Sulaymon Eshkabilov

Last seen: Today | Active since 2019

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

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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...

10 days ago | 0

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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: ......

11 days ago | 1

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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.

11 days ago | 0

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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...

12 days 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 ...

14 days 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\...',...

14 days 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...

14 days ago | 0

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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...

16 days ago | 1

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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 ...

16 days ago | 0

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can anyone will help me please? i want a barcode detection code? Please....
Use matlab's built-in fcn readbarcode(): https://www.mathworks.com/help/vision/ref/readbarcode.html

16 days ago | 0

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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 ...

17 days ago | 0

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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....

26 days ago | 0

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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...

2 months ago | 0

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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...

2 months ago | 1

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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.

2 months ago | 0

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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...

2 months ago | 0

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

2 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))...

2 months ago | 0

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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...

2 months ago | 0

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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...

2 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 ...

2 months ago | 0

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How to detect rotation in a trajectory?
One way of detecting the region of values is using logical indexing, e.g.: t = ... x = ... y = ... % Way 1 Ind = t>=0 &...

2 months ago | 1

Answered
Perform fminsearch to find the best value for the variable in a model
There are a couple potential of errs in your code. (1) Ifunc fcn has to have two more input variables, viz. bet_a, k and thus, w...

2 months ago | 0

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Laplace Transform of Given Differential Equation
Note that if your system has "zero" ICs and not excitation force; therefore, your system solution (response) will be zero. If yo...

2 months ago | 0

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It is Simulink Related
See the attached screen shot how to perform a search.

2 months ago | 0

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Import .csv files in my folder directory.
probably, you'd better use a loop, e.g.: for ii=1:Number_csv % Number of *.csv files D{ii}=readmatrix(strcat(num2str(i...

2 months ago | 0

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Answered
Laplace Transform of Given Differential Equation
Laplace transform does not work at t ~0 initial conditions and thus, here dsolve() might be a better option, e.g.: syms y(t) D...

2 months ago | 0

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How to Identify Range of Frequency which is Noise from FFT Freq Domain graph
Your filtered signal is not quite noise free as it shows here from your script, and your obtained FFT is not quite correct. [x,...

2 months ago | 0

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MATLAB gives the integer value of subtraction when the difference between numbers is large.
Specify flotaing point format accordingly, e.g.: a=[1;1;1;1]; b=[10^23;10^23;10^23;10^23]; c=a-b fprintf("%1999.0f \n",c) ...

2 months ago | 0

Answered
how to pull correct h into h(i)
Hi, You meant A(2,2) to have h=6.5929, A(3,3) to have h = 6.0625, correct? If so, you can adjust your loop by adjusting inde...

2 months ago | 0

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Sulaymon Eshkabilov

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