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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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Dimension 1 is fixed on the left-hand side but varies on the right ([512 x 512] ~= [:? x :?]).
m and n are specified as "Input" to the MATLAB Function block, so their value could vary during simulation although you probably...

2日 前 | 0

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Can folks replicate the discrepancy in the number of model advisor checks between command line and dialog box queries for R2021b and R2022a?
I can see the differences in R2022b. You want to know why they are different, or what exactly are the difference? From the Mode...

3日 前 | 0

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Mask parameters now have compulsory box for alias in property editor. What is it for?
The R2022b online documentation does not seem to match the documentation from the installation. It seems to be a mistake in the ...

3日 前 | 0

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perform interpolation each row of a matrix
You can use interp1() directly for this without for-loop. x=1:10; A=(1:10)'+(1:10); xi=5; y=interp1(x,A',xi)

3日 前 | 0

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About the use of Data Store Memory
From https://www.mathworks.com/help/releases/R2022b/simulink/slref/datastorememory.html "You can use Simulink.Signal objects in...

3日 前 | 0

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Question about toolbox dependencies
I think you've found a bug. Report it to the Mathworks or see if they already reported this. I tried your example in R2020b and...

4日 前 | 0

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Simulink model diverges depending on Stop time (tend)
This is odd and rare but could be explained. First of all, your model or dynamics is probably on the boardline of being unstab...

4日 前 | 0

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Where is the User's Manual?
I would click the "Help" button on the dialog. It should bring up the doc or manual since it is mentioned in the description of ...

5日 前 | 0

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simBiology exported model simulation output not in the same order as `InitialValues`
For a Simulink simulation, there are Inputs, Outputs and States. Usually, only States need initial values. From "exported_mode...

5日 前 | 0

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step function gives Error using step Not enough input arguments.
Not the correct way to use step(). It is used to get the step response of a system, not to get the step input signal. You can u...

5日 前 | 0

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Is there a way to get MATLAB Function name defined in Simulink block programmatically ?
myconfig = get_param(gcb, 'MATLABFunctionConfiguration') and parse the text, you might be able to get it. web(fullfile(docroot,...

5日 前 | 1

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Extract specific values from a 3D matrix?
A(sub2ind(size(A),row_index,col_index))=B For example A=false(6,6,6); row_index=[4, 3]; col_index=[4,5]; B=[true;true]; ...

6日 前 | 0

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Function variables are resolved in the workspace, not a .Simulink.Signal. object
In the MATLAB Function block editor, click menu button "Edit Data", in the "Property Inspector", "Symbols" section, find and sel...

6日 前 | 0

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Output sizes for MATALB function block in Simulink.
It is interesting that you want to do this. Does the solution "B" always exist? How many solutions are there and are there alway...

6日 前 | 1

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Workspace variable and simout
Your question is too generic. It's better to give specific example or block usage. A "parameter" of a block is meant to be cons...

7日 前 | 0

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How to open a saved figure?
If you have the figure saved in a .fig file, I think it should be open('file/subfolder/fighandle.fig')

7日 前 | 0

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Is there a figure tab in desktop matlab (R2022b)?
If you are talking about the "PLOTS" tab, yes it is there. https://www.mathworks.com/help/matlab/learn_matlab/desktop.html

7日 前 | 0

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Can I use another filename instead?
Yes and it's better.

7日 前 | 1

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Array operations on simulink math function for maximum efficiency
Instead of using "For Iterator Subsystem" block and "Math Function" block, I would suggest using the "MATLAB Function" block. ...

10日 前 | 0

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Is there any method to import the ecg samples(.mat file) in simulink and display the signal into the scope
From File block See example model in the doc

10日 前 | 0

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compare 2 consequtive columns ?
data=[3 3 4 4 5 5 6 6 5 5 8 8 9 9 7 7 2 2]; index=diff(data,1,2) index2=any(index) output=sum(index2) OutData=data...

11日 前 | 0

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Get signal lines in a linked library in Simulink
Not sure if "link1.slx" is a model/subsystem or a library, which results in a subsystem reference or a library link. In any cas...

11日 前 | 1

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identifying entry elements in rows of logical matrix
in = [1 1 1; 0 1 1; 0 0 0; 0 1 0]; M=size(in,1); temp=[zeros(M,1), in]; d=diff(temp,1,2); out=(d==1)

12日 前 | 0

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How can we resolve the error caused by - Dictionary entry value class 'DATA.Signal' is undefined ?
It seems like DATA.Signal is a customized class, for example, built on top of the Simulink.Signal class. Or, it could be a class...

12日 前 | 0

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Simulink - 'MaskPortRotation' is read-only?
If it is read-only, then leave it alone. Don't try to set it. Port Location After Rotating or Flipping Mask Parameters

12日 前 | 0

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Can the descriptions of all Model Advisor checks for R2021a be exported to Matlab workspace?
something like this: Model='f14'; open(Model); ma = Simulink.ModelAdvisor.getModelAdvisor(Model); Checks=ma.CheckCellArray; ...

13日 前 | 0

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How to edit .fig (already saved image) in MATLAB?
run "findobj(figld)" and you will see a list of objects. The general idea is to use findobj() to find the handles of the needed...

13日 前 | 0

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Sending episode number to simulink during training
Try the Constant block and specify the value as trainingStats.EpisodeIndex(1). Read the document of the "From Workspace" block t...

13日 前 | 0

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CAN UnPack block not giving signals names specified by the dbc file
Those signal lines need to be labelled (having a name) so then the names can appear in the BusSelector block. I think the "Unpac...

14日 前 | 0

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