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MathWorks

Last seen: Today |  自 2011 起处于活动状态

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已回答
Arduino Hardware Support Package Log4j CVE-2021-44228 Vulnerability
We are aware of this vulnerability. The issue arises from use of the third-party Arduino toolchain and IDE that is required by o...

3 years 前 | 0

已回答
Apache Log4j Vulnerability CVE-2021-44228 - How does it affect Matlab run time?
MathWorks has published the following in the Trust Center (version 3 of 2021-12-18): MathWorks Response to CVE-2021-44228 and C...

3 years 前 | 1

已回答
Apache Log4j Vulnerability CVE-2021-44228 - How does it affect Matlab?
MathWorks has published the following in the Trust Center (version 3 of 2021-12-18): MathWorks Response to CVE-2021-44228 and C...

3 years 前 | 4

| 已接受

已回答
Unable to find an unused TCP/IP port to connect to the rapid accelerator target for model
Other users have reported that this error message seems to appear due to permissions they had on a certain network drive. So as ...

7 years 前 | 0

已解决


Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

12 years 前

已解决


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

12 years 前

已回答
xpcimports.h not found error when compiling a Simulink Model with s function
Please try to run any of the shipping demos in xPC Target, e.g. >> xpctank Does this build fine? According to the repr...

13 years 前 | 0

已回答
Startup MATLAB warning occurs -Djava.class.path=C:\
This issue might be related to a <http://bugs.sun.com/bugdatabase/ view_bug.do?bug_id=4403166 bug> in Java for Windows: The ma...

13 years 前 | 0

已回答
How do I put pictures of the button ??
Not sure if I correctly understand the question. If you want to put pictures on UIcontrols, e.g. buttons, then refer to <http://...

13 years 前 | 0

| 已接受

已回答
XPc target freezes on serial communication (RS 422 / Rs 232)
I would recommend that you get in touch with MathWorks Technical Support in order to troubleshoot the issue, even if you haven't...

13 years 前 | 0

已回答
Expert help needed in solving license manager 96 error
<http://www.mathworks.de/support/solutions/en/data/1-18EJN/index.html Solution 1-18EJN> contains some information to troublesh...

13 years 前 | 1

已回答
Initial zero value of every variable in Simulink
You might use Initial Condition (IC) blocks from the Signal Attributes sublibrary in Simulink. Those blocks allow you to specify...

13 years 前 | 0

| 已接受

已回答
can i download the code samples used in webinars?
If the demos for a webinar are available, then usually they get posted to the FileExchange page: <http://www.mathworks.com/matl...

13 years 前 | 1

已回答
Problem with MATLAB Function block in Simulink
The "To Workspace" block is indeed not able to write directly into some structure. If you need the data as part of the structu...

13 years 前 | 1

已回答
How to make static variable in Simulink
You could use a masked subsystem and just have the block instance number n as a parameter. Then in the mask initialization funct...

13 years 前 | 0

| 已接受

已回答
Embedded MATLAB C-code generation error
Release 2009a is the first one that officially supports the Microsoft Visual C++ 2008 Express Edition on Windows 64bit for Embed...

14 years 前 | 0

已回答
Import Excel Table and RealTime Workshop
I am not sure which possible issues you had in mind? However, when you generate the code with Real-Time Workshop, then the numbe...

14 years 前 | 1

已回答
Changing Simulink Graph axis
The Simulink <http://www.mathworks.com/access/helpdesk/help/toolbox/simulink/slref/xygraph.html XY Graph> block might help for t...

14 years 前 | 2

| 已接受

已回答
loop algebraic and variable signal
As the error message states, the iterative solver for algebraic loops is not able to solve the loop in your system because it in...

14 years 前 | 1

已回答
build a output.dimension since inputport.data
I think this is not possible. The signal dimension of an S-Function port needs to be set during the initialization phase of the ...

14 years 前 | 0

已回答
Including compiled matlab embedded function to compiled simulink model for xPC Target application
You can consider using model reference. The Model Reference feature allows incremental build of a model, so just the the parts o...

14 years 前 | 0

已回答
dll need for executable?
For running an executable that was created with MATLAB Compiler you need to install the MATLAB Component Runtime (MCR) on the ta...

14 years 前 | 0

已回答
Time conversion question
I would use the datenum() function to convert your time stamps to a serial date _(see "doc datenum" for details)._ Then I would ...

14 years 前 | 0

已回答
How do I use EVALIN to call a function and access variables from a workspace?
For evalin() ws needs to be a string. Options are 'base' or 'caller' to denote the MATLAB base workspace or the workspace of the...

14 years 前 | 0

已回答
executable file without supporting file?
The executable that you created with MATLAB Compiler requires some runtime libraries. In MATLAB 6.5 (R13) there was a mglinstall...

14 years 前 | 0

已回答
SFunctions and Object Handles
Although I never tried it with a handle to an object, I think this should work. I tried passing a figure handle from one block t...

14 years 前 | 0

已回答
Step size error when simulating with SimPowerSystems
The "Choosing an Integration Algorithm" section of the SimPowerSystems documentation contains some hints on which solver paramet...

14 years 前 | 0

| 已接受

已回答
String Length
Your input variable is a cell array. Each string is an element in that cell array and so length reports 2, because you have 2 el...

14 years 前 | 2

| 已接受

已回答
Simulink host SCI blocks (C2000)
The documentation of the Target Support Package has an example model "HIL Verification of IIR Filter via SCI". You can bring up ...

14 years 前 | 0

已回答
Matlab JA builder, run Matlab code from Java application
The MATLAB Builder JA documentation contains a few examples on how generate a compoinent from MATLAB code as well as how to inte...

14 years 前 | 0

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