Fangjun Jiang
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Contribute at least one answer each month for 36 consecutive months
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Content Feed
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');
9 dagar ago | 1
How to get Leftmost block position
Get the position data of all the blocks Find the Min x value Through index, find the block
13 dagar ago | 0
| accepted
How do we import a custom image on MATLAB which are outside of preinstalled libraries?
a = imread("c:\mydocument\cameraman.tif")
14 dagar ago | 1
| accepted
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...
14 dagar ago | 0
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...
16 dagar ago | 0
Random shuffle of vector elements
p=randperm(3); index=[1,1+p,5]; b=A(index);
16 dagar ago | 0
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));
17 dagar ago | 0
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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.
17 dagar ago | 0
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Invalid use of operator
There is a difference between operator "*" and ".*". But there is no such an operator as ".-" in MATLAB.
27 dagar ago | 0
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 [...
27 dagar ago | 1
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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))
28 dagar 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
ungefär en månad 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...
ungefär en månad ago | 0
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How to convert 32x32x2x20000 into 20000x1 cell array?
mat2cell() ?
ungefär 2 månader ago | 0
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...
ungefär 2 månader 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"
ungefär 2 månader 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 2 månader 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...
2 månader 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)
2 månader ago | 1
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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...
2 månader ago | 0
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Unable to do Modeling simulink for MAB and JMAAB
Model Advisor, by products, Simulink, modeling standards, MAB It requires Simulink Check toolbox
3 månader ago | 1
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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 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
3 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
3 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 ...
3 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
3 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?
3 månader ago | 0
How to delete a node from DOM object?
use delete() and then write the xDoc to an XML file.
3 månader ago | 0
