MathWorks Support Team

MathWorks

Last seen: 1 day ago | Active since 2009

Followers: 53 Following: 0

Statistics

Feeds

Answered
Docker環境でSimulinkのROS 2モデルをNormalモードで実行しているとき、なぜROS 2トピックリストに表示されるのに、echoでデータが確認できないのでしょうか？
Docker 環境での ROS 2 に特有のノード検出タイミングに関する問題と考えられます。 DDS 層において、ノードのメタデータが完全に伝播する前にトピックが先に検出されてしまい、その結果としてサブスクライバが正しく動作しないことがあります。以下の手順...

1 day ago | 0

| accepted

Answered
Why are ROS 2 topics discoverable but not echoable when running a Simulink ROS 2 model in Normal mode in a Docker environment?
This behavior is likely related to a node discovery timing issue that is specific to ROS 2 in Docker environments. At the DDS la...

1 day ago | 0

| accepted

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 days ago | 2

| accepted

Answered
How to reorder Stateflow chart output ports to match the port numbers shown in Model Explorer in MATLAB R2024b?
To ensure the output ports of the Stateflow chart match the port numbers shown in Model Explorer, please do the following:Click ...

2 days ago | 0

| accepted

Question

How to reorder Stateflow chart output ports to match the port numbers shown in Model Explorer in MATLAB R2024b?
I am using a Stateflow chart in MATLAB R2024b with multiple output ports that I manually rearranged in a specific order. However...

2 days ago | 1 answer | 0

1

answer

Answered
MATLAB and new macOS Tahoe 26: Blurry interface
We've done some analysis and think the issue is due to the combination of Java 8, macOS 26, and Apple Silicon. We haven't fully ...

2 days ago | 0

| accepted

Answered
Why do I get an error regarding a connection to the server when trying to run a Polyspace (Desktop) analysis from a Simulink model in R2025b on my PC?
Please check your MATLAB Settings for the Proxy Server (MATLAB Preferences -> Web -> "Use a proxy server to connect to the...

2 days ago | 0

| accepted

Question

Why do I get an error regarding a connection to the server when trying to run a Polyspace (Desktop) analysis from a Simulink model in R2025b on my PC?
I'm using MATLAB R2025b and Polyspace Code Prover (Desktop) and Polyspace Bufginder (Desktop) R2025b. I linked Polyspace to MATL...

3 days ago | 1 answer | 0

1

answer

Answered
Why will MATLAB not start up properly on macOS?
If MATLAB is not launching properly, and you are not receiving any License Manager Errors, then you may perform the following so...

3 days ago | 12

| accepted

Answered
How to read and write AXI4/AXI4-Lite registers from code generated by Embedded Coder R2025b on a bare-metal MicroBlaze processor?
An IP core generated by HDL Coder exposes DUT ports as memory-mapped AXI4/AXI4-Lite registers. In this workflow, the MicroBlaze ...

3 days ago | 0

| accepted

Question

Docker環境でSimulinkのROS 2モデルをNormalモードで実行しているとき、なぜROS 2トピックリストに表示されるのに、echoでデータが確認できないのでしょうか？
MATLABとDocker間でROS 2通信を試行しています。同一Domain IDを設定しSimulinkのROS 2ノードを実行したところ、ros2 topic list ではトピックが確認できますが、ros2 topic echo&nbsp...

3 days ago | 1 answer | 0

1

answer

Question

Why are ROS 2 topics discoverable but not echoable when running a Simulink ROS 2 model in Normal mode in a Docker environment?
We are attempting to establish ROS 2 communication between MATLAB and a Docker container. When we set the same Domain ID and run...

3 days ago | 1 answer | 0

1

answer

Answered
Is "ZCU208" board supported for the "Streaming Data from Hardware to Software" MATLAB example?
Yes, the Streaming Data from Hardware to Software MATLAB example is supported by the "ZCU208" board. The bitstreams for boards l...

4 days ago | 0

| accepted

Question

Is "ZCU208" board supported for the "Streaming Data from Hardware to Software" MATLAB example?
I wanted to confirm whether the Streaming Data from Hardware to Software MATLAB example supports the "AMD XILINX Zynq Ultra...

4 days ago | 1 answer | 0

1

answer

Answered
How can I troubleshoot license errors when using MATLAB Production Server on Kubernetes?
These errors may occur if the Kubernetes cluster is unable to resolve the license server's hostname. The Kubernetes cluster has ...

4 days ago | 0

| accepted

Question

How can I troubleshoot license errors when using MATLAB Production Server on Kubernetes?
I deployed MATLAB Production Server on a Kubernetes cluster using the reference architecture on GitHub. As per the prerequisites...

4 days ago | 1 answer | 0

1

answer

Answered
Why am I unable to install R2026a or newer on my macOS Intel?
MATLAB R2025b is the final release of MATLAB for Intel Mac. MATLAB is no longer available for Macs with Intel processors. Please...

4 days ago | 0

| accepted

Question

Why am I unable to install R2026a or newer on my macOS Intel?
I have a license to install the latest release of MATLAB but on the MathWorks Downloads page, the MathWorks Product Installer fo...

4 days ago | 1 answer | 0

1

answer

Answered
Modifying an example does not have a BER of zero
Most of our demos are developed with ideal scenarios and are not guaranteed to work for any scenario. In this situation, BER of ...

4 days ago | 0

| accepted

Answered
How do I view validation data when using the Bayesian Regularization Algorithm to train a neural network?
The function 'trainbr' that performs Bayesian regularization backpropogation disables validation stops by default. The reasoning...

4 days ago | 0

| accepted

Answered
How to handle NaNs in the response data in deep neural networks?
If you have data for "unknown" classes that you do not care about, you should remove them from the training set when using the d...

4 days ago | 0

| accepted

Answered
How to implement Green's function in MATLAB
MATLAB does not yet have a built-in function for computing Green's function. That being said, you can use the Symbolic Math...

4 days ago | 0

| accepted

Answered
SSO 経由で MathWorks アカウントにサインインしようとすると、「リクエストを処理できません」というエラーが表示されるのはなぜですか?
このエラーは、MathWorks アカウントではシングルサインオン（SSO）が有効になっていない一方で、大学側ではすでに有効になっている場合に、MathWorks 製品 Installer で発生することがあります。また、以下の旧式の MathWork...

4 days ago | 0

| accepted

Answered
.NET のリストアイテムのプロパティにアクセスするとエラーとなるのはなぜですか？
このエラーは、リストが構造体である場合に発生します。構造体は値(つまり参照ではない)であり、リスト項目は読み取り専用であるため、この方法でItemプロパティを変更することはできません。値をコピーし、コピーを変更して、リストに戻す必要があります。例： x...

4 days ago | 0

| accepted

Answered
高速に実行するための推奨マシンはありますか？
まず、最小限の時間で計算タスクを完了するために、MATLAB パフォーマンスを最適化する必要がありますが、アプリケーションのパフォーマンスは、システムリソースが十分にあるかどうかに依存します。他の多くのプロセスとともに MATLAB を実行すると、パフォー...

4 days ago | 0

| accepted

Answered
Why does MATLAB crash with the crash log containing "grooveex.dll"?
The crash is caused by a third-party application that installs a DLL named "grooveex.dll". This DLL is an application extension ...

7 days ago | 0

| accepted

Answered
How can I update or reactivate my Campus-Wide License?
If the Campus-Wide License you are using has been renewed, you will need to update your license information to continue usi...

7 days ago | 17

| accepted

Answered
Simulink Online R2026a hangs when trying to save a new Simulink model with the save button.
In Simulink Online R2026a, this issue with saving models can be resolved programmatically or graphically. Follow the steps below...

7 days ago | 0

| accepted

Question

Simulink Online R2026a hangs when trying to save a new Simulink model with the save button.
I am trying to save my Simulink Online R2026a model by clicking the "save" button on the toolbar, but the model fails to save an...

7 days ago | 1 answer | 0

1

answer

Answered
How to protect intellectual property (IP) with an FMU exported from Simulink?
The FMI standard does not specify anything related to IP protection; however, "Standalone" FMU exports provide some degree of IP...

7 days ago | 2

| accepted