Community Profile

photo

Fangjun Jiang


Last seen: Today Active since 2011

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

Statistics

All
  • 36 Month Streak
  • Revival Level 3
  • First Review
  • Ace
  • Thankful Level 2
  • Knowledgeable Level 4
  • First Answer
  • Solver

View badges

Content Feed

View by

Answered
Matlab R2021b not generating output from Simulink
Assume "simout" is the name used in the "To Workspace" block, the saving format "Array" need to be set at the "To Workspace" blo...

ein Tag ago | 0

Answered
Error in port widths or dimensions. 'Output Port 1' and Error in port widths or dimensions. Invalid dimension has been specified for 'Input Port 5'
Clicking the link in the error message would lead to the block in the Simulink model. Double click the two port blocks to check ...

2 Tage ago | 0

Answered
What can I do so that a "matlab function" block can read the variables defined in a .m file
In the MATLAB Function block editor, click "Edit data", add "Aq11" as a "parameter".

2 Tage ago | 0

Answered
Checking the exisiting of the Goto block with specified GotoTag
find_system('ModelName','BlockType','Goto','GotoTag','Out4')

2 Tage ago | 0

| accepted

Answered
How to add programmatically second input to Scope block in Simulink
specify 2 ports when you add the Scope block add_block('built-in/Scope','test/scope','NumInputPorts', '2');

16 Tage ago | 1

Answered
How to get Leftmost block position
Get the position data of all the blocks Find the Min x value Through index, find the block

20 Tage ago | 0

| accepted

Answered
How do we import a custom image on MATLAB which are outside of preinstalled libraries?
a = imread("c:\mydocument\cameraman.tif")

21 Tage ago | 1

| accepted

Answered
How do I find out what type of block a Simulink block is?
What is a "sim"? If you have a Simulink model, double click the block. The block type is usually shown at the dialog window. Cli...

21 Tage ago | 0

Answered
Why am I getting "Potential conflicting usages of identifier "FALSE": a parameter and Language Keywords"
You know 'false' is used by MATLAB as logical value for 0. I think 'FALSE' might be used by Stateflow or some customized definit...

23 Tage ago | 0

Answered
Random shuffle of vector elements
p=randperm(3); index=[1,1+p,5]; b=A(index);

23 Tage ago | 0

Answered
How do I fill a 1000*25 length vector with random, non-repetitive numbers from 1 to 1000000?
a=zeros(1000,25); a(:)=randperm(1000000, numel(a));

24 Tage ago | 0

| accepted

Answered
How can I control multi-switches
Use Toggle Switch or other switch blocks from Simulink Dashboard to connect to your acutal Switch blocks inside your model.

24 Tage ago | 0

| accepted

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

etwa ein Monat 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 [...

etwa ein Monat ago | 1

| accepted

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))

etwa ein Monat ago | 0

Answered
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

etwa ein Monat ago | 1

Answered
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...

etwa ein Monat ago | 0

| accepted

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

etwa 2 Monate 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...

etwa 2 Monate 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"

etwa 2 Monate 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?...

2 Monate ago | 0

Answered
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...

2 Monate 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)

2 Monate ago | 1

| accepted

Answered
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...

2 Monate ago | 0

| accepted

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

3 Monate ago | 1

| accepted

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...

3 Monate 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

3 Monate ago | 0

Answered
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

3 Monate ago | 0

Load more