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Fangjun Jiang


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3,159 2011 이후 총 참여 횟수

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Professional Interests: Model-Based Development

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One of the Mask Parameters getting reset in Entire Model while saving Custom Library.
Things like this usually gets complicated when it is put in a library. Without the actual model, I could guess: If you are set...

약 6시간 전 | 0

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Deleting every n rows in matrix
A=1:100 A=A(1:15:end)

약 12시간 전 | 0

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Calling out array from workspace in simulink
You have "Var=1:5" in MATLAB base workspace. In Simulink, use a Constant block, specify its value as "Var", or "Var(1)", "Var(5)...

약 14시간 전 | 0

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How to create constant(!) input-dependent matrices with a Matlab function block without that variable-size stuff
MATLAB Function block can deal with variable size. It is just a lot of annoynance like you suggested. You need to declare the ma...

약 14시간 전 | 0

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How to achieve identical timing of two side by side annotations
What you can do is this. I think it can improve the timing. h1=annotation(..., 'visible','off'): h2=annotation(..., 'visible',...

4일 전 | 0

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Architectural documentation of simulink model - UML
System Composer is supposed to do this. It uses SysML.

4일 전 | 0

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How can I strip duplicates?
If you want remove duplicates only based on values in the first column Do not want the returned values be sorted then you nee...

4일 전 | 0

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How can I swap two elements in each row of a matrix without loops?
This is lengthy but does the job. %% flag=logical([0 0 1 1]); % pick two elements in each row p=perms(flag); % all the possib...

5일 전 | 0

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Mysterious tangent line on my plots
Your code has problem. If you have "clear all" at the begining to clear the variables in the memory, then your code has error. ...

5일 전 | 0

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Rearrangement of vector elements
something like this? a=(1:95)' b=reshape(a,19,[]) c=b(1:11,:) d=c(:)

6일 전 | 1

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How to create a string array with long strings that continue to a new line?
s=["aa"+ ... "aa", "bb"+ ... "bb"] s = 1×2 string array "aaaa" "bbbb"

6일 전 | 2

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where is function block parameters:fcn that expression ex) sin(u(1))+cos(u(1))
I heard it was being phased out. I don't remember which version. You probably can search it in release note. It will be not ava...

6일 전 | 0

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How to make state-space model for an array input in Simulink?
You should not duplicate the State Space block. The size of A, B, C and D should all match properly to the number of states X, t...

9일 전 | 0

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Why Matlab and Simulink have different Plot for the same modulo function?
The step size is more important than solver in this case. Reducing the step size to be 1 or 0.5 and making it fixed would resolv...

13일 전 | 1

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Why do i receive this error when lunching simulink ?
The \slprj folder can't be created under "C:\Program Files\MATLAB". Move your models and work in other folder such as \MyDocumen...

14일 전 | 0

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How to put variable name in Y-limits of a scope in Simulink programmatically from Matlab
Seems true but also, it works this way. >> YY=5 YY = 5 >> set(gcbh,'ActiveDisplayYMaximum','YY') >> get(gcbh,'ActiveDi...

14일 전 | 0

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zpk function is missing
I believe zpk() requires Control System Toolbox. Check to see if you have it ver control

15일 전 | 0

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storing matrix elements in a single variable as string
Use for-loop if want to split A = [3 25 100 5 20 100]; >> B=sprintf("%d#%d@%d\n",A(:)) B = "3#25@100 5#20@100 ...

16일 전 | 0

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finding the index of an array in cell array
arr ={[1,2,3],[4,45,6]}; >> index=find(cellfun(@(x) all(x==[1 2 3]),arr)) index = 1

16일 전 | 0

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How to add the "Plottools" icon to plot control ribbon.
On the figure, click menu "View", check "Figure toolbar" or "Plot Edit Toolbar" or others.

19일 전 | 0

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How do i fix return error in matlab?
This is a warning, not an error. If the code "return" here (which means exiting the function), the varialbe "rho" may never be ...

19일 전 | 0

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Convert from R2019b to R2019a
Open the model, click menu "File" then "Export model to"

19일 전 | 0

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Unable to use curly braces to index into cell
Where is your variable "cell" defined? cell() is a function. Use some other name.

19일 전 | 0

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Open figure in new window instead of next to editor using figure object
%% close all; f=figure('Name', 'FFT-Test','position',[150,0,1000,650]) f1=subplot(4,1,1,'Parent',f) plot(1:10) f4=subpl...

20일 전 | 0

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Continue, step in , step out are disabled after error in program
run "dbstop if error" and then run your porgram and debug run "dbclear if error" to go back to normal

20일 전 | 0

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Summing two binary vectors
%% a = [1 0 1]; b = [1 1 0]; s=dec2bin(bin2dec(num2str(a))+bin2dec(num2str(b))) out=str2num(s(:)) out = 1 0...

20일 전 | 0

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where to place the "From" block in this simulink model
These are warnings not errors. These warnings are usually fine. It means thoese two connections are created but not used. Take...

21일 전 | 1

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How to get selector block configured as seen below?
start from default, set "Inpurt port size" to be 2, set "Index" to be 2

21일 전 | 0

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Converting string to a double
Are you sure? >> format long >> a=str2double('1.7356922617E-3') a = 0.001735692261700

21일 전 | 1

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Eliminating the rows from a matrix
index=A(:,end)<4; A(index,:)=[]

21일 전 | 0

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