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I noticed that some GoTo and From signals (input port no. 1) are not connected properly after the transfer (from one system to another system) of the model.
The number on top of the line indicates the size of the signal. "1" means a scalar. "2" means 1x2 or 2x1 vector. "?" means it ca...

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How to achieve fan rpm with increasing step size?
The "step" increase you saw is probably determined by your lookup data and simulation step size. What you really need is proba...

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Does anyone know which Simulink Block this is?
It looks like the "Fcn" block specified as "u(1)". It is used to pick out the first element. https://www.mathworks.com/help/re...

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How to skip an empty value
You can use isempty(rp) to check, and then ignore as needed.

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Unpack structure, only some fields
make use of fieldnames()? Avoid using the unpack() name. There is a built-in function with the same name. par.a=3.5; par.b=[4...

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Element wise (.*) in Simulink for two matrices with different dimensions
a=[1 2 3; 4 5 6]; b=[1; 0]; a.*b This is a change made in MATLAB in R2016b when implicit expansion is introduced. Prior to R2...

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Is it possible to change a parameter in a Simulink model each time it is run via a for loop in a MATLAB script?
Yes. Run Simulations Programmatically sim()

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How do I fetch the linked Data Dictionaries to a Simulnik model with Commands?
There is an API. Start from here https://www.mathworks.com/help/simulink/ug/store-data-in-dictionary-programmatically.html

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Delay certain subsystem in simulink
Make the subsystem a triggered subsystem. The Clock block gives you the simulation time. Compare its output to a Constant block,...

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Checkpoint to save the state of Simulink simulation at a specific sample time
Start from here https://www.mathworks.com/help/simulink/ug/model-operating-point-for-faster-simulation.html

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How to activate the Edit-time checks under the Model advisor
on the Modeling tab, beside the "Model Advisor", click the little "down" triangle to see the "drop down list", then check or un-...

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Discrete Average on Simulink
See attachment. Use "window length" of "6" instead of "600" to illustrate. The build-in "Moving Average" block (it requires "DS...

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How to line plot the data in the Matlab?
plot(x,y,'.') is probably good enough.

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How do I save a SINGLE value from the workspace?
You will have to assign that value to a temparary variable and then save it. a=rand(10,2); %save test.mat a(8,:) % this will c...

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Bias block not working properly with fixed point data type
fixdt(0, 12, 0) means "unsigned". The Bias block does the "Y=U+Bias" operation. The value of -1 can't be represented. If you try...

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how do I write 2^-x in MatLab?
x=1; 2^(-x)

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Get DataType from a Simulink Consant Block (datatype is propagated from the output)
Make sure your model can pass model update (no errors). See example below: f14;%open the example model f14([],[],[],'compile')...

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How to clear the search terms in the search box of the library browser in Simulink?
All previously typed search terms are saved. You can double click or press-and-hold to select all, then type it over. You don't ...

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How to use interpolate struct data in simulink?
In general, in Simulink, the "2-D Lookup Table" block can be used to do what interp2() does in MATLAB. You need to figure out t...

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Summation in MATLAB in 4 dimenstion
S = sum(X,DIM) sums along the dimension DIM

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Scalar variable as output of Matlab function in Simulink
In your code, you use the find() function. It could return zero, one or more results. That is why the inital error message says ...

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The Simulink model is fixed-point based on floating-point numbers
No way to tell what exactly caused the problem from the snapshot of the model. In the MATLAB Function block editor, you can clic...

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How to use the solutions from the previous study as initial conditions in a new simulation in Simulink?
Save and Restore Simulation Operating Point

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Matlab Simulink command Generator Code Question
Use the "Signal Builder" block. Signal, New, Custom... Specify time-value pairs.

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variation of the parameters of a diode during simulation
The value of a "parameter" of a block is designed to be constant during a simulation. There are ways to pause a simulation, chan...

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How to copy a subsystem block from 2019b to 2021b in simulink?
In R2019b, save your model or blocks to a file (.slx or .mdl). Then in R2021b, Open it and then save it.

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Error: The external inputs specified for the block diagram indicate that the port dimensions should be [MxN]. Instead, the port dimensions are being set to [?].
If your variable size is 1x11 and you import it to Simulink as it is, then the data is interprated as First column is time vac...

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Error: When loading a matrix input, the blocks loading the corresponding data columns of the matrix must specify dimension using a scalar
In R2022b, open this doc and see the example model. To import 2D data, there is a specific format which should be the same rega...

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extract points from a table and plot them on Simulink
Let s=1/48000 and A be your matrix data above. Here are the two methods I mentioned in the answer to your previous question. Sp...

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Speed of Sfunction builder in Simulink
The execution time of the S-function depends on the processing task and the CPU. Generally, more complex task, more time. More p...

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