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Fangjun Jiang


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3.010 total contributions since 2011

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Answered
Is it possible to have a column data with some numerical values and some strings?
Where does A come from? In MATLAB, A can not be stored as A = [53; 26b] or A={53; 26b}. If the source data comes from Excel fil...

alrededor de 18 horas ago | 0

Answered
writematrix resizing column widths
Look for the 'PreserveFormat' and the 'UseExcel' properties. Also, look for the writecell() function.

1 día ago | 0

Answered
Converting cell array to matrix
>> a={[1 2],[3 4]} a = 1×2 cell array {1×2 double} {1×2 double} >> cell2mat(a) ans = 1 2 3 4 >>...

1 día ago | 0

Answered
Change output resolution by export_fig
export_fig() must be a customized function. You have to look at its syntax to learn how to specify resolution. You could use th...

2 días ago | 0

Answered
How can I get a string with a line break to be centered in a uicontrol?
I don't know why, but try and error and then got lucky. %% f = figure('Position',[300,300,600,600]); uicontrol('Parent',f,......

3 días ago | 0

Answered
Is it possible to call a callback from one GUI to another separate GUI?
To call a callback is to call a function. So if you save that function in a separate file and package it with GUI1 and GUI2, the...

3 días ago | 0

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Answered
Error using sub2ind (line 43) Out of range subscript. How to solve this?
[row1,col1] is the index for mat_zer in sub2ind(), it is using size(mat_zer_pm) Do mat_zer_pm and mat_zer have the same size a...

3 días ago | 0

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Answered
Make all values of array Nan except for specified locations
%% a=magic(5); RowPos=[1,3,5]; ColPos=[2,4,5]; ind=sub2ind(size(a),RowPos,ColPos); b=nan(size(a)); b(ind)=a(ind);

3 días ago | 1

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Answered
Using dynamic workspace arrays as Matlab function input/output
Use vector signal between part 1 and part 2. No need to use memory block. Use Unit delay to resolve algebric loop if needed. Us...

4 días ago | 0

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Answered
Getting output data from Simulink
The different size of the logged data is caused by the variable-step solver. To get a consistent and fixed size log data, use a ...

4 días ago | 1

Answered
Create a block table using script
This inner loop does not make sense. for i = getBlock(n, 1) tableStruct = struct(get(i), 'Name'); end...

5 días ago | 0

Answered
Sine Wave not recognize with find_system
The 'BlockType' for the "Sine Wave" is 'Sin'.

5 días ago | 0

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Answered
Force Simulink Coder to regenerate code and rebuild a model
rtwbuild('rtwdemo_mdlreftop','ForceTopModelBuild',true)

5 días ago | 1

Answered
How can I open the Code-Generation Report of the hdlcoder
See this Q&A. https://www.mathworks.com/matlabcentral/answers/278856-how-do-i-open-the-code-generation-report-after-it-s-been-c...

8 días ago | 0

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Answered
sim('') command with supressed ";" still displays a variable on command window (it's spamming it)
You need to go to your Simulink model to find the source of the assignment line "y=something" where ";" is not present. It could...

8 días ago | 0

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Answered
Can one define a "directory" as a "variable"?
directory='c:\myfolder'; filename='myfile.xlsx'; readtable(fullfile(directory,filename));

12 días ago | 0

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Answered
What is the ID of styecheck jc_0803 ??
MA check for jc_0803 in introduced in R2020a. See at the bottom of the link. https://www.mathworks.com/help/releases/R2020a/sim...

12 días ago | 0

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Answered
How can find all stateflow objects which used function?
If you use "MATLAB action language" in your chart, then the floor() function is the same as the floor() function provided by MAT...

12 días ago | 0

Answered
Check that point doesnt lay on line in Simulink block diagram
Checking whether a point lays on any existing line will be very difficult. The answer to the OP's question seems to be utilizing...

12 días ago | 1

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Answered
How to count the amount of times a specific number appears on an output wave?
Compare your signal with the value of 2, if greater than 2, output true, otherwise false. The output is a square wave. Use this ...

13 días ago | 0

Answered
Syntax error in Simulink
Define a set of example value for u(1) to u(7) in MATLAB, copy and past your expression picece by piece in small parts and execu...

14 días ago | 0

Answered
Format output with constant display values
%% X2=5.6; period=60; fprintf('2*pi*%g/%g\n',X2,period);

15 días ago | 0

Answered
Tic, Toc Behavior
for the sake of fair comparison, the code below should give you reasonable results %% TicTocLoop=0; TicTocValue=0; for i =...

16 días ago | 0

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Answered
How to load a cell array into a Simulink model?
According to this: Data Types Supported by Simulink, neither "cell array" nor "function handle" is mentioned. I don't know how y...

18 días ago | 0

Answered
My simulink model seems to not receiving proper variables from workspace or not returning proper value to workspace.
I am trying to find the document link but could't. I thought it was in "doc sim". The problem could be explained by the way sim...

22 días ago | 0

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Answered
Simulink library missing from browser
Run these two lines in Command Window. What did you get? ver simulink open simulink.slx

23 días ago | 1

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Answered
How to create/access and update global variables in Simulink using Data Store Memory block
Follow the example here. https://www.mathworks.com/help/releases/R2020b/simulink/ug/using-global-data-with-the-matlab-function-...

23 días ago | 0

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Answered
Programmatically make library targetlink compliant
I used to have it. I believe the command is tl_prepare_system(). See the document in your TargetLink installation.

23 días ago | 0

Answered
Access Simulation Time in Simulink Model
The Clock block provides the time.

24 días ago | 1

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Answered
PAUSING on function call - matlab
The call of another function might be dependent on a particular condition inside this function. So it is not ideal or practical ...

24 días ago | 0

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