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Fangjun Jiang


Last seen: en dag ago Active since 2011

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

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MATLAB
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English
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Answered
Mask-like editor for all parameters in the Simulink model
At your Simulink model, press Ctrl+H to open the Model Explorer. Click Base Workspace, there you can see all variables and edit ...

6 dagar ago | 0

Answered
Why am I not receiving any ERROR?
I think the station action refers to the default entry and during action, if not specifying the station action type. https://ww...

10 dagar ago | 0

| accepted

Answered
Is it possible to change the Matlab preferences outside the MATLAB?
See the "Tips" section of the page, basically copy and replace all the files. https://www.mathworks.com/help/matlab/ref/prefer...

15 dagar ago | 0

Answered
How can I desactivate Data Type Override option for a Simulink model ?
set_param('MyModel','DataTypeOverride','Off') https://www.mathworks.com/help/fixedpoint/ug/fixed-point-instrumentation-and-data...

15 dagar ago | 1

Answered
How can I resolve this issue when I try to get c code from simulink model?
Re-start MATLAB, delete that .slxc file and try it again. If you can't delete that file, then you have to resolve the folder acc...

15 dagar ago | 0

Answered
Error when using (self created) library block in a model
Follow this. https://www.mathworks.com/help/simulink/ug/parameterized-links-and-self-modifiable-linked-subsystems.html If poss...

17 dagar ago | 0

Answered
[Simulink] How to change the type of the number in "chart"?
In the chart, add a data, specify the scope as "Constant", name it ConstantOne, specify its value and data type. It is a good pr...

20 dagar ago | 0

Answered
Computational time of Matlab Function block in Simulink
Simulink Profiler

21 dagar ago | 0

Answered
无法与所需的mathworks服务通信(错误5201)
https://www.mathworks.com/matlabcentral/answers/1815395-why-do-i-receive-error-5201-unable-to-access-services-required-to-run-ma...

24 dagar ago | 0

Answered
use embedded coder generation my model, it takes too long,At least 8 minutes, maybe more
You can observe the building process. Is it taking a long time for the Command Window to finish flashing all the warning message...

24 dagar ago | 1

Answered
How to validate that one datetime is greater than another
It seems fine in R2022b, R2023b and R2024a a=now; b=now; mustBeGreaterThan(b,a) mustBeGreaterThan(a,b)

ungefär en månad ago | 0

Answered
Struct variables are generated inconsistently with Embedded Coder
That can be explained by the "$N$R$M_T" on the left and "$N$M" on the right for "Global types". "$R" means root model name. "_T"...

ungefär en månad ago | 0

Answered
Why does Simulink "model" function documentation is no longer available after the 22a?
Doc link has been moved. https://www.mathworks.com/help/simulink/ug/simulink-model-command.html

ungefär en månad ago | 1

| accepted

Answered
Simulink considers that an output matrix has variable size when the size is always constant
You have "Ga=zeros(nr,ns)" so the size of Ga is fixed in your mind. But it is not the case for Simulink. Since nr and ns all com...

ungefär en månad ago | 1

Answered
Stateflow output string error
Press Ctrl+H at the model, on the left, navigate to the chart, on the right, click the output data, change its size.

ungefär en månad ago | 0

| accepted

Answered
How to debug a Simulink model that is called from Matlab
This would be difficult. If you do need to debug any issue with the Simulink model simulation, I would suggest you do it separat...

ungefär en månad ago | 1

Answered
scope displays incorrect waveforms
It is a discrete/digital simulation. There is always a time interval (however small) between two values. Turning on Marker at th...

ungefär en månad ago | 0

| accepted

Answered
How does the matrix product block work?
For the [1 2] Constant block, un-check "Interpret vector parameters as 1-D". For your Inport block, specify its Port dimensions...

ungefär en månad ago | 0

Answered
could anyone knows a counter in simulink that counts up and hold value up to max value and then reset to 0.
Not sure what is "hold job to hold value up to 100". But here is the link https://www.mathworks.com/help/simulink/slref/counter...

ungefär 2 månader ago | 0

Answered
How to add a mini-script to the toolbar
https://www.mathworks.com/help/releases/R2023b/matlab/matlab_env/create-matlab-favorites-to-rerun-commands.html

ungefär 2 månader ago | 1

| accepted

Answered
Variable Frequency Ruining Signal in Simulink
Interesting but I think I got the explaination. Everything is correct. You thought something was wrong probably because you mis-...

ungefär 2 månader ago | 0

Answered
Checking the value at a specific point in time with display in Simulink
u<=133, not u=<133. A better way is below. Make sure to set the solver so the simulation can hit the time point.

ungefär 2 månader ago | 1

Answered
Why is it that Line objects can be instances of two different classes? How can I use findobj to detect only chart primitives?
load handleArrays.mat get(hD,'Color') get(hD,'Type') get(hL,'Type') class(hD) class(hD(1)) class(hL) class(hL(1)) class(...

ungefär 2 månader ago | 0

Answered
I cannot evaluate "pauseFcn" callback by using "sim" command
A few things. Try SimOut=sim(). It used to be, that if there is no return variable specified, then the simulation won't log the...

ungefär 2 månader ago | 0

Answered
Test Simulink model with functions running at different sample time.
You need to make your test sequence, function-call trigger, or source signal update rate, etc. be the fast rate (2ms). The slow ...

ungefär 2 månader ago | 0

Answered
Create an array of distinct objects of handle class
As long as uilable() can only create a single object, there is no way to avoid the loop. In arrDir(1:2) = uilabel, the same sin...

ungefär 2 månader ago | 1

Answered
plot the function which is dependent on x, y and z with x, y and z on three axis.
You are asking for the impossible, the visualization of the 4th dimension. I thought it was impossible in three dimentional wo...

ungefär 2 månader ago | 0

Answered
Simulink source commands finding
Use the Signal Editor block https://www.mathworks.com/help/simulink/slref/signaleditorblock.html or in older version, it is ca...

2 månader ago | 0

Answered
Simulink: Mask parameter fails to bind to block port
It is more involved for this task. I hope the attached model (in R2022b) make it easier. In your model, the two inports are cal...

2 månader ago | 0

| accepted

Answered
Stop Simulink Model Update via Callback
Instead of sldiagviewer.reportError(errMsg), if you do error(errMsg), it should stop.

2 månader ago | 0

| accepted

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