Fangjun Jiang

Last seen: Today | Active since 2011

What is a model?
Professional Interests: Model-Based Development

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Answered
Invalid use of operator
There is a difference between operator "*" and ".*". But there is no such an operator as ".-" in MATLAB.

4 días ago | 0

Answered
Simulink Switch Outputs wrong data format
check the size/dimension of the Constant zero block, the "TriggerOUT" Outport block and the Switch block itself. Specify it as [...

4 días ago | 1

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Answered
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))

5 días ago | 0

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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

8 días ago | 1

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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...

8 días ago | 0

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Answered
How to convert 32x32x2x20000 into 20000x1 cell array?
mat2cell() ?

25 días ago | 0

Answered
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...

26 días ago | 0

Answered
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"

27 días ago | 0

Answered
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?...

alrededor de 1 mes ago | 0

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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...

alrededor de 1 mes ago | 0

Answered
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)

alrededor de 1 mes ago | 1

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Answered
Can I save all the command history of a running script?
diary()?

alrededor de 1 mes ago | 0

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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...

alrededor de 1 mes ago | 0

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Answered
How can I use or call .exe file in my normal matlab script ?
doc system

alrededor de 1 mes ago | 0

Answered
Unable to do Modeling simulink for MAB and JMAAB
Model Advisor, by products, Simulink, modeling standards, MAB It requires Simulink Check toolbox

alrededor de 2 meses ago | 1

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Answered
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...

alrededor de 2 meses ago | 1

Answered
Modify the storage class in the data dictionary programmatically
https://www.mathworks.com/help/simulink/ug/store-data-in-dictionary-programmatically.html

alrededor de 2 meses ago | 0

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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

alrededor de 2 meses ago | 0

Answered
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 ...

2 meses ago | 0

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Answered
provide Input port data during simulation
https://www.mathworks.com/help/simulink/ug/signal-loading-techniques.html#bu110x_-1

2 meses ago | 0

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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?

2 meses ago | 0

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How to delete a node from DOM object?
use delete() and then write the xDoc to an XML file.

2 meses ago | 0

Answered
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')

2 meses ago | 0

Answered
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...

2 meses ago | 0

Answered
How to loop through structure with words?
fn=fieldnames(reflectance.nhy1); for k=1:length(fn) reflectance.nhy1.(fn{k}) end

2 meses ago | 0

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Answered
write two inputs to interpreted MATLAB block
Specify as "mod1(u(1),u(2))". Look at the Help of the block.

2 meses ago | 0

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Answered
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 meses ago | 0

Answered
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 meses ago | 1

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Answered
Repeat a time based signal in Simulink (not using *.m script) / during Start of simulation based on number of repetitions
Repeating Sequence block

2 meses ago | 0

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Answered
How can i have a loop in every step time in Simulink?
Use For Iterator Subsystem

3 meses ago | 0

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