-F...

23 days ago | 0

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Answered
Why does my Polyspace Code Prover Analysis only show coding standards results in the Dashboard and no Code Prover results?
There are two reasons why this might happen. 1. In the configuration pane under Code Prover Verification -> Precision, check ...

23 days ago | 0

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Answered
How is the building and terrain material defined in the Longley-Rice propagation model used by Antenna Toolbox?
Both building and terrain materials default to concrete. You cannot change the building and terrain material in the Longley-Rice...

23 days ago | 0

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Answered
Why do I get a message "Uploading Progress: 0% . In Queue." when trying to upload results to Polyspace Access R2021a?
This indicates that JRE is out of RAM or swap space. Please check if you have >= 32GB RAM, as mentioned in the system require...

23 days ago | 0

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Answered
How to fix error ''OPCEnum service is not operating correctly. Repair OPC Core Components.'' using OPC Toolbox in R2021a?
OPCEnum is part of the "OPC Foundation Core Components" which OPC Toolbox relies on. You can use the "opcregister" function in M...

23 days ago | 0

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Answered
Why do I get an error about a missing ros_structmsg_conversion.h header file when compiling generated C++ code for ROS interfaces?
To generate the ros_structmsg_conversion.h header file, make sure that you have selected "Robot Operating System (ROS)...

23 days ago | 0

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Answered
Why does the 'text' command only accept position inputs of type double in MATLAB R2020b and earlier?
Starting in R2021a, the 'text' accepts single data types and other non-double inputs for the position: https://www.mathworks.com...

23 days ago | 0

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Answered
Why does generated code use the double version of math functions when the data are single precision floats?
The reason for these extra data type conversions is likely due to the version of the C language standard you are generating code...

23 days ago | 0

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Answered
How do I get the signal dimensions to stop changing when I close my feedback loop?
Signal dimension propagation normally starts from a source block where the output sizes can be determined without any inputs. Wh...

23 days ago | 0

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Answered
なぜ Polyspace Access Web UI にログインしようとすると「アクセスの拒否: ライセンスが無効です。プロジェクト管理者またはITにお問い合わせください。」というエラーが出るのでしょうか?
このエラーは、ユーザーが Polyspace Access にサインインしようとした際に、ライセンスの取得に失敗したことを示一般的なライセンスエラーです。ライセンス関連のエラーにはいくつかのエラーがあるため、詳細を確認するため、Polyspace Acce...

23 days ago | 0

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Answered
Can I create a 4th breakpoint data input port on a n-D Lookup Table block?
This is not currently a feature in Simulink, you can only create up to three breakpoint data input ports for an n-D Lookup Table...

23 days ago | 0

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Answered
なぜ Polyspace Access で結果を見直すと MathWorks Licensing Error 96 または 95 が表示されるのでしょうか?
このエラーは通常、Polyspace Access Docker コンテナ内でライセンスサーバーのホスト名を IP アドレスに解決できなかったことを示しています。 Polyspace Access コンテナ内でコマンドを実行するには、次のコマンドを実行しま...

23 days ago | 0

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Question


なぜ Polyspace Access で結果を見直すと MathWorks Licensing Error 96 または 95 が表示されるのでしょうか?
Cluster Dashboard を使用して Polyspace Access を設定し、ライセンスファイルへのパスを指定しました。また、このドキュメント「Polyspace NNUライセンスの管理」に記載されているライセンス設定手順をすべて実行しました...

23 days ago | 1 answer | 0

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Question


なぜ Polyspace Access Web UI にログインしようとすると「アクセスの拒否: ライセンスが無効です。プロジェクト管理者またはITにお問い合わせください。」というエラーが出るのでしょうか?
ユーザー名とパスワードで Polyspace Access Web UI にサインインしようとすると、エラーが表示されるポップアップウィンドウが表示されます。 アクセスの拒否ライセンスが無効です。プロジェクト管理者またはITにお問い合わせください。 ...

23 days ago | 1 answer | 0

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answer

Answered
インターネットに接続されないコンピューターでどのようにMATLABをアクティベーションしますか？
オフラインのマシンで MATLAB またはその他の MathWorks 製品をアクティベートするには、以下の手順を行います。ホスト ID を取得します。(Individual ライセンスのみ) コンピューターのログイン名またはユーザー名を取得します。ライセ...

23 days ago | 0

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Answered
What is Software Maintenance Service (SMS) and where can I find more information about it?
Software Maintenance Service (SMS) is an annual program offered to our customers that provides Technical Support, most recent so...

24 days ago | 0

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Answered
RoadRunnerで車道（オーバルコース）を設置して、車両の走行シミュレーションを行う最も簡単な手順を教えてください。
(1) RoadRunnerで新規の「Scene」作成ウィンドウを開く。RoadRunnerを起動し、「New Project」を Create する。「Project Exploer」で、「New Scene」を選択する。Scene（車道など）を設置する...

24 days ago | 0

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Question


RoadRunnerで車道（オーバルコース）を設置して、車両の走行シミュレーションを行う最も簡単な手順を教えてください。
RoadRunnerで車道（オーバルコース）を設置して、車両の走行シミュレーションを行う最も簡単な手順を教えてください。

24 days ago | 1 answer | 0

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Answered
What is the simplest way to create an road(oval track) and run a vehicle simulation in RoadRunner?
(1) Open the New Scene Creation Window in RoadRunnerLaunch RoadRunner and create a New Project.In the Project Explorer, select ...

24 days ago | 0

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Question


What is the simplest way to create an road(oval track) and run a vehicle simulation in RoadRunner?
What is the simplest way to create an road(oval track) and run a vehicle simulation in RoadRunner?

24 days ago | 1 answer | 0

1

answer

Answered
Confusing behavior for "randsample" with a vector of length one
If a vector of length one is inputted to the "randsample" function, it is treated as a scalar value. In that case, "randsample" ...

25 days ago | 1

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