Community Profile # Sulaymon Eshkabilov

Last seen: 4 days ago Active since 2019

research interests: vibrations, optimal control, system modeling and simulation, mechatronics... coding

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Is it possible to rename columns in a table?
This way of an array to table conversion is also feasible and less computationally intensive. B=[10 11 12 13 14; 15 16 17 18 19...

21 days ago | 0

How can i solve this differential equation by the method of finite difference approche?
There are a few different ways and builtin functions by which your 2nd order BC ODE exercise, e.g.: bvp4c, bvp5c, deval. DOC ...

21 days ago | 0

How to perform arithmetic operation on sparameters?
There is a small error in your script. Here is the corrected one: hR1 = resistor(50,'R50'); hckt1 = circuit('example2'); add(...

21 days ago | 0

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Why cant I do the simulink fundimentals course on desktop
To use a desktop version of the tutorial, your MATLAB/Simulink package has to be R2022a or later. Otherwise, you would need to u...

1 month ago | 0

How to perform linear curve fitting based on distance from line instead of residuals
You can try a scaling factor here. Your data seems to be within [355 365]; thus, take out 355 from x and then perform the linear...

1 month ago | 0

One of the possible solutions can be using cell array to define the indices, something like this way: INDEX = {1:1000, 4000:500...

1 month ago | 0

Help ME ! Error in feature input layer in CNN, Number of observations in X and Y disagree
As I see in your code the X and Y have mismacthed sizes: inputs = inputs'; % size : 18000*10 targets = targets'; % size : 1800...

2 months ago | 0

matrix points from a plot
What you are trying to attain is to display the found max value and depth location to be displayed in the simulation order: ......

2 months ago | 1

I have three coupled differential equation and need help to solve them
Your given exercise is a type of implicitly defined ODEs and thus, you should employ ode15i - see this doc.

2 months ago | 0

plotting linear differential equations and using a bode plot for amplitude and frequency
It is a quite straightforward exercise and no need to solve for an analytical solution. Convert to "s" domain (Laplace transform...

2 months ago | 0

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How can i determine the area below a plotted graph?
If understood your question correctly, this is what you're trying to compute is the area under the big bell curve? A=[ 0.6495 ...

2 months ago | 0

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How to import and read several large csv in matlab
If your data file names are sequential, then you may consider using this type of approach here: FILE = fullfile('C:\Users\...',...

2 months ago | 0

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I want to access multiple excel files from multiple folders and extract specific cell values.
You may consider using this kind of approach: MY_Folder= '...\MATLAB'; % Specify your folders where your dat...

2 months ago | 0

Using date and time in MATLAB
(1) Import data into MATLAB: DB = readtable('YOUR_MS_Excel_Data.xlsx', 'Sheet', 'LoadProfile&Tariff', 'Range','A2:B38'); (2) C...

2 months ago | 1

fixed point taylor sine/cosine approximation model
WHy not to use matlab's built-in taylor() expansion fcn: https://www.mathworks.com/help/symbolic/sym.taylor.html?s_tid=doc_ta ...

2 months ago | 0

can anyone will help me please? i want a barcode detection code? Please....

2 months ago | 0

Warning: Imaginary parts of complex X and/or Y arguments ignored.
from your problem statement, your calculation results a, b and amean, bmean contain some complex values. Thus, plot() fcn plots ...

2 months ago | 0

How to cite MATLAB??
Here is one good source in addition to what Rik has proposed. E.g.: MATLAB. (2022a). Natick, Massachusetts: The MathWorks Inc....

2 months ago | 0

How to delete a Matrix in a 3D Matrix?
You are trying to change the size of the matrix that can't be achieved in this way. If you need to find and substitute NaNs with...

3 months ago | 0

How do I make a figure legend multiple lines?
This one is a better solution that is easier to implement: plot(sin(1:.1:10),'r', 'DisplayName', 'Cosine'), hold on plot(cos(1...

3 months ago | 1

finite element for 1d poisson equation
You can employ matlab's PDE toolbox fcn pdepe(). How to use it: doc pdepe Also, you can find some good help in this DOC.

3 months ago | 0

Image analysis for Signal processing help
Using the Discrete Cosine Transform is quite straightforward. You'd need to employ dctmtx() fcn. Help documentation: doc dct...

3 months ago | 0

Image analysis for Signal processing help
Use imcrop() How to use this function: >> doc imcrop

3 months ago | 0

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Perform fminsearch to find the best value for the variable in a model
One pranthesis was missing: ... for ii = 1:numel(Imeas) Itheory = @(Ro)(Imeas(ii)*exp(-Ro*-2*bet_a*k*2*Ro*(1-(y(ii)/Ro)^2))...

3 months ago | 0

How do you obtain the equation of the Adaptation mechanism adjusts in the MRAC PID block?
It is found here: Simscape / Electrical / Control / General Control If your MATLAB/Simulink package has Simscape toolbox. Yo...

3 months ago | 0

Perform fminsearch to find the best value for the variable in a model
Note the following two points in your code that must be identical and input variable names must match as defined above: Itheory...

3 months ago | 0

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Keyboard shortcuts are not mapped correctly to different language keyboard
Use preferences options to adjust your keyborad shortcuts, e.g.: >> preferences follow: Preferences -> keyboard -> Shortcuts ...

3 months ago | 0