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Fangjun Jiang


Last seen: Today 2011 年からアクティブ

What is a model? Professional Interests: Model-Based Development

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Signal name must resolve to Simulink signal object error
uncheck the 'Signal name must resolve to Simulink signal object' for the signal SC_*** the error goes away, like you did. Set S...

約17時間 前 | 0

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Why is microservice able to load 'txt' files from subdirectory but not ".mat" files?
Notice the two backslashes "\\" in the error message about the file? "error":{"id":"MATLAB:load:couldNotReadFile","message":"Un...

約21時間 前 | 1

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Simulink Line connection error
You might need this "Ground" block. https://www.mathworks.com/help/simulink/slref/ground.html Not the "Ground" block from SimS...

1日 前 | 0

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Add column in specific number range to available table
try this A.B(:,1) = randi([400,2970],[1650 1]) understand this. Generate a 3x1 matrix with random interger value that is betwe...

1日 前 | 0

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How to apply App Designer output to Constant of simulink model ?
The workspace value is compiled/built for simulaiton only once when the model is initialized. It will not be updated to the mode...

1日 前 | 0

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Deal with Closed MATLAB Executable and Windows command line
Based on the error message, it seems that "input1" is passed to the app when you run it in command line my_app_name input1 inpu...

2日 前 | 0

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sinusoidal elevation wave with time
Maybe this example gives you an idea? t=0:0.01:20; f1=1; y1=sin(2*pi*f1*t); f2=0.05; y2=sin(2*pi*f2*t); y0=y1.*y2; figure...

3日 前 | 0

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How can I put an output from the display function in a table?
Create a table, fill the data and display it. doc table

3日 前 | 0

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How to use integer or other datatype condition in if Block, Simulink?
Try this, Use a Relational Operator block where you can specify any data type for the inputs. Specify the output data type as bo...

4日 前 | 0

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i'm using bus selector block but once i add 4 or more signal, it is showing only one output.
Un-check the "Output as virtual bus" option at the dialog? https://www.mathworks.com/help/simulink/slref/busselector.html

7日 前 | 0

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How do I change the properties of an Enum stored in a data dictionary programmatically?
Follow this? https://www.mathworks.com/help/simulink/ug/store-data-in-dictionary-programmatically.html

9日 前 | 0

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Simulink Solver Settings Doubt
You could do experiments to find out why. Use To Workspace block with -1 as sample time to log the inputs. Run simulation with d...

9日 前 | 0

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error using mex function.
Follow this and make sure you got the correct version. https://www.mathworks.com/matlabcentral/answers/313298-i-already-have-mi...

10日 前 | 1

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List all the ports of a subsystem and it's data types
This answer should also apply to a Subsystem block. https://www.mathworks.com/matlabcentral/answers/95626-how-do-i-query-the-da...

10日 前 | 0

質問


How to enforce guidelines regarding the use of Generative AI on MATLAB Answers forum?
First, I felt that the three answers provided by a user in this thread might have been generated by AI. How do you think? https...

13日 前 | 0 件の回答 | 0

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in this simulation model, how can i resolve the shown error, due to capacitor (shown the parameters)
In the error message, the variable 'v' refers to the parameter voltage under "Initial Targets". It seems like you need to check ...

14日 前 | 0

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Calculation of RMS like dc signal for a sinusoidal signal using Simulink algorithm
The RMS Measurement block? https://www.mathworks.com/help/sps/ref/rmsmeasurement.html

14日 前 | 0

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How to set and get value for a Data Store Memory.
See if this helps. https://www.mathworks.com/help/simulink/ug/using-global-data-with-the-matlab-function-block.html

15日 前 | 0

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Use an 'auto' variable from the script in the matlab to simulink solver
Yes. This is a problem. A Mathworker might be able to explain why it is done this way. I can provide a workaround solution. In ...

15日 前 | 1

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How to load justification file in Model advisor, Matlab R2022b?
For R2022b, it's here. https://www.mathworks.com/help/releases/R2022b/slcheck/ug/_mw_584cd3da-fd76-45a5-9459-0edc715a08e6.html

17日 前 | 0

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get_param(confgset, 'SampleTime') does not return any value...
Your lucky guess stopped at three. It is not called 'SampleTime'. You are probably looking for 'MaxStep'. https://www.mathwork...

20日 前 | 0

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How to plot from a specific point?
Use line(), you need to put the data in the right format. See help document Vector=[20;50;0]; Traslacion=[10;-15;10]; d=[Tras...

21日 前 | 0

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How to turn off and turn on PWM signal?
Generate the PWM signal that is always on. Its period or width could all change as needed. Generate another pulse signal. This ...

22日 前 | 0

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Function Trigger as input to sub-system to be simulated via MIL Testing (spreadsheet)
Function trigger (Function-Call) can be fed to a subsystem. It does not matter whether the simulation is MIL, SIL or HIL. It doe...

22日 前 | 0

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How to auto-adjust the subsystem height to make the spacing between adjacent ports consistent?
I had this problem before. I didn't find an exact formula. I suggest not looking at the previous height. Just use this formula t...

22日 前 | 0

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want to save data from simulink, but receive "The file name is invalid because it does not have the extension ".mdl" or".slx"."
sim() runs a Simulink simulation. Model name should be *.slx or *.mdl, not *.xlsx. Variable 'Out1' and 'B' are not defined in y...

22日 前 | 0

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I have a Sample and Hold block inside a Resettable Subsystem and it is not resetting.
The "Latch (buffer) input" has to be checked to see this effect. I think the reason is due to the execution order. The SH block ...

24日 前 | 0

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Storing of Array in Simulink
Unless necessary, you don't need a Data Store Memory block to "store" an array. A Constant block can store the 10x4 array. Its...

24日 前 | 0

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add element in table
You should check size(ff(end,:)). I assume it has 4 columns.

27日 前 | 0

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