Fangjun Jiang
What is a model?
Professional Interests: Model-Based Development
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Contribute at least one answer each month for 36 consecutive months
Awarded to Fangjun Jiang on 04 Mar 2020
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Awarded to Fangjun Jiang on 17 Oct 2019
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Content Feed
Error using arrayfun All of the input arguments must be of the same size and shape
no need to use arrayfun() for this. cellstr(dec2bin(sbox,4))
ungefär 14 timmar ago | 0
How can I create a set of N diagnal matrices range from diag(1, 1, ... , 1) to diag(-1, -1, ... , -1) for testing purposes?
a=(dec2bin(15:-1:0)-48)*2-1; z=zeros(4,4,16); for k=1:16 z(:,:,k)=diag(a(k,:)); end
4 dagar ago | 1
Creating a pulse for thermal noise
clc,clear Hz = 10; Amp = 10; x = -10:0.01:10; % a pulse function f = @(xi,a,b) a*rectpuls(xi,b)-174; % plot to plot(x,f...
4 dagar ago | 0
| accepted
Multiple plots not working on the simulink spring mass model
This one again? https://www.mathworks.com/matlabcentral/answers/646918-my-simulink-model-seems-to-not-receiving-proper-variable...
22 dagar ago | 0
Insert degree symbol in axis title.
title('9^oE') text(0.5,0.5,'9^oE') xticklabels({'0^oE','1^oE'}) doc title search for "superscript"
23 dagar ago | 0
Data type work vector name must less than 31 characters long
Assume you are using base workspace as data source, could run this in Command Window and inspect the "data type" property value?...
ungefär en månad ago | 0
Creating a vector from a set of coordinates
You mean like this? There is really no need to do this. Please explain the need. x = [10.1, 5.4, 7.3]; y = [2.3, 7.4, 8.8]; i...
ungefär en månad ago | 0
Replace loop with more efficient procedure to make it faster
Would this give you a clue? t1=1:3; t2=(1:4)'; flag=(t1==t2)
ungefär en månad ago | 1
| accepted
MATLAB path linked to last user account for designated computer license installed on Windows 10 device
There is no problem with the installation. No one should modify the build-in pathdef.m. Instead, everyone should use a short-c...
ungefär en månad ago | 0
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How can I use or call .exe file in my normal matlab script ?
doc system
ungefär en månad ago | 0
Unable to do Modeling simulink for MAB and JMAAB
Model Advisor, by products, Simulink, modeling standards, MAB It requires Simulink Check toolbox
ungefär 2 månader ago | 1
| accepted
How to make the value in Data Store Memory global
The example is here. https://www.mathworks.com/help/simulink/ug/using-global-data-with-the-matlab-function-block.html Most like...
ungefär 2 månader ago | 1
Modify the storage class in the data dictionary programmatically
https://www.mathworks.com/help/simulink/ug/store-data-in-dictionary-programmatically.html
ungefär 2 månader ago | 0
How to programmaticaly set storage class (2020a) in Data Store Memory ?
if "DSM_Block" is a block handle, you can use get/set if "DSM_Block" is a block path, use set_param/get_param
ungefär 2 månader ago | 0
Error:Brace indexing is not supported for variables of this type.
Run "dbstop if error" in MATLAB Command Window first and then run your optimization. Hopefully you will be able to see the line ...
ungefär 2 månader ago | 0
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provide Input port data during simulation
https://www.mathworks.com/help/simulink/ug/signal-loading-techniques.html#bu110x_-1
ungefär 2 månader ago | 0
How to vary Gain in Simulink dependent on input's amplitude and phase during runtime ?
Use the Product block. The Gain block is an operation of multiplication, right?
ungefär 2 månader ago | 0
How to delete a node from DOM object?
use delete() and then write the xDoc to an XML file.
ungefär 2 månader ago | 0
How to access Simulink Model callbacks like PreLoadFcn, InitFcn, StopFcn from matlab command window?
Model='f14'; open_system(Model) get_param(Model,'PreLoadFcn'); set_param(Model,'PreLoadFcn','YourFunctionName')
ungefär 2 månader ago | 0
Neglecting difference between two values if it is very small so that value1= value2
To compare element by element, abs(C) < Tolerance To compare the two vectors as a whole, all(abs(C) < Tolerance) or use isme...
ungefär 2 månader ago | 0
How to loop through structure with words?
fn=fieldnames(reflectance.nhy1); for k=1:length(fn) reflectance.nhy1.(fn{k}) end
ungefär 2 månader ago | 0
| accepted
write two inputs to interpreted MATLAB block
Specify as "mod1(u(1),u(2))". Look at the Help of the block.
2 månader ago | 0
| accepted
Why is the look-up table in Simulink must faster than the interp3 function in Matlab script?
Might it be that interp3() is a M-script function, not a built-in (or written in C) function? Try to specify all the optional ...
2 månader ago | 0
What does the Following mean in Simulink
That is the Index Vector block. "Ldq" is a vector. The above math is: Out1=In1*Ldq(2)/Ldq(1)
2 månader ago | 1
| accepted
Repeat a time based signal in Simulink (not using *.m script) / during Start of simulation based on number of repetitions
Repeating Sequence block
2 månader ago | 0
| accepted
How can i have a loop in every step time in Simulink?
Use For Iterator Subsystem
2 månader ago | 0
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Insufficient number of outputs from right hand side of equal sign to satisfy assignment
nonlcon() is a defined function so fun=@nonlcon should be enough. It might be easier if the function has only one return variabl...
3 månader ago | 0
theoretical framework of support for S-Functions
S-Function is used broadly. doc: web(fullfile(docroot, 'simulink/slref/sfunction.html')) example: open_system('sfundemos')...
3 månader ago | 0
