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Fangjun Jiang


1967 total contributions since 2006

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Professional Interests: Model-Based Development

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Answered
What command could run any file.m chosen
help run FileName='c:\mydoc\test.m'; run(FileName);

9 days ago | 0

Answered
How can I change the configuration parameters by command line?
On the configuration parameter dialog window, hover over "Type" under "Solver options", right click, select "What's this?", it w...

9 days ago | 0

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Answered
PostLoadFcn attempts to run before block diagram is fully loaded
From the error message, "Name changes are allowed only after the block diagram is loaded fully", it sounds like the name changin...

1 month ago | 0

Answered
count number values exceeds given threshold in moving window
M=100; N=4; A=randi(35,1,M); B=A>20; C=ones(N,M-N); C(1,:)=1:(M-N); C=cumsum(C); D=sum(B(C));

1 month ago | 0

Answered
How to call specific numbers from a matrix?
a=rand(100,3) A=sum(a(:,1)>0.5) B=sum(a(:,2)>0.3 & a(:,3)>0.2)

1 month ago | 0

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Answered
Writing contents cell into a txt file
c={'dog','cat','fox'}; fid=fopen('out.txt','w+t'); for k=1:10 fprintf(fid,'%s ',c{:}); end fclose(fid);

2 months ago | 0

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Answered
Checking inequality condition for each component of a vector.
To explain the result you saw, your command is equal to : temp=-0.1 < vec; temp < 0.1

2 months ago | 0

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I have a file saved in matlab workspace. I want to find out the FFT of that stored data? How can i do that
There is a MATLAB function called fft(). help fft

2 months ago | 0

Answered
how to set 'Fixed-step size' specified in the Configuration Parameters dialog for block diagram in a simulink model from a GUI
You need to set a value for the variable 'Ts' in the base workspace. assignin('base','Ts',0.01)

3 months ago | 0

Answered
How can I put index number of matrix itself?
Use cell array, maybe? n=5; A=cell(n,1); A{1}=1; A{2}=rand(2); A{3}=magic(3); ...

3 months ago | 0

Answered
Diary file with current date and time as time stamp
dfile=[datestr(now,'mm-dd-yyyy'),'-1529.txt']; diary(dfile);

3 months ago | 0

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How to string 1 and 0 into array
'1101111000111101'-48 sprintf('%d',[1 1 0 1 1 1 1 0 0 0 1 1 1 1 0 1])

3 months ago | 1

Answered
To Workplace delays data write out when simulation is paused
try set_param('Model','SimulationCommand','WriteDataLogs') or set_param('Model','SimulationCommand','Update') to force it. I...

3 months ago | 0

Answered
How to Find First Min Value And Index it??
[row col]=find(q==minq,1,'first') or q=[5 8 1 4 1 2 2 3 1] [minq,Loc]=min(q(:)); [row col]=ind2sub...

3 months ago | 0

Answered
How to save logged signal to a MAT file without using 'TO WORKSPACE' block ?
If it is done through customized GUI, it might depend on the customized GUI. If it is done through right click the signal li...

3 months ago | 0

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Answered
Comapre matrix and function a operation
Here is one solution. You might need to clarify some special cases. What the output should be if B contains value 25 or 20? ...

3 months ago | 0

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Answered
Pre allocating all fields in a structure?
mystructure=cell2struct({1,'xyz'},{'a','b'},2)

3 months ago | 0

Answered
How do I create an array containing the system layout of a Simulink model?
Hierarchy=find_system('ModelName','LookUndermasks','All','FollowLinks','on','BLockType','SubSystem')

4 months ago | 0

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Answered
How to fix: Attempt to execute SCRIPT fprintf as a function:
fprintf() is a built-in function. \toolbox\matlab\iofun\fprintf.m is a help text file. Why do you have your own C:\Users\Holl...

4 months ago | 1

Answered
How to create. xml file using stored data in matlab variables ?
help xmlwrite and see the example

4 months ago | 0

Answered
Is there a way to turn off or suppress bold headers on tables in the Command Window?
It might not be possible according to the document. http://www.mathworks.com/help/matlab/ref/diary.html?searchHighlight=diary...

4 months ago | 0

Answered
How to set visibility of Button in SIMULINK Mask ?
Select your masked block, type "get(gcbh)" in Command window to see a full list of parameters and their values. get/set eithe...

4 months ago | 0

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How to programmatically change the name of a S-function
I tried and it seemed working. set_param(BlockPath,'FunctionName','NewS_Function');

4 months ago | 0

Answered
how many total variable we can define in Matlab 2015?
Run "namelengthmax" to find it out.

4 months ago | 1

Answered
How to give randi values in different columns of matrix
just add this? b(:,2)=~b(:,1)

4 months ago | 0

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Answered
Custom Library creation issue
The document is for MATLAB R2016a. I tried in MATLAB R2015b. It seems working, no errors. When I tried in MATLAB R2012a. T...

4 months ago | 0

Answered
How can i add grid lines on interactive editing on a matlab figure
Double click the Axes, it will bring up the Property Editor for Axes. There are check-marks for Grid on X, Y and Z.

4 months ago | 0

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Answered
Change "current block"/gcb/gcbh programmatically
The best way to resolve this is to use the actual block path or block handle, instead of gcb/gcbh. You could modify the function...

4 months ago | 1

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