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Fangjun Jiang


2.249 total contributions since 2011

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Professional Interests: Model-Based Development

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Answered
is it possible to declare customized units for Simulink Parameters?
You can put in any string for unit in this dialog (ignore the dropdown selection list). It will be just a text for one of the pr...

etwa 4 Stunden ago | 0

Answered
how can choose the solver parametres?
If you hover your mouse cursor over the text (for example, Fixed-step size), a popup text give you a brief description. You can ...

ein Tag ago | 0

Answered
I want to generate pulses as described in the image
Use the "Repeating Sequence" block to generate the saw tooth wave, then compare it to constant 0.5 and -0.5.

ein Tag ago | 0

Answered
loaded file is pathname
Increase the width of the "Value" column, you will see the full string. Or type "XMLFile" in Command Window.

ein Tag ago | 0

Answered
For Loop Iterator Not working as expected.
You need to understand the difference between simulation steps and iteration steps. It looked like you ran simulation for 20 sec...

4 Tage ago | 0

Answered
For Iterator Block Not present in Library , Any Idea ?
I looked and my library is the same as yours. The "For Iterator" block can't be used alone anyway so I don't think this is an is...

4 Tage ago | 0

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Answered
changing diagional values with different values
n=5; a=magic(n); b=a; index=sub2ind(size(a),1:n,1:n); b(index)=0; s=sum(b,2); b(index)=s;

5 Tage ago | 0

Answered
Loading and saving huge matrices in Simulink
Can't use .mat file? Try Simulink Data Dictionary.

6 Tage ago | 0

Answered
Sum variable size chunks in array
B=mat2cell(A,size(A,1),v); C=cellfun(@(x) sum(x(:)),B) or should be this B=mat2cell(A,size(A,1),v); C=cell2mat(cellfun(@(x) ...

6 Tage ago | 0

Answered
Run simulink until trigger
Use the "Stop Simulation" block in Simulink->Sinks

8 Tage ago | 0

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Answered
replace with nans after condition
A(A<0.15*A_max)=nan

8 Tage ago | 0

Answered
Coder - Create constant for specifying array size
Please refer to the document Code Generation for Variable-Size Arrays web(fullfile(docroot, 'simulink/ug/what-is-variable-size...

10 Tage ago | 0

Answered
Why can't i create graph with two matrices in SIMULINK?
Not sure what is the block type for the bottom one, FromWorkspace? Anyway, you need to understand the difference between MATLAB...

11 Tage ago | 1

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Answered
How can i edit an object of the type SimulationOutput?
Just double click it in Workspace editor or run "open varname" for API web(fullfile(docroot, 'simulink/slref/simulink.simulat...

12 Tage ago | 0

Answered
How to import column data from multiple Excel files with different number of rows?
Since each file contains different number of rows, you will need to use cell array for this. Change inside the loop to Time{K}=...

12 Tage ago | 2

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Answered
How can i test interface signals between subsystems?
If the signal goes directly from Subsystem1 to Subsystem2, then by definition their values are the same. Why would you still wan...

12 Tage ago | 0

Answered
splitting matrix into separate elements
Drop a Constant block, specify the value as [1;2;3], connect it to a Demux block, specify the "Number of outputs" as 3. Connect ...

15 Tage ago | 1

Answered
How can i find input and output signal names for a 'line' in MATLAB?
It will be easier if you construct a simple model and run this example. L = find_system(gcs,'FindAll','on','type','line'); k=1...

15 Tage ago | 0

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Answered
Size mismatch error when trying to find a row in an array that is the same as a variable vector.
The problem is here. If target is 1x2 and waypoints is nx2, you can't do waypoints==target waypoints = [100 150; 200 400; 17...

18 Tage ago | 0

Answered
Replace a scaler with NaN
https://www.mathworks.com/matlabcentral/answers/57444-faq-why-is-0-3-0-2-0-1-not-equal-to-zero

18 Tage ago | 0

Answered
Using assignin with array indexing
prepare the full assignment statement and use evalin().

18 Tage ago | 1

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Answered
Simulation of transfer function with variable denominator
You can implement this transfer function using an Integrator block, a Gain block (or a Product block) and a Sum block with a fee...

19 Tage ago | 0

Answered
List of all subfolders and theire subfolders etc.
Yes. list=dir('**/*.*') will do it. Then check for list.isdir

19 Tage ago | 0

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Answered
How do I stop new simulink windows from stealing focus?
What Simulink window? If it is brought up by open_system(), you can use load_system() instead.

19 Tage ago | 0

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Answered
Why the first number is not displayed? [SIMULINK]
For matrix formats, each row of the matrix has a time stamp in the first column and a vector containing the corresponding data s...

20 Tage ago | 1

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Answered
A(B)=0 What is its meaning?
B is a logical index matrix. You can see the value is 1 (true) or 0 (false) wherever the corresponding value in A is greater tha...

20 Tage ago | 0

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Answered
Simulink: get range of values from lookup table
TableData=1:10; dStart=3; dEnd=6; index=and(TableData>=dStart, TableData<=dEnd); SelectedData=TableData(index) SelectedData...

20 Tage ago | 0

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Answered
I am not able to change compiler using Mex command to vc++
Follow this page and find the "supported compilers" for R2016a. https://www.mathworks.com/support/requirements/previous-release...

22 Tage ago | 0

Answered
Only the value corresponding to the last loop of a for loop being saved in the output array
find() could find more than one match. See "help find"

22 Tage ago | 1

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