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Fangjun Jiang


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

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Respondida
I am trying to reset the Extended Kalman Filter block in Simulink and cannot see a way to do this.
The built-in block does not have this functionality. You can create your own based on this built-in block. The states (x) are d...

1 día hace | 0

| aceptada

Respondida
Writecell/table to Excel error
You might have a different writetable.m >> which -all writetable.m C:\Program Files\MATLAB\R2025b\toolbox\matlab\io\tabular\io...

4 días hace | 0

Respondida
How to draw a line or a rectangular on a figure in R2025b
Select "Line" and "Rectangle" in Toolstrip, Labels and Annotation, Annotation

4 días hace | 0

| aceptada

Respondida
addpath and genpath duplicating the first part of chosen path
try this example to understand the warning message in related to your input. addpath("xyz")

17 días hace | 0

Respondida
What can be modified with no rebuild in rapid accelerator mode?
In general, if the values of those blocks are defined in variables and they are specified as tunable, then it does not require r...

22 días hace | 0

| aceptada

Respondida
Facing problem with plot function
plot it with a marker, e.g. plot(Strain, Load,'+')

23 días hace | 0

Respondida
How to use Coder to generate generic C code?
https://www.mathworks.com/help/coder/ref/coder.embeddedcodeconfig.html

alrededor de 1 mes hace | 0

| aceptada

Respondida
how to instruct embedded coder to add inline directive to generated function from slx file.
Assume the function is corresponding to an atomic subsystem block in your model, select this block, right click, select "Block P...

alrededor de 1 mes hace | 0

Respondida
Assignment vehicle model longitudal
"tout" is the time ouput variable created after a successful simulation. In your model, press Ctrl+E, make sure these two opti...

alrededor de 1 mes hace | 0

Respondida
The RS FlipFlop in the Simulink library is not working properly.
Double click the block, click "Help" to bring up the document. It says when S=1 and R=1, both Q=0 and !Q=0, and this should be ...

alrededor de 1 mes hace | 0

Respondida
Invalid dimension specified for input port.
Change the gain parameter of the feedback Gain block. Make it 3 values or 1 value.

alrededor de 1 mes hace | 0

Respondida
How to share the same Referenced Configs on Multi-rate systems
I think you can use Model Reference, not Subsystem Reference.

alrededor de 1 mes hace | 0

| aceptada

Respondida
"diff" function doesn't work properly with small numbers
The data value and results make sense. There is no problem using diff() to process your data based on your example data. %% f...

alrededor de 2 meses hace | 0

Respondida
How to use signal name as variable name in generated code
Double click the signal line and set the signal name as 'x'. That might be sufficient for your need. Currently, the 'x' shown i...

alrededor de 2 meses hace | 0

Respondida
Programmatically select value in a list box
should be controlHandle.setSelectedItems(selectedItems)

alrededor de 2 meses hace | 0

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Respondida
How to create a duplicate test case programmatically, just like copy/paste in the test manager under the same test suite.
https://www.mathworks.com/help/releases/R2021b/sltest/ref/sltest.testmanager.copytests.html

alrededor de 2 meses hace | 0

| aceptada

Respondida
Find position of cell array within another cell array or table or in a structure
Something like this? data={{'Littleport'},{'West River'}}; EndNodes={{'Bigport'},{'West River'}; {'Littleport'},{'West Ri...

alrededor de 2 meses hace | 0

| aceptada

Respondida
Unrecognized method, property, or field 'elements' for class 'Simulink.Bus'.
It should be .Elements with the capital "E". It might be that in the older version, it was not enforced to match the case betwee...

alrededor de 2 meses hace | 1

| aceptada

Respondida
exportgraphics does not save exactly what I see in the plot
print('-image','-dpdf','example.pdf') or exportgraphics(gcf,'example.pdf', 'ContentType', 'image')

alrededor de 2 meses hace | 0

| aceptada

Respondida
How to wait for an available license for Polyspace Bug Finder/Code Prover Server
I think you can use license(). status = license('test',feature) [status,errmsg] = license('checkout',feature)

2 meses hace | 0

Respondida
msgbox body text does not show up
I use waitbar() for this purpose. It could be fancy but don't over-done it. f=waitbar(0,'in progress','Name','My App'); for k=...

2 meses hace | 0

Respondida
Help with exporting variables from function to workspace to then run in simulink file
You will need to use assignin('base','Vth_MOSFET',3.8) etc. to make this work. Your current code assigns the variables and the...

2 meses hace | 0

Respondida
How do I programatically change a existing container type of a mask
Try if you can play with this further, between "Group" or "Table" >> maskobj=Simulink.Mask.get(gcb); >> controls = maskobj.get...

3 meses hace | 0

Respondida
How to prevent implicit promotion from single to double when using CAN Pack block?
This code is likely coming from an implicit "single" to "int32" data type conversion operation, as the data value range of a "si...

3 meses hace | 0

Respondida
Spooky Graphed Data?
a=plot(1073741820:1073741829); datatip(a); c=a.DataTipTemplate; c.DataTipRows(2).Format c.DataTipRows(2).Format='%d';

4 meses hace | 0

Respondida
Programatically create a new Stateflow chart inside an existing subsystem
Use below to add a new Stateflow chart block and then use Stateflow API. add_block('sflib/Chart','MyModel/MySubSystem/MyChart')...

4 meses hace | 3

| aceptada

Respondida
how to define the input for the simulink unpack blcok
Do you see the text on the block? There is a .dbc file. There is a message ID. There must be such a .dbc file that you use to c...

5 meses hace | 0

| aceptada

Respondida
where is the Simulink extras library/folder
In the Simulink Library Browser, it is towards the bottom of the list. "Simulink Extra". You can also run "simulink_extras" in ...

5 meses hace | 0

Respondida
Simulink 2022b "Replace data types in generated code" does not change code generation for ert_shrlib
You need to set up the replacement name. You can choose to specify new data type names for some or all Simulink® built-in dat...

5 meses hace | 0

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