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Libraries, model workspace, base workspace and how to parameterize my models
Hi Carlos, Is there any specific reason you have decided on using libraries for this? It sounds like you'd have a much easie...

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handles in GUI code
A little string searching combined with some struct functions will get ya what you need handles.instr1 = randn; handles....

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assign differernt marker and put an offset in x-axis in subplot()
Two comments * You can easily plot a group of lines using a single call to the plot function if you arrange each column of th...

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Updating application data from several GUI's
When you write setappdata(0, 'hMainGui', hMainGui); MATLAB is literally just storing a number to the root level object 0...

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Structures in Simulink
Are you referring to a structured signal? If so, check out the Bus Creator block in the Simulink -> Signal Routing library.

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Callback and evalin
Also, not sure if you are aware of this, but you can have the Simulink model resolve variables in the caller workspace instead o...

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Problems updating variables from java generated m-files
Sounds like MATLAB isn't aware a file has changed, and might be using an old, cached version of it. Two thoughts you might tr...

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emlmex error
Is there any way you can upgrade MATLAB versions? It seems like support for MSVC 2010 has really improved between R2010a and R2...

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Disagreement between step function and stepinfo function.
Does the step function give ok results if you don't add t as a second argument? I ask because the spacing of your t vector may ...

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sort arrays with sortrows
How are you reading the data into MATLAB? I think the format you have the data stored in could make or break sortrows in certai...

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read a file .txt with 'm' rows and 5 columns and ....
Ok i was curious... data = dlmread('myFile.txt','\t') %assuming tab delimited colsOfInterest = data(:,2:4) n...

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Using EOF flag to change multimedia block parameters
Could you put the logic to switch files and restart the simulation in MATLAB instead? You could redefine the file using set_p...

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Trouble in upconverting a narrow band signal to a 1 GHz carrier using Simulink
Short answer - do one of the following * Insert a Rate Transition (Simulink -> Signal Attributes) block anytime you have a si...

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Converting iddata to a double
Is this what you mean? %Create fake data u = (0:0.01:2*pi)'; y = sin(u) + 0.1*randn(size(u)); %Create iddata o...

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Algebraic Loop Journey of Understanding
Adding an Enable port to a subsystem makes the subsystem Atomic, so Simulink has to treat the internal contents of the subsystem...

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strange behavior (bug?) with subplot and setting outerposition
I'm not 100% sure why it is removing the third axes. That aside, I've got a couple thoughts for ya 1. If you are going t...

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Simulink to a DLL to execute from an Desktop .Net Application
You can certainly do this with your Simulink model. Simulink Coder (formerly Real-Time Workshop) allows you to generate C/C++...

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Access Images in a zip file without unzipping
You may be able to find an external unzip utility and call it from within MATLAB using the system function. The GNU unzip seems...

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Filtering Data
Here's a filter function example for ya... Doc reference: <http://www.mathworks.com/help/techdoc/ref/filter.html> Examp...

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Parameter estimation with more data sets
Are you referring to parameter estimation tasks with Simulink models? If so, I believe it is. You just add each data set und...

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how to change, by using commands, the space between plots when using a subplot?
I can think of two ways 1. Manually move the axes position >> ah = subplot(2,2,1) >> currentPos = get(ah,'Position');...

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Can't pass parameters from a mask to a subsystem
Are you masking a Model block, or a subsystem? It sounds like you added a mask to a subsystem in your top description. However...

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Query regarding induction motor equation
Hmm... I can think of two options 1. Use a Divide block, with the "Multiplication" setting to "Matrix". Then, pass the 4-by-...

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S-Function && MS Visual Studio C/C++: Segmenation Violation -> how to find error?
I've never heard of anything like this. However, before I knew about debugging S-functions properly, I used to use printf state...

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Output Length of signal filtered using FIR Filters
I believe generally convolution is used, though I am no signal processing expert so I can't speak to all filter variations. T...

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Coupled Differential Equation
I would recommend giving these a try: <http://www.mathworks.com/help/techdoc/ref/ode23.html> I've never used them with the...

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matlab code wavefront generation
You mean like this? >> x = 0:0.01:2*pi; >> y = -1:0.01:1; >> [X,Y] = meshgrid(x,y); >> wavefront = sin(X); >> s...

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Gaze Interest Heat Map
It sounds like you are looking for a 2-dimensional histogram. There is none in default MATLAB, as far as I know. However, seve...

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How to change variables in time in Simulink?
It sounds to me like you want the mass data to be a signal, and not a parameter that is defined by a workspace variable. I ...

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Help about Building GUI
There are a lot of GUI examples in the file exchange. Here's one from Mr. Matt Fig himself: <http://www.mathworks.com/matlab...

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