Fangjun Jiang
Last seen: Today
3,111 total contributions since 2011What is a model?
Professional Interests: Model-Based Development
Fangjun Jiang's Badges
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
Publish your first comment or rating
Awarded to Fangjun Jiang on 09 Oct 2019
Accept 5 answers given by other contributors
Awarded to Fangjun Jiang on 20 Jul 2017
100 of your answers have been accepted
Awarded to Fangjun Jiang on 20 Jul 2017
Provide your first answer ever to someone else's question
Awarded to Fangjun Jiang on 20 Jul 2017
Solve a problem for the first time
Awarded to Fangjun Jiang on 27 Jun 2012
how to sum vector with simulink sum block
Just use the good old Sum block. Give one Constant block, specify value as [1 2 3] and another Constant block [10 20 33], Sum to...
2 days ago | 0
Access programmatically to EnumTypeDefinition in Simulink Data Dictionary
out=getValue(enumerationType) info=out.Enumerals info.Name
5 days ago | 0
| accepted
Is there a command to close all the tabs?
Starting from gcs, you can do this. The tab for the root level model would be kept open. The tabs for other models are also not ...
6 days ago | 0
| accepted
Sum subarrays of a Matrix.
One-liner transpose(reshape(sum(reshape(A',3,[])),3,[])) Or transpose(cell2mat(cellfun(@sum,mat2cell(A',[3,3,3],3),'unif',0))...
6 days ago | 1
| accepted
Struct contents reference from a non-struct array object.
In your code, variable "filename" is a string. It does not have the structure field ".name". If your code looks like this, then...
7 days ago | 1
Simulink Clock (time) reset?
Feed Constant value 1 to an integrator, the output is the time. Wrap the state of the Integrator to 5400 and 0.
7 days ago | 0
Searching structure that has all caps field names with list that varies in case.
for iVar=1:numel(myVars) b_sp = b_struct.dArray.(upper(myVars{iVar})); end
8 days ago | 1
Variables scope in MatLab function block
Use "Edit Data" in the MATLAB Function Editor to specify those base workspace variables as the parameters
9 days ago | 0
| accepted
Naming Excel Sheet with xlswrite.
FileName=['Rule',num2str(x)] FileName=sprintf('Rule%d',x)
12 days ago | 1
| accepted
Why, when doing a for loop to form a column from an array, does it give me 0 values except for the last element?
most likely, change to Lo(I+3*(Q-1),1)=IncECEF(Q,I) And do you know this? A=magic(5); B=A' C=B(:)
13 days ago | 1
| accepted
How to plot two arrays which different time stamps and lengths in one plot?
%% A=[0.1 0.2 0.35 0.42]; B=[1 4 9 12]; C=[0.01 0.4 0.5 0.8 1 2 10]; D=[5 7 10 11 12 3 1]; [x,index]=sort([A,C]); y=[B,D...
13 days ago | 0
How to update new annotations or descriptions done in a library subsystem into the model where the library is used
To be clear, the annotation needs to be inside a subsystem block in the library. Then after you updated the annotation in the li...
13 days ago | 0
issues connecting my from workshop block to the PSS and SPS Converter block
In your diagram with error red line, on the top left, you need a Simulink to Physical System converter, not Physical System to S...
13 days ago | 0
| accepted
How to plot two different 3D graphics together?
The command "figure" creates a new figure. Use just one of them, and run "hold on".
14 days ago | 0
| accepted
How many Workspace's we have in MATLAB ?
Another common one is the function workspace, which is created when the function is entered and destroyed when the function is e...
14 days ago | 0
extracting values from a matrix or vector
b=a([2,5]), second and fifth element
14 days ago | 1
| accepted
If statements comparing two character strings with multiple inputs
variable 'str1' and 'str2' are supposed to take values from function input arguments when you call h20_props(50,"nu","SI"). But ...
15 days ago | 0
| accepted
How to get the string form of an anonymous function?
f = @(x) exp(-0.5*x); >> func2str(f) ans = '@(x)exp(-0.5*x)' Or, provide your string, use str2func()
15 days ago | 1
| accepted
How to determine the moment (time) at which the signal exceeded the set value in simulink?
Assume you build your model correctly, your signal varies as time goes. Compare your signal with the Constant value, its output ...
16 days ago | 0
How to change Simulink model line thikness
No. You can't. Simulink is a graphical modeling tool, but not a graph tool. Use something else such as Visio, or Shapes in MS Of...
20 days ago | 0
| accepted
Add one port to a Simulink block, from command line AND automaticaly keep the same distance between ports
I dealt with this problem before. There is no quick or automatic way but the following method worked for me to keep the existing...
20 days ago | 0
| accepted
Operator '==' is not supported for operands of type 'tf'
The reason: When you click "cancel" in the inputdlg(), your variable "tf" is not evaluated. When the second part of the code i...
21 days ago | 0
| accepted
why do i get the error 'undefined function or variable ' for simin from workspace
When you use "From Workspace" block, it expects the variable "simin" exists in the base workspace. Create that variable to elimi...
21 days ago | 0
| accepted
Coding philosophy : Is using global goto like using a global variable?
The simple answer is YES. What you see in C code is a code flow. The code is executed in sequence. What you see in Simulink is...
23 days ago | 0
| accepted
Loading a fig file without opening
f=openfig('power.fig','invisible') a=get(f,'Children') ... close(f) clear f
23 days ago | 1
| accepted
Is there a way to define a new built-in function?
I would think NO but it does not really make any difference. If there is a way, you would have to modify some existing files in ...
23 days ago | 1
why do my output variables not update when I use the sim function
Here it goes again. Please see this. Mathworkers need to pay attention to this. This trap seems unreasonable. https://www.mathw...
26 days ago | 0
Select a Web Site
Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select: .
Select web siteYou can also select a web site from the following list:
Americas
- América Latina (Español)
- Canada (English)
- United States (English)
Europe
- Belgium (English)
- Denmark (English)
- Deutschland (Deutsch)
- España (Español)
- Finland (English)
- France (Français)
- Ireland (English)
- Italia (Italiano)
- Luxembourg (English)
- Netherlands (English)
- Norway (English)
- Österreich (Deutsch)
- Portugal (English)
- Sweden (English)
- Switzerland
- United Kingdom (English)