Fangjun Jiang
What is a model?
Professional Interests: Model-Based Development
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Contribute at least one answer each month for 36 consecutive months
Awarded to Fangjun Jiang on 04 Mar 2020
Answer 10 questions that were unanswered for more than 30 days
Awarded to Fangjun Jiang on 17 Oct 2019
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Awarded to Fangjun Jiang on 09 Oct 2019
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Awarded to Fangjun Jiang on 20 Jul 2017
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Content Feed
Selecting multiple array elements
n = 10; A = zeros(n); B = A; k = [1 1; 2 3; 4 5; 1 8; 8 6]; A(k(1,1),k(1,2))= 1; A(k(2,1),k(2,2))= 1; A(k(3,1),k(3,2))= 1;...
environ 5 heures ago | 0
| accepted
Difference between matlab ss function and Simulink State-Space block
https://www.mathworks.com/help/control/ref/lti.lsim.html There are limited number of settings when calling lsim(sys,u,t,x0,meth...
environ 7 heures ago | 0
Programmatically get propagated datatype of a block
Something like model([], [], [], 'compile') get_param('BlockPath','CompiledDataType') model([], [], [], 'term') You can use ...
1 jour ago | 0
Create a time vector
My answer to your previous question is the answer. Just change seconds(1) to seconds(1/fs) https://www.mathworks.com/matlabcent...
5 jours ago | 0
Create Structure from cell array with dot separation in string
If your question comes down to whether "em1500.eta_t.x" can be made a field name, then the anser is No. It is an invalid field n...
5 jours ago | 0
Create a time array
val=['17-10-58_086' '17-11-09_923'] StartEnd=datetime(val,'InputFormat','HH-mm-ss_SSS') TimeVector=StartEnd(1):seconds(1)...
5 jours ago | 0
Simulink model not plotting my Sine
I understand this might be just an exercise to learn Legacy Code Toolbox and S-function, but there are a couple of things wrong ...
5 jours ago | 0
| accepted
Why Unrecognized function or variable 'set_point'?
The variable that you are looking for, "set_point",is in "out.set_point". So, in your code, replace "set_point" with "out.set_p...
5 jours ago | 1
How to press any key to continue after running a command prompt
This is an old technique. Run command as TDF2CSV.exe file2convert.TDF << Dummy.txt where Dummy.txt is a text file which contai...
7 jours ago | 0
why I'm getting error in MATLAB function block coding showing that parse error?
Change the last line [d1 d2] = [Po P1ref] to d1 = Po; d2 = P1ref; or [d1 d2] =deal(Po, P1ref)
12 jours ago | 0
How to find a user based on full name and eight digit number
On this page, click "More" and then "Contributors" On that page, the serch box is for "Search Contributors". Type in "per isak...
12 jours ago | 0
Reset Repeating Sequence Block
If you look inside the mask of the "Repeating Sequence" block, you will see it is built on top of the 1-D lookup table. To achi...
13 jours ago | 1
| accepted
"brake" not working in Matlab 2021b - is there a fix or work around?
"break", not "brake"
15 jours ago | 0
Href hyperlink, how to escape double quotes " ?
knowing double('"') char(34) This leads to the following, which works out properly disp('<a href="matlab:system([''explorer....
15 jours ago | 0
| accepted
how to extract n elements from a vector and store them in a matrix
a = [3 6 0 3 8 4 9 1 2 4 9 3 2 5 7 0 1 2]; b = [5 6 5 3 1 3 8 2 2 3 5 7 1 2 6 1 6 7]; c = [0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0...
15 jours ago | 3
which is the right syntax with find_system and blocktype
Using 'sm_lib/Joints/Weld Joint' for block type is incorrect. To find it out, do it manually first. Select the block, run get_pa...
15 jours ago | 0
Merge bits on a byte simulink
Drop 8 Constant blocks, each is specified as "true" or "false". Use a "Vector Concatenate" block to make it 8x1 vector, then fee...
19 jours ago | 1
| accepted
How can I get the full path of my current *.mlapp file?
I think you can implement this in your code. Search for the .exe file or .mlapp file using exist('', 'file'), use which() and f...
19 jours ago | 0
imoiHow do i input a matrix from mfile to simulink?
From Workspace block There are examples in the link.
20 jours ago | 0
How to set global variables for simulink with matlab functions
The link is document for R2022a. You have R2017a. Open your MATLAB Function block Editor, click the "Edit Data" button.
21 jours ago | 0
| accepted
How can i assure the same ode45 solver settings for Matlab and Simulink?
Choose whatever the proper settings for solver in Simulink, run simulation and save the simulation time data (through model conf...
25 jours ago | 0
How to pass mask parameters in a child Matlab function ?
For those yellow blocks or any of the typical Simulink blocks, there is a block parameter dialog, where you can specify a variab...
26 jours ago | 0
| accepted
"Cannot find state N in the given variable." Error when trying to start a simulation using previously saved states.
set_param(model, 'LoadInitialState', 'on') just turns on that checkmark, you need to provide the variable for the initial state....
26 jours ago | 0
How can I convert a n*m matrix with its typical form to a linear form of 1*(n*m) one with comma between all elements and semicolon after each row is finished?
mat2str() but the output is a string
26 jours ago | 1
How do you sum a signal in Simulink?
https://www.mathworks.com/matlabcentral/answers/1736595-cumulative-sum-in-simulink
27 jours ago | 0
| accepted
Cumulative sum in Simulink
For continuous system, feed your signal to an Integrator block. For discrete system, add your signal with the output of a Unit ...
27 jours ago | 0
How to create a running window inside simulink model in MATLAB/Simulink that can take some sample of input data at every 0.05 sec time instance & feed to the MATLAB program ?
This is the fundermental basic of the Simulink simulation. If nothing is constrained, set the solver to be discete, with fixed ...
27 jours ago | 0
Storing workspace variables that match the specified regular expressions.
see "doc whos" s=whos('-regexp','^ex_[1]*|^i.\d+')
28 jours ago | 0
| accepted
How can I access to the Model Workspace from my Simulink file from a Matlab function block
In the MATLAB Function block, click "edit data", add a data "MyVar", specify it as a "parameter" of the MATLAB Function block. ...
29 jours ago | 0
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