MathWorks Support Team

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Why does converting my subsystem to an S-function with Real-Time Workshop introduce an algebraic loop?
The algebraic loop added to the model is a false algebraic loop. This addition is a limitation related to how Simulink handles a...

3 días hace | 0

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Why do IP addresses from a HOST_GROUP in my options file access the wrong license?
This issue is caused by a bug in the network license manager.  This bug has been reported to Flexera, the makers of FlexNet...

3 días hace | 0

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Where can I find information about serial communication using Simulink Real-Time?
Information about using serial communication with Simulink Real-Time and Speedgoat serial I/O modules is available in the attach...

3 días hace | 3

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Why is my options file being ignored after using lmreread?
The lmreread utility causes the license server manager to reread the license file and start any new vendor daemons that have bee...

3 días hace | 0

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Why do I receive "Could not access MCR Component Cache " when running an executable on the deployment machine?
The problem occurs when the mcrCache is corrupted. Set the "MCR_CACHE_ROOT" to a directory which has all the permissions. Use th...

3 días hace | 0

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How can I run an Excel macro from MATLAB?
One way to invoke an Excel macro from MATLAB is by launching Excel as a COM server from MATLAB using the 'actxserver' command. ...

3 días hace | 2

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Why am I prompted to update my license file when I start MATLAB?
MATLAB will ask you to update your license file when validation status is overdue, or when there is a conflict between the activ...

3 días hace | 0

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Why do I receive a "MULTIPLE "MLM" servers running" error when in the log file?
This may occur if there is a hung MLM vendor daemons running on the license server. The network license manager does not allow m...

3 días hace | 0

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How do I control the generation of default cases for switch statements in code built from Stateflow charts?
The Suppress generation of default cases… configuration option was introduced in R2011b. Prior to that release, a default case w...

3 días hace | 0

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How can I tell what version of Network License Manager I'm using?
To determine the version of Flexlm you presently have, run a status command on the network license manager. The directions on ho...

3 días hace | 0

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Why does MATLAB start up slowly when using McAfee Anti-Virus?
If you are using McAfee Anti-Virus, make sure you set the "Files to Check" field to "Check program files only" and NOT "check AL...

3 días hace | 1

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Why am I receiving an error stating "The procedure entry point CancelIOEx could not be located in the dynamic link library KERNEL32.dll" when starting MATLAB?
MATLAB R2015b and later is not supported on Windows XP. If you cannot upgrade to a newer version of Windows, please use MATLAB R...

3 días hace | 3

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Is running 32-bit MATLAB on a 64-bit platform supported?
Windows MathWorks fully supports running 32-bit MATLAB on 64-bit Windows as of MATLAB R2010a. Even prior to R2010a thi...

3 días hace | 2

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How does User Account Control (UAC) in Windows Vista and higher impact MATLAB usage?
The User Account Control (UAC) feature can impact the ability of MATLAB and other products to appropriately update system and gl...

3 días hace | 0

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Why is graphics rendering slow on parallel workers?
MATLAB parallel workers do not launch a GUI and are not associated to a display. Therefore they are unable to make use of OpenGL...

3 días hace | 0

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Can I use my network license when I am remotely connected to the license server?
A network client requires reliable communication to the license manager over two TCP ports. This communication can be routed thr...

3 días hace | 0

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How do I import the command history from one version of MATLAB to another?
Since MATLAB R2014a, the command history is saved in “history.xml” file and in the versions prior to R2014a, the command history...

3 días hace | 3

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How can I check if I have read or write access to a directory?
The "fileattrib" function is written as a wrapper for the DOS "attrib" command on Windows. "attrib" cannot do all the operations...

3 días hace | 0

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How to use Timer Callback in App Designer?
In order to use the Timer Callback in App Designer, please follow the rules as follows- 1. Update the callback function si...

3 días hace | 6

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Does MATLAB Student Version license have Auto Renewal and will my credit card be charged automatically?
The auto renewal option is not available on our website. Also, when a student purchases a Student Version Li...

3 días hace | 0

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What does the "nonlinear iteration is not converging" error mean?
This can mean that one of the signals in your model is diverging to plus or minus infinity or is otherwise changing too rapidly ...

3 días hace | 1

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Why does the installer GUI show up when trying to go through a silent installation?
Please input the full path of the installer properties file so that the file gets read properly. The command should look somethi...

3 días hace | 1

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Why do I get Error "No licenses available for toolbox file <filename> Compilation terminated" error when using variables in unreachable/dead code?
This happens because the variables in the dead code are considered as function names. In this particular case blp is unreachable...

3 días hace | 1

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Generate custom "New Script/Function" template
1) The preferred method is the following: You can use the API listed below to create a new document with pre-populated text: &g...

3 días hace | 5

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Why do I get a communicating with MATLAB error while trying to connect to my MathWorks Cloud account while using MATLAB Mobile?
This issue can occur when a particular session in MATLAB Online is too large, thereby causing MATLAB Mobile to time out. In orde...

3 días hace | 0

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Why does MATLAB comparatively run slower on my machine with higher cores?
The reason the "stronger" or "better" multi-cored machine is performing comparatively worse is primarily due to a lack of data p...

3 días hace | 1

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Why do I receive the log file entry "Invalid Security Token" when trying to install MATLAB or another product?
This error indicates that your network uses a proxy server, but the connection settings have not been entered into the installer...

3 días hace | 0

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Why does Polyspace get stuck on the loading screen during startup?
In this instance, doing a clean reinstallation of Polyspace seems to have resolved the issue. May be a result of a corrupt insta...

3 días hace | 0

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Why am I unable to run setup.exe from an ISO file?
In order to install MATLAB from an ISO file the ISO file must be extracted or mounted. If you attempt to run the MATLAB installe...

3 días hace | 0

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Why am I getting an error saying Simulink cannot determine sizes for a MATLAB Function block?
The Diagnostic Viewer may show several different error messages referring to a MATLAB Functon block in your model:  (1) Sim...

3 días hace | 4

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