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Fangjun Jiang


Last seen: 3 days ago |  Active since 2011

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

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Answered
Simulink Transmission Shift Map
It is possible and you are almost there. You have the logic to check whether the speed is increasing (for up shipt) or else (f...

4 days ago | 0

Answered
fprintf with warning of a lone trailing backslash
Change to fprintf(['\nProcessing folder %s', folderName]); '\n' is fine, it produces a carriage return Just need the '%s' to...

5 days ago | 0

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Answered
Can Simscape models be build programmatically?
I tried this and the block was added. To figure out for other blocks, open the library file, select the block and run "gcb" in M...

6 days ago | 0

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Answered
How to use correctly the "1-D Lookup Table"
Mostly correct. Just need a few settings Press Ctrl+E to open the configuration parameters, set the Solver to be fixed step, di...

6 days ago | 0

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Answered
Read the last row of excel spreadsheet using actxserver
I hope this debug message gives you a clue. K>> Workbook.Sheets.Item(1).UsedRange.Address ans = '$A$1:$AY$83'

11 days ago | 0

Answered
How to make MATLAB run a built-in function instead of a custom function?
Remove that (H: Drive) folder from your MATLAB path, or move it below the (C: Drive) folder that contains that built-in function...

13 days ago | 0

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Answered
How do I tell Matlab to use the proper "range" function?
Run "which -all range". The first one is used. The rests are shadowed, or private which will not affect you. The 'the basic "r...

13 days ago | 0

Answered
How do I copy 2 .slx in 1 .slx ?
The best way is to use model reference. Add two "Model" blocks, each specified as reference to m1.slx and m2.slx The other way ...

13 days ago | 0

Answered
How to get a logical output if all the arrays of a matrix are NAN and the matrix is a string
F=["NA" "NA" "NA" "NA" "NA" "NA" "NA" "NA"]; all(F=="NA")

18 days ago | 1

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Answered
How can I use a variable to set the file name using Simulink's "too file" block?
As for as I know, what you imagined can not be done. In your MATLAB script, you have to modify the parameter of the "ToFile" blo...

19 days ago | 0

Answered
highting single plot among lots of plots on the same figure
Click menu Tools -> Link select one of the ten rows in the pop-up dialog, the corresponding curve will become bold

21 days ago | 0

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How to keep a specific value in binary matrix with column constraint?
N=10; A=eye(N); B=A(:,randperm(N));% shuffle the Identity matrix randomly RandCol=randi(N-1); B(:,RandCol)=B(:,RandCol)+B(:,...

24 days ago | 0

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Answered
grabbing specific rows from matrix
RowSelection=[1 5 13 21 25]; xy_index(RowSelection ,:)

24 days ago | 0

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Answered
How to programmatically rename all instances of a signal/variable in a Simulink model?
It is NOT a signal. Rather, it is a "Bus Element In" "Inport" block. blks=find_system('ModelName','FindAll','On','BlockType','I...

25 days ago | 0

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Answered
Copy file and immediately read in content
In your script, try adding "rehash" after the line where the file is copied. doc rehash Use rehash with no arguments only whe...

26 days ago | 1

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Answered
How do I collect unlinked block or library list.
find_system('ModelName','LookUnderMasks','All','FollowLinks','On','LinkStatus','inactive')

26 days ago | 0

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Answered
How to close a dos window after a .exe is finished running?
I have provided this solution in several cases. You just need to have an empty line with a carriage return in that text file. ...

1 month ago | 0

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Answered
How to get the label name when I enable the property of signal propagation
ph=get_param('PathToTheFromBlock','PortHandles'); get_param(ph.Outport,'PropagatedSignals')

1 month ago | 0

Answered
Is it possbile to protect the code of a matlab live script?
make a p code. doc pcode

1 month ago | 0

Answered
How can I remove this projection from Matlab plot?
Using mesh(), not using meshc(), will not show the contour.

1 month ago | 0

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Answered
How do I compile a simulink model without running it?
See if this is what you need. It is equivalent to manual press Ctrl+D set_param(model,'SimulationCommand','Update')

1 month ago | 0

Answered
In Merge block, For execution of more than one subsystem(Nested If loops) I have an error saying Ensure that the Merge block output is updated by only one of its input signals
You need to re-construct your model. At any time, there should be at most one of the inputs at the Merge block being updated. A...

1 month ago | 0

Answered
Numerical Precision Physics Calculations
eps(5.89e7) It means that around 5.89e7 (which is a large value), the nearest values that can be represeted by double data type...

1 month ago | 1

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Answered
How to Remove Customizatize Simulink Menu items
Most likely, it is added through a sl_customization.m file provided in the third party software . If you know the installation ...

1 month ago | 0

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Answered
Sum: every nth column and groups/blocks of columns
x=magic(12); y=reshape(x,12,4,[]); z=squeeze(sum(y,2))

1 month ago | 0

Answered
Block Error: Loading matlab workspace table data in Simulink model 2-D Lookup Table?
The data in your MATLAB workspace is in an Table object. see class(ELSE2021New). Simulink doesn't recognize this type of objec...

1 month ago | 1

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Answered
i dont understand the matlab fucntion any help ?please
You need to double click that "MATLAB Function" block. It will open in an Editor. There will be MATLAB code in that function. Mo...

1 month ago | 0

Answered
Compatibility of Matlab 2017b S-function C-Code on a HIL D-Space setup that is using Matlab 2017a?
The best way is for you to export R2017b version model to a R2017a version model so your customer can use it. Of course, that re...

1 month ago | 0

Answered
How can I resolve this error ?
You specified input data, but there is no root level input ports, which means no input data is needed. If you've done this manu...

1 month ago | 0

Answered
Creating a simulink signal with Boolean datatype
What you did is correct. However, it may cause error if the incoming signal connected to the Inport block "In8" is not boolean. ...

2 months ago | 1

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