Fangjun Jiang
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Content Feed
provide Input port data during simulation
https://www.mathworks.com/help/simulink/ug/signal-loading-techniques.html#bu110x_-1
etwa 20 Stunden 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?
ein Tag ago | 0
How to delete a node from DOM object?
use delete() and then write the xDoc to an XML file.
ein Tag 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')
ein Tag 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...
2 Tage ago | 0
How to loop through structure with words?
fn=fieldnames(reflectance.nhy1); for k=1:length(fn) reflectance.nhy1.(fn{k}) end
2 Tage ago | 0
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write two inputs to interpreted MATLAB block
Specify as "mod1(u(1),u(2))". Look at the Help of the block.
7 Tage ago | 0
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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 ...
7 Tage 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)
8 Tage ago | 1
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Repeat a time based signal in Simulink (not using *.m script) / during Start of simulation based on number of repetitions
Repeating Sequence block
10 Tage ago | 0
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How can i have a loop in every step time in Simulink?
Use For Iterator Subsystem
15 Tage 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...
22 Tage 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')...
23 Tage ago | 0
error in repeating sequence
It's better to provide the error message. I assume the error is about the time data that you provied. There are duplicated val...
29 Tage ago | 0
Sizeof double float int etc
Look at the .bytes returned by whos() a=false(5); aInfo=whos('a') b=zeros(5); bInfo=whos('b')
30 Tage ago | 0
Is There a Way to Find all Shadowed Functions on the matlabpath?
I am not aware of any direct method. On the other hand, Files=dir('**/*.m') will give you all the M-file names including all sub...
etwa ein Monat ago | 0
| accepted
How do i know which Simulink Libraries are used in the Program?
license('inuse') tells the "toolboxes" that are used. What you need is libinfo('ModelName'). Most likely, 'Delft_Tyre_dtlib' is...
etwa ein Monat ago | 1
How do I restore matlab to original settings?
In MATLAB, run "restoredefaultpath" to see if you can get your Simulink back to normal. Then try to re-install SpeedGoat.
etwa ein Monat ago | 0
Where to find Variable Size for output of Matlab function in Simulink
double click the MATLAB Function block to open the code editor, Click "Edit Data" button/icon, select the variable on the left c...
etwa ein Monat ago | 0
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How to combine matrices with different size but preserve elements with same value?
unique([A;B])?
etwa 2 Monate ago | 0
Initializing 1/2 of a row with one value and the other half with another
You mis-understood it. The code involves built-in functions ones() and zeros(). The input arguments are size of the matrix, not ...
etwa 2 Monate ago | 0
Error in port widths or dimensions Error.
If your t=sin(0:0.01:30), which is 1x3001 double, you need to make it a column vector and then use the "From Workspace" block. ...
etwa 2 Monate ago | 0
| accepted
How to show the Unit parameter in the signal attrbutes of a constant block?
There is no "unit" property at the Constant block. What you can do is to define a Simulink parameter object. A=Simulink.Paramet...
etwa 2 Monate ago | 0
| accepted
how to rearrage the matrix?
[objectpointsepoch1(:,2); objectpointsepoch1(:,3)]
2 Monate ago | 1
| accepted
安装waijung第三方工具箱每次打开matlab出现路径警告
I had the same problem and this probem started in R2020a. Every time you started MATLAB R2020a, such a temporary folder is aut...
2 Monate ago | 0
Programmatically change user defined Library objects in Simulink model
In the first part of your code, add_block() is not used properly. You need to specify the full path of both the source and desti...
2 Monate ago | 1
| accepted
how to move the currently selected port in s function builder
You have only one port so nowhere to move. The buttons are on the left. Insert one more and the other three buttons will be avai...
2 Monate ago | 1
Signal Simulink from / to Workspace
The data in the first column of SigData is the time (or time step) info. It must be incremental (or non-descreasing). Based on ...
2 Monate ago | 0
| accepted
Syntax Error in Simulink Fcn block
Provide values for every variable in the formula, including nb, Tfault, Tclear Provide an instance value of u Run the formula ...
2 Monate ago | 0
| accepted
Operations with function handles / anonymous functions
function1 = @(x) x(1)^2+5 function2 = @(x) 2*x(2) function3=@(x) function1(x)+function2(x) function1([1 2]) function2([1 2...
2 Monate ago | 1
