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Fangjun Jiang


Last seen: Today Actif depuis 2011

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

Programming Languages:
MATLAB
Spoken Languages:
English
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A répondu
add element in table
You should check size(ff(end,:)). I assume it has 4 columns.

1 jour il y a | 0

A répondu
Behaviour change of `isequal`
In R2018b, it returns TRUE already. See the "Compare Character Vector to String Scalar" section https://www.mathworks.com/help/...

1 jour il y a | 1

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A répondu
Array Creation in Simulink
Use a Constant block, specify its value as [1,4,2;3,6,8], connect it to a Display block, run simulation to see the result.

1 jour il y a | 0

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How to create a Buffer that is an Array in Simulink?
The Buffer block in the DSP System toolbox. https://www.mathworks.com/help/dsp/ref/buffer.html

1 jour il y a | 0

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Error using pyversion, Too many input arguments.
Might be the white space in the folder name? Try pyversion("C:\Users\ASUS\AppData\Roaming\Microsoft\Windows\Start Menu\Programs...

2 jours il y a | 0

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Simulink - Obtain fixed-width vector from MATLAB function block output
Use the Compose String block and String to ASCII block? https://www.mathworks.com/help/simulink/slref/composestring.html https...

4 jours il y a | 0

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How can I get the values ​​in the power block sequentially?
The Scope block? https://www.mathworks.com/help/simulink/slref/scope.html

5 jours il y a | 0

A répondu
Using multiple error messages in one function file
When the program encounters an error, it will stop the execution. Don't use error(). Instead, use fprintf() to get the message ...

8 jours il y a | 0

A répondu
Unsure how to handle .mat data from keysight 34465A
It is easy to make it start from zero by off-setting the first value X = dmm_data(k).Time_s-dmm_data(k).Time_s(1); But what do...

8 jours il y a | 0

A répondu
OOP with Object-creation in Simulink
Not "MATLAB Function" block, use MATLAB System block matlab.system

9 jours il y a | 0

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Press html hyperlink to open block in model
Do this in MATLAB Command Window and then click the link f14; disp('<a href="matlab:open_system(''f14/u'');">Click Here</a>')

10 jours il y a | 0

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How to give an array of steering wheel and longitudianl velocity to vehicle body 3DOF single track model
Use a "From Workspace" block, specify the data as [Dataset.tout, double(Dataset.Steeringangle)]

10 jours il y a | 0

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Using read write data meory block using indirect addressing - SIMULINK
Buffer block Assignment block

10 jours il y a | 0

A répondu
What's the difference between Simulink Design Verifier and Model Advisor/Simulink Check?
Think of the Simulink model as your software code Simulink Check checks the static quality of the code (e.g. syntax errors, cod...

11 jours il y a | 0

A répondu
how to change variable value in lookup table during simulation in Simulink?
Usually, using Dashboard blocks allow you to change variable values interactively during simulation https://www.mathworks.com/h...

11 jours il y a | 0

A répondu
how to plot table to line graph with dots ?
plot(pushovertable.("U1"),pushovertable.("GlobalFX"))

12 jours il y a | 0

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Plotting a surface from a timetable
when you use plot() or plot3(), the plot connects the data points from the first to the second, till the last. Sometimes this ca...

15 jours il y a | 0

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The logical indices contain a true value outside of the array bounds
test2 = intabsul ~= absintul & intabsur ~= absintur the resulting "test2" is a 20x20 logical matrix. You can't use it to index ...

15 jours il y a | 0

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A répondu
Stateflow get dimension of variable
If action language is MATLAB, you can use size(input), or size(input,1), size(input,2)

16 jours il y a | 0

A répondu
Do source blocks in Simulink have an implicit unit step function built into them?
The answer is no. Maybe this will help s/(s+1)=(s+1-1)/(s+1)=1-1/(s+1)

16 jours il y a | 1

A répondu
how to find out the index of a cell array that cell contains my substring?
Do you have to use cellfun()? myCellArray = {'John','Mike','foo'}; substring = 'Jo' find(contains(myCellArray,substring))

16 jours il y a | 0

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A répondu
Model Settings / Configuration parameters updating using script
set_param(mdl,"StartTime","10","StopTime","40") https://www.mathworks.com/help/simulink/gui/starttime.html Hover your mouse ov...

16 jours il y a | 0

A répondu
how to model this schematic low pass filter in simulink?
If you have this toolbox https://www.mathworks.com/products/simscape-electrical.html

16 jours il y a | 0

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The logical indices contain a true value outside of the array bounds
No. The problem is about the size mis-match a=1:3; index=[true false true true]; a(index) In your case, you are doing logica...

17 jours il y a | 0

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Fixed step solver explanation needed
A little explaination here. https://www.mathworks.com/help/simulink/gui/fixedstepsizefundamentalsampletime.html You can select...

17 jours il y a | 1

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How to set continue function?
doc continue doc break

18 jours il y a | 1

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Assign values to an array based on an if statement from a larger array
inputArray = [0 1 0 3 0 5 0 7 0 9 0 11 0 13 0 15 0 17 0 19 0 0 20 0 0 21]; index=(inputArray~=0); tempData=inputArray(index); ...

19 jours il y a | 0

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A répondu
Tune “VariableName” of “From Workspace” block
"Tune" usually means to change the value while the simulation is running, like a Gain value. What you need doesn't sound like "t...

23 jours il y a | 0

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A répondu
Help with non-linear block spring mass system
Use two integrators connected in series to construct q1. The output is q1, the input is "q1 two dot". In the middle, it is "q1 d...

environ un mois il y a | 0

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