Fangjun Jiang

Last seen: 4 jours il y a | Actif depuis 2011

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

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Execution order of blcks
You can set the block priority number. There are limitations. See https://www.mathworks.com/help/simulink/slref/set-priority-in...

environ un mois il y a | 0

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Get bus elements from output port
If doing it interactively, you can hook a BusSelector block and then open the dialog If through script, you can run Simulink.da...

2 mois il y a | 0

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How to access parameter attributes from data dictionary in Simulink block
By default, Param.Min refers 'Param' as a structure and 'Min' as one of its field. I've tested it. You can use Simulink.data.e...

2 mois il y a | 0

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How to send one array element at a time to a subsystem every 0.5 seconds in Simulink?
Nothing special. Use a Counter block (free-running or limited) in combination with the model solver setting to provide the step ...

2 mois il y a | 0

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How to use circshift in Simulink?
It is not really a matrix. I suggest debugging the MATLAB Function first. Provide a Constant vector input, e.g. (1:5), observe t...

3 mois il y a | 0

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Restart signal from workspace in Simulink
Use an Integrator block and enable its "Reset" inport, which can receive your "reset" or "trigger" signal. The input to the In...

3 mois il y a | 0

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I need help in fixing this code as I keep getting errors
No error but warnings. The cause is that N/2 is not an integer because in your case, N is 1001. It is surprise that in the exa...

3 mois il y a | 0

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Matlab gave me a right value for PA< PB< PZa ,PZb, Pzc but they said the wrong thing about conclusion, they said " does not equl. However, it will equal
It is not robust to use == operator to compare two floating-point data. Search for "floating point data equal comparison" and yo...

3 mois il y a | 0

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Fliping Mux in Matlab code
set_param(BlockPath,'Orientation','left')

3 mois il y a | 0

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check Matlab tlbxs availabe and license
featureStr={'MATLAB','Simulink'} index = cellfun(@(f) license('test', f), featureStr) availableFeatures = featureStr(logical(i...

3 mois il y a | 0

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Branched Merge Block Check - How do I prevent this warning ?
Do you have cascaded Merge blocks? Do any of the incoming signals to Merge1 and Merge2 come from a Merge block? Or the output of...

3 mois il y a | 0

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Matlab function in Simulink exhibiting slow reaction time
I must know this. 1700 seconds is roughly 1/50 of the simulation time (24 hours). It is the default setting. It must mean that y...

3 mois il y a | 0

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How to make custom library in Simulink available to other users and in different versions?
If you have a newer version of MATLAB (e.g. R24b), you can save/export a Simulink model or library as older version (e.g. R23b),...

3 mois il y a | 0

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how can I array the external inputs for code generation in Simulink embedded coder?
For the array case, you just need to specify the size of that Inport block. Keep in mind that you can't comibne multiple inputs ...

4 mois il y a | 0

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Table.Properties.VariableNames will add ... to long Variable Names
I think the OP was referring to the three dots in the image in the header row. It is a display, @Alexander Szambor. If you drag...

4 mois il y a | 1

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How to call columns from table when heading names are variable dependent
use data.(MaxColumn). This is similar to dynamic field names like below. a.FirstColumn=1; ColumnName='FirstColumn' a.(ColumnN...

4 mois il y a | 0

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I am getting error for configurable subsystem in R2024b
"Configurable subsystem" is in pretty old versions of Simulink. It sounds like that in R2024b, it is definitely no longer suppor...

4 mois il y a | 1

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How to read out value from simout object
You need to click that signal line, right click, select properties, and then give it a name and log the signal. Once done that, ...

4 mois il y a | 0

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Delay - bus as initial condition and bus propagation
I am intested in this question so I made an example. According to the document, 'The initial condition x0 port accepts nonvirtu...

4 mois il y a | 0

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Simulation manager with initFcn
'InitFcn' is executed before the simulation starts, that is probably the reason that your parameter values set in the multiple s...

4 mois il y a | 0

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What is the Matlab code that connects a variable to a Slider Switch Block?
The 'binding' needs to be a block in the model. If that block uses 'A' as a parameter and that parameter is selected to be bound...

4 mois il y a | 1

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[Linux] Error in MatlabWindow after upgrading Ubuntu from 20.04 to 22.04
According to this, up to Ubuntu 18.04 LTS is supported by MATLAB R2018b. https://www.mathworks.com/content/dam/mathworks/mathwo...

4 mois il y a | 0

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Force default datatype to single in undefined Simulink blocks
'DefaultUnderspecifiedDataType' is not the same as 'Default DataType'. Your setting only applies to the Constant block because i...

4 mois il y a | 0

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How do I get the relative error between 2 signals in Simulink?
Assume x and y are the two signals, you are doing abs((x-y)/x) or abs((x-y)/y), when x or y is close to zero, it will cause di...

4 mois il y a | 1

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Tally Instances of Negative Numbers in an Array (for loop)
A=load() returns A as a structure, not a typical matrix. If you make A an matrix, this code would work if you make the following...

4 mois il y a | 0

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isnan to conver nan to zero in a table
T is an object of the class "table". You can't apply isnan() on it directly. Try the 'TreatAsMissing' option of the readtable() ...

4 mois il y a | 0

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Is there a way to extract a list from "PV Array.ModuleName.Enum" to view the solar module data more efficiently?
Should be BlockDialogParameters.ModuleName.Enum or getfield(BlockDialogParameters.ModuleName,'Enum')

4 mois il y a | 0

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Plot RGB triplets from a matrix as markers 'o'
Use 'color' to specify color in plot() x = linspace(0,10,10); y = linspace(0,10,10); xlabel('X-axis'); ylabel('Y-axis'); ax...

4 mois il y a | 0

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What is the max number of digits allowed for a base 2 number?
The default data type in MATLAB is "double", which means 64 bits. When used to represent a base 2 number, its maximum value is 2...

4 mois il y a | 0

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How to set Simulink block parameters using an absolute model path
The "absolute model path" of a block starts with the name of the model, not including the file folder where the model file is st...

5 mois il y a | 0

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