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Fangjun Jiang


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3,002 total contributions since 2011

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Professional Interests: Model-Based Development

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Answered
Using dynamic workspace arrays as Matlab function input/output
Use vector signal between part 1 and part 2. No need to use memory block. Use Unit delay to resolve algebric loop if needed. Us...

16 hours ago | 0

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Answered
Getting output data from Simulink
The different size of the logged data is caused by the variable-step solver. To get a consistent and fixed size log data, use a ...

18 hours ago | 1

Answered
Create a block table using script
This inner loop does not make sense. for i = getBlock(n, 1) tableStruct = struct(get(i), 'Name'); end...

1 day ago | 0

Answered
Sine Wave not recognize with find_system
The 'BlockType' for the "Sine Wave" is 'Sin'.

1 day ago | 0

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Answered
Force Simulink Coder to regenerate code and rebuild a model
rtwbuild('rtwdemo_mdlreftop','ForceTopModelBuild',true)

1 day ago | 1

Answered
How can I open the Code-Generation Report of the hdlcoder
See this Q&A. https://www.mathworks.com/matlabcentral/answers/278856-how-do-i-open-the-code-generation-report-after-it-s-been-c...

5 days ago | 0

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Answered
sim('') command with supressed ";" still displays a variable on command window (it's spamming it)
You need to go to your Simulink model to find the source of the assignment line "y=something" where ";" is not present. It could...

5 days ago | 0

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Answered
Can one define a "directory" as a "variable"?
directory='c:\myfolder'; filename='myfile.xlsx'; readtable(fullfile(directory,filename));

9 days ago | 0

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Answered
What is the ID of styecheck jc_0803 ??
MA check for jc_0803 in introduced in R2020a. See at the bottom of the link. https://www.mathworks.com/help/releases/R2020a/sim...

9 days ago | 0

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Answered
How can find all stateflow objects which used function?
If you use "MATLAB action language" in your chart, then the floor() function is the same as the floor() function provided by MAT...

9 days ago | 0

Answered
Check that point doesnt lay on line in Simulink block diagram
Checking whether a point lays on any existing line will be very difficult. The answer to the OP's question seems to be utilizing...

9 days ago | 1

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Answered
How to count the amount of times a specific number appears on an output wave?
Compare your signal with the value of 2, if greater than 2, output true, otherwise false. The output is a square wave. Use this ...

10 days ago | 0

Answered
Syntax error in Simulink
Define a set of example value for u(1) to u(7) in MATLAB, copy and past your expression picece by piece in small parts and execu...

11 days ago | 0

Answered
Format output with constant display values
%% X2=5.6; period=60; fprintf('2*pi*%g/%g\n',X2,period);

12 days ago | 0

Answered
Tic, Toc Behavior
for the sake of fair comparison, the code below should give you reasonable results %% TicTocLoop=0; TicTocValue=0; for i =...

13 days ago | 0

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Answered
How to load a cell array into a Simulink model?
According to this: Data Types Supported by Simulink, neither "cell array" nor "function handle" is mentioned. I don't know how y...

15 days ago | 0

Answered
My simulink model seems to not receiving proper variables from workspace or not returning proper value to workspace.
I am trying to find the document link but could't. I thought it was in "doc sim". The problem could be explained by the way sim...

19 days ago | 0

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Answered
Simulink library missing from browser
Run these two lines in Command Window. What did you get? ver simulink open simulink.slx

20 days ago | 1

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Answered
How to create/access and update global variables in Simulink using Data Store Memory block
Follow the example here. https://www.mathworks.com/help/releases/R2020b/simulink/ug/using-global-data-with-the-matlab-function-...

20 days ago | 0

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Answered
Programmatically make library targetlink compliant
I used to have it. I believe the command is tl_prepare_system(). See the document in your TargetLink installation.

20 days ago | 0

Answered
Access Simulation Time in Simulink Model
The Clock block provides the time.

20 days ago | 1

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Answered
PAUSING on function call - matlab
The call of another function might be dependent on a particular condition inside this function. So it is not ideal or practical ...

21 days ago | 0

Answered
How to draw only a part of a known curve?
x=1:0.1:10; y=sin(x); index=and(x>3, x<6); plot(x(index),y(index))

22 days ago | 0

Answered
Simulink signal sequence from Matrix with feedback input
Have a logic to determine if the output value meets a target value (within threshold or steady state for a period of time), outp...

22 days ago | 0

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Answered
fopen just works inside of a loop
Whatever data you need from the text file, you could read it once, store it in a variable and use it in the loop. You wouldn't d...

23 days ago | 0

Answered
Simulink function to detect Step time
Use the rising edge of the step signal to trigger a triggered subsystem, which contains a Clock block. When it is triggered, it ...

23 days ago | 1

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Answered
Matlab Function, switch case Problem
This is a floating-point data equal or non-equal comparision problem. Do this to get an idea. >> 1-1/3==2/3 ans = logical ...

23 days ago | 1

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Answered
Activation Date and the Validation Date
I used to have this type of license. Apparently, Mathworks periodically "validate" the license, just to make sure everyone is ho...

27 days ago | 0

Answered
How does one make clickable links to execute MATLAB commands from Simulink?
Run 'sl_subsys_semantics' in Command window to open the example model. Any block can be double clicked to open another model. Ri...

27 days ago | 0

Answered
PID Control: Varying saturation range?
Saturation Dynamic

28 days ago | 0

| accepted

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