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# Fangjun Jiang

Last seen: Today Con actividad desde 2011

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

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How do I run same subsystem for certain number of times in Simulink?
Use the "For Iterator Subsystem" block https://www.mathworks.com/help/simulink/slref/foriteratorsubsystem.html

9 días hace | 0

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setting decimal point precision in handles.object
As you can see, the value for "editable text field" should be string. You can't do "set(handles.triAreaCalcFld,'String', area)"...

9 días hace | 0

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Is there a way to make a persistent variable using the C Caller block?
Your MATLAB release is R2018b so I assume you are referring the "C Caller" block, not the "C Function" block. "C Caller" block ...

10 días hace | 0

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Error Meassage Simulation of model '....' is not allowed because it is a 'subsystem' block diagram
sim() starts the simulation of a "model", not a "block" inside it. To simulate that subsystem block, you have to copy that sub...

11 días hace | 0

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Limit value to a function
y1=sin(0:0.1:10); y2=min(y1,0.8); plot(y2)

11 días hace | 0

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SIMULINK Lookup table for several inputs and outputs
2-D lookup table or n-D lookup table will do. Check the block document for examples.

11 días hace | 0

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How to cut the desired signal?
In general, t=0:0.1:3.5; signal=0:35; index=and(t>=1.5, t<=2.0); new_t=t(index); new_signal=signal(index); plot(new_t, new...

11 días hace | 0

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Cannot use equal operator to test function argumants
a = input('Enter first value: ') "a" is already a numerical value. You don't need all the str2double() calls. when you call s...

12 días hace | 0

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Simulink Local function debug gives "Undefined function 'myFunc' for input arguments of type 'double'"
Don't do "F9". Add a break point in the Editor, press the "Step" and other buttons to debug.

13 días hace | 0

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replace initial matrix with a new one on Simulink
All you need is a "Product" block and a "Unit Delay" block. Use the "Unit Delay" block to get the value of s from previous step....

13 días hace | 0

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In simulink ,a feedback system, how may I use different row in a matrix input every single time?
Use the "From Workspace" block to import A. Read the Help document of the block to understand the needed format. Basically, yo...

13 días hace | 0

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Sort a string array according to equivalent names of another string array
names=["A";"B";"C";"D";"E"]; S1=["d";"c";"e";"a";"b"]; [~,index]=ismember(names, upper(S1)); S2=S1(index)

17 días hace | 0

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You need to understand the difference between MATLAB and Simulink. This Simulink block diagram will give you the curve. Set th...

17 días hace | 0

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Is it possible to have tags=signal name in Simulink?
No. I could think of two reasons not to do that. In many models, many signal lines have no label (i.e. the "signal names" are ...

17 días hace | 0

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Cant use Excel names to fprintf?
see this example fname={'abc'}; fprintf('%s',fname) fprintf('%s',fname{1})

23 días hace | 0

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How to replace a single Simulink block with self-modifying mask block with same interface, maintaining all connections
I was able to duplicate your problem. I don't know why. Need more time to figure it out. But I did find an alternative. Basical...

23 días hace | 0

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Change cell object to char
a={'abc'} whos a b=char(a) whos b

24 días hace | 0

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Function with multiple inputs to function with vector input
f=@(z1,z2,z3) z1+z2+z3; f(1,2,3) a=1:3; b=num2cell(a); f(b{:})

24 días hace | 0

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Error with writing a function
You must have included this in your script. This is not all of your code. The direct solution for this is to add an "end" line ...

25 días hace | 0

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How to use SIL simulation with a simulink model containing continous blocks.
You could run the whole model in SIL or PIL. Or you could select a subsystem, right click, replace it with a SIL or PIL componen...

25 días hace | 1

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How do I change drop - down value of a block in Simulink model for my simulation input object?
For changes like this, if you do it manually, meaning changing from 'Element-wise(K.*u)' to 'Matrix(K*u)', the Simulink model is...

30 días hace | 0

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Is it possible to creat a text list of signal names in a bus?
See if this helps you. Your model must have passed model update (Ctrl+D) without error. Select a BusSelector block where the in...

30 días hace | 0

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Need to check input between range and convert it if not
The best way is to make sure theta is within [-pi, pi]. All trigonometry functions in MATLAB/Simulink has a defined output range...

30 días hace | 0

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How to call one of the outputs of the function?
phi_ave_x = crk4_aee321_Lorentz(xi,yi,zi,dt) [phi_ave_x, phi_ave_y] = crk4_aee321_Lorentz(xi,yi,zi,dt) [phi_ave_x, phi_ave_y, ...

alrededor de 1 mes hace | 0

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How can I get rid of error--'Model' Parameter must be a character vector
If your model name is 'codetrial', then it should be sim('codetrial').

alrededor de 1 mes hace | 0

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Open the MATLAB Function block Editor, click "Edit Data", specify the dimension (size) information of the output data "dist".

alrededor de 1 mes hace | 0

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Enable block vs atomic block
The atomic subsystem is executed at 4s, 8s, 12s, etc. if enabled. It is not "after it is enabled (regard this as time 0), then ...

alrededor de 1 mes hace | 0

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Detect change between two stateflow

alrededor de 1 mes hace | 0

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Retrieve Simulink model input dimensions using matlab
I think Simulink has a series of ways to determine the signal dimensions. Propagation takes higher priority than back propagatio...

alrededor de 1 mes hace | 0

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Why aren't global variables being recognized in Simulink model explorer?
Double click "MATLAB Function1" to open the Editor, click "Edit Data" button, add data "B" as a "Data Store Memory".

alrededor de 1 mes hace | 0