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MathWorks Support Team


MathWorks

32,144 total contributions since 2009

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Answered
Why do I get an extract error while installing MATLAB?
*Cause:* The error usually shows that the installer could not extract the .zip file packaged with the installer. * *Adminis...

1 day ago | 0

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Answered
Why do I receive an "Auth fail" error when interacting with a Git remote over SSH in MATLAB or why does MATLAB keep asking for the password of git@myhost?
The "Auth fail" message is shown when all authentication mechanisms supported by the server failed; the password dialo...

1 day ago | 0

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Question


Why do I receive an "Auth fail" error when interacting with a Git remote over SSH in MATLAB or why does MATLAB keep asking for the password of git@myhost?
When trying to clone my Git remote in MATLAB over SSH or when trying to interact with (push, pull, etc.) an already successfully...

1 day ago | 1 answer | 0

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Question


Why do I get an extract error while installing MATLAB?
When running the MATLAB installer, I get an extract error that says the system cannot find the path specified. Why do I get thi...

1 day ago | 1 answer | 0

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Answered
Why do I receive a segmentation violation when starting a worker for the MATLAB Distributed Computing Engine?
This error might occur when the mjs service is configured to start at boot time. To start the mjs manually you must run $M...

3 days ago | 0

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Answered
Why do I receive the error "Invalid maximum heap size: -Xmx%WORKER_MAXIMUM_MEMORY%" in my MDCE log file?
The MDCE log file is found in the location below: *Windows:* C:\TEMP\MDCE\log\mdce-service.log *Mac/Linux:* /v...

3 days ago | 0

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Answered
Is MATLAB supported on Mac OS 10.2.x (Jaguar)?
MATLAB is supported for use on Jaguar, OS X 10.2 only for MATLAB Relase 13. This includes the service packs for MATLAB R13 as we...

3 days ago | 0

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Answered
Why are my custom port ranges for an MATLAB Parallel Server cluster using the MATLAB Job Scheduler not being used (R2015a to R2016b)?
This is an issue where the variables set within the mjs_def file are not used to initialize the port ranges used by MATLAB Job S...

3 days ago | 0

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Answered
Why do I receive an error when attempting to start a worker for the MATLAB Parallel Server?
These errors generally occur when one of the following is true: 1. The worker failed to checkout the license from the license s...

3 days ago | 0

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Answered
Why do I receive License Manager Error -4?
"License Manager Error -4" indicates that all licenses are currently in use.  This means that all of the keys for a p...

3 days ago | 2

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Answered
License Manager Error -4 が発生します。
このエラーメッセージは、ライセンスサーバーからのすべてのキーがチェックアウトされたことを示します。 該当ライセンスの製品を使用している他のユーザーが、ライセンスをプールに戻すまで、この製品にアクセスできません。 使用されているライセンス情報に関しては、ラ...

3 days ago | 0

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Answered
How can I change where the MDCE service stores its logfiles and worker data?
You can change these locations by editing the $MATLAB/toolbox/parallel/bin/mjs_def.sh (Linux) or mjs_def.bat file (Windows). (w...

3 days ago | 0

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Answered
How to change focused Tab on AppDesigner
For instance, if there are two Tabs on TabGroup, you can capture the Handle for the second Tab by following. >> h =...

3 days ago | 0

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Answered
Why are my MATLAB Parallel Server worker licenses not being released after a job completes or why are my workers continually running when no job is submitted?
When using the MATLAB Job Scheduler, job information is stored on the worker nodes in the form various log files. These log file...

3 days ago | 0

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Answered
How do I install a MATLAB update silently or non-interactively?
It is possible to install updates for MATLAB from a command-line environment. The process requires that the computer in which yo...

3 days ago | 0

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Answered
Does Embedded Coder support instance-specific parameters for top model when generating C++ code?
After discussing the issue with our developers, we came to the conclusion: essentially, the R2018b behavior was a bug. R2019a fi...

3 days ago | 0

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Answered
How can I run MATLAB Parallel Server as a non-root user on Linux?
You can modify the $MATLABROOT/toolbox/parallel/bin/mjs_def.sh file to allow for a non-root user to start and run the MJS proces...

3 days ago | 0

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Answered
Why am I prompted for admin credentials every time I launch MATLAB on Windows?
If you are on a Windows computer that is being prompted for administrator credentials when launching MATLAB, you may not have pr...

3 days ago | 0

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Answered
如何在 Stateflow 中加入信号延时?
在 Stateflow 内部引入延时,可以用 transitions 和临时变量。参考附件: https://www.mathworks.cn/matlabcentral/answers/uploaded_files/1740/delaystate1.m...

3 days ago | 0

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Answered
如何修改 Simulink 模块名字的字体和信号线名字的字体?
在新版本(例如 R2019b)中,对模块或信号线右键,菜单中选择 Format -> Font Style for Selection,然后修改字体、字号。

3 days ago | 0

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Answered
Why do I get the error "The system cannot find the path specified" when starting MATLAB Parallel Server?
This error indicates that you have installed the Parallel Computing Toolbox, but have not installed the MATLAB Parallel Server. ...

3 days ago | 0

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Question


Why do I receive a segmentation violation when starting a worker for the MATLAB Distributed Computing Engine?
I have configured the mdce service on my Red Hat machine and have verified that mdce is running. When starting a worker on the R...

3 days ago | 1 answer | 0

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Answered
Why does the MATLAB Parallel Server status in the Admin Center show as unavailable after I have started the MATLAB Parallel Server services?
This is most likely caused by a DNS issue where the Hostname is not getting resolved. When a connection test is performed an err...

3 days ago | 0

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Answered
有可能用 Simulink 训练神经网络吗?
主要有两种方法来实现: 1.用 MATLAB 语言写 S-function 模块,模块中可以调用深度学习(Deep Learning Toolbox)的函数,从而实现神经网络的学习。 2.有一个非官方的工具箱: https://www.mathwor...

3 days ago | 0

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Question


Why do I receive the error "Invalid maximum heap size: -Xmx%WORKER_MAXIMUM_MEMORY%" in my MDCE log file?
Why do I receive the following error in my MDCE log file? ERROR: Invalid maximum heap size: -Xmx%WORKER_MAXIMUM_MEMORY%

3 days ago | 1 answer | 0

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Answered
Why does validation fail when using the MATLAB Job Scheduler?
The 'Cluster Connection Test' stage verifies that the MATLAB client machine is able to communicate with the headnode run...

3 days ago | 1

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Answered
なぜ、MATLAB Distributed Computing Server にて worker を起動しようとした時、エラーが発生するのでしょうか?
このエラーは、以下のいずれかに該当する場合、発生します 1. Worker がライセンス サーバーからライセンスのチェックアウトに失敗している 2. 起動時に worker プロセスがクラッシュする 3. MDCE サービスの設定に問題がある 上記...

3 days ago | 0

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Answered
Can I submit to a MATLAB Parallel Server cluster that is at a different release number than my MATLAB and PCT setup?
The versions of MATLAB and the MATLAB Parallel Server you have installed must match if you are running R2015b and earlier in ord...

3 days ago | 0

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Question


Why do I receive License Manager Error -4?
When I try to start MATLAB or use a toolbox, I receive the following error: License Manager Error -4 Maximum number of users...

3 days ago | 6 answers | 0

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Question


Is MATLAB supported on Mac OS 10.2.x (Jaguar)?
MATLAB installs and runs fine on Mac OS 10.1 (Puma). However, when I launch MATLAB on Mac 10.2.x (Jaguar), after installing it, ...

3 days ago | 1 answer | 0

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