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i've got a license problem. i've matlab student license. , my computers harddisks has a problem and i tried to fix it but i cant. after that i changed harddisk and i cloned old harddisk to new disk. and my matlab gives to me license problem. fix?
Log into your Mathworks account, de-activate and then re-activate Or activate directly from MATLAB, Help->Licensing->Activate S...

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How can I tell Simulink Embedded Coder to get its variable names from my signal names, not the source block names?
Select the signal line, right click, select "Properties" Provide the signal name (e.g. "c" ), check "Signal name must resolve t...

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How can I create a function to access substructure values?
Using dynamic field names, you don't even need the function. But if you do, it is quite simple. structName.(dynamicExpression) ...

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Add table variable (addvars) with changing variable names
Seems no problem running the following code: clear; A=1; A1=2; A2=3; B=who('A*') T=table; addvars(T,B);

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who provided the fmu-matlab-setup scripts?
In your MATLAB, clik the "Add-ons" icon, then "Get Add-ons", search for "Tool-coupling".

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Copying a block and dynamically changing the name and sub block names.
The question is not very clear. You might be able to use gcb, gcbh, getfullname().

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Can't run my simulation because of integrator. Error pop ups plz help!!!
You have the Clock as the input. Clock starts from zero when you start the simulation. Taking 1/u of zero results infinite.

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How to put a char text to a existing panel
text() is to add text to an axes. use uicontrol() with "style" as "text".

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how can solve breakingpoint in simulink ?
The values in lookup_in must be monotonically increasing. Right now it is not. The third value is not regarded as larger than ...

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Error with s-function when simulink system is called within a matlab function
You need to specify the srcworkspace as 'Parent'.

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How to use a variant sink depending on its input
I think the "Variant Sink" block is un-necessary. If you want to stop the simulation when any of the output goes nagative, then ...

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Open a file according to text box value.
Why don't you make the push button to call [filename, pathname]=uigetfile() to select the file? Then you can use the text box to...

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Use spreadsheet time input for simulation timestep?
Theoritically you can't specify the exact simulation time as it is determined by other factors such as accuracy or tolerance. Th...

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How to get information on a Simulink.Signal data store?
Just like you did in the script, as long as you know the Simulink.Signal object name. To get the data type: DataStore.DataType ...

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Does the Simulink State-Space block use the Matlab function "lsim"?
The Simulink State-Space block is one of the ways to specify a linear system. The simulation method (or solver) is specified in ...

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there is something in the figure that I want to be deleted
Hover over the "yellow box", left click and then press the "Delete" key It is the "Data Cursor". You can see that icon on the t...

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How do I save a figure with the same file name as its title within a for loop?
saveas(gcf, Y{k}, 'fig')

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Retrieving only one field in a struct
value=getfield(X,'z')

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How to transpose a cell array converted into a character arrray?
a={'Green','Blue','Red'}; b=a'; aa=char(a); bb=char(b); isequal(aa,bb) Both aa and bb are 3x5 char array and they are ide...

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Modify cell array contents?
mat2cell(A{1},1,[2 2 2])

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Covert matrix to sub-matrices
reshape()

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Can i use the same MATLAB function in Simulink multiple times?
I would assume so. Just create that function and save it in your MATLAB path and then call it in your MATLAB Function block. You...

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delay in Simulink Matlab function block
It looks like the Delay block in Simulink could meet your need.

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Is it possible to merely set an "upper limit " in Saturation block, that is, an potential negative infinite lower limit?
Try to set it as -realmax or -inf.

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How to produce and save in a variable a list of a folder's files?
a=dir('*.mat'); b={a.name}

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How to use "dir" command to get desired files in a folder?
dir('ign*.txt') and dir('ifs*.txt') should be able to separate them.

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Simulink S-Function Output Ports
This is not a Simulink S-function. It is a MATLAB Function block. Anyway, as you've shown in your attached image, just explici...

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How to split vector to seqences
reshape(x,3,[]) reshape(x,[],3)

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Separately license additional toolboxes
Yes. I've done this for a long time. If you look at this document, you'll find that there are many ways to specify the license ...

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Possible to export signal names from Simulink mux output to matlab workspace?
I would recommend that you replace all those "Mux" blocks with "Bus Creator" blocks. Then, follow this example: open_system(...

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