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Fangjun Jiang


Last seen: Today Active since 2011

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

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MATLAB
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English
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Answered
How to read To Workspace block signal value to App Designer ?
Likely it is caused by this Signal1 = get_param('mymodel.slx/To Workspace1','VariableName') gives you a char array containing t...

ungefär en timme ago | 0

Answered
Stateflow while-logic dead loop
When input==1, you do have an infinite loop, right? Connecting the feedback transition to the bottom junction would resolve it....

ungefär 4 timmar ago | 0

Answered
issues about zero_crossing_types.h during code generate
un-check the "Enable zero-crossing detection for fixed-step simulation" option in the Solver setting? Also, search for "zero-cr...

ungefär 4 timmar ago | 0

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Answered
How to connect Inport Inport or Outport Outport programmatically
Yes. You can! I have done that using the add_line('connect_model','Constant/1','Gain/1') syntax by matching name. You are con...

ungefär 4 timmar ago | 0

Answered
what is that blue block in Matlab is that a subsystem? what is the actual name of that block in Matlab?
It is called an "Area". On the left side of your Simulink canvas, click that "square" icon, below the "Image" icon.

ungefär 6 timmar ago | 0

Answered
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...

ungefär 24 timmar ago | 0

Answered
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...

en dag ago | 1

| accepted

Answered
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...

en dag ago | 0

Answered
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...

en dag ago | 0

Answered
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...

2 dagar ago | 0

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Answered
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 dagar ago | 0

Answered
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 dagar ago | 0

Answered
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 dagar ago | 0

Answered
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 dagar ago | 0

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Answered
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 dagar ago | 0

Answered
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 dagar ago | 0

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Answered
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 dagar ago | 0

Answered
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 dagar ago | 1

Answered
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 dagar ago | 0

Question


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 dagar ago | 0 answers | 0

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answers

Answered
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 dagar ago | 0

Answered
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 dagar ago | 0

Answered
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 dagar ago | 0

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Answered
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 dagar ago | 1

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Answered
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 dagar ago | 0

Answered
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 dagar ago | 0

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Answered
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 dagar ago | 0

Answered
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 dagar ago | 0

Answered
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 dagar ago | 0

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