# Sulaymon Eshkabilov

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

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Error in line for CVX

Here is the corrected part of the code: ... %cvx_begin % Invalid MATLAB command v_max = [0.08 0.01 1.13; 0 ...

1 day ago | 0

Trying to assign names to output values of 10x10

It can be done this way, e.g.: OUT = rand(5,1); for ii = 1:numel(OUT) fprintf('Ax(%d) = %f \n', [ii, OUT(ii)]) end %% OR ...

1 day ago | 0

Trying to assign names to output values of 10x10

Should I understood your question correctly, you want to assign variable names for your computation output values. If so, that i...

1 day ago | 0

How to make gif using mp4 file in MATLAB

Have you tried MATLAB's writeanimation() fcn: https://www.mathworks.com/help/symbolic/writeanimation.html what about imwrite...

1 day ago | 0

Finding Argument of Bessel Function (1st Kind) to Return Known Solution

If you set the solution range, then you will get a positive solution, e.g.: ... Sol = vpasolve(besselj(0,F), r, [0, 165])

2 days ago | 0

Trying to compress a signal.

Have you read this help DOC: https://www.mathworks.com/help/signal/ug/dct-for-speech-signal-compression.html that explains all ...

2 days ago | 0

I have a problem in solving and animation

There was one potential size related err in Y2 that is fixed. Plug in this into your code and then your simulation works OK. ....

3 days ago | 0

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Creating a pseudo-color image from a grayscale image

(1) Embed these three equations for variable x and c1, c2, c3, c4 values (2) Concatenate R, G, B that becomes the pseudocolor i...

3 days ago | 1

my code keep running continuously with no stop ... help appreciate

In your code, [while ... loop] has to be eliminated and then everything else works ok. % while true % To be eliminated ... ...

3 days ago | 0

How to plotting a 3D bar graph from 3 sets of data

Yes, it is viable to some extent what you want in MATLAB: Z = readmatrix('Mock_Data.xlsx'); ZData=Z; H = bar3(Z); for ii = 1...

4 days ago | 1

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Fill array with called function using initial conditions. Eulers based.

There are a few variables are to be defined in your two fcn files, i.e.: %Cat position program %-----------------------------...

4 days ago | 1

How to ignore NaN in a string cell

A simple answer is e.g.: TEST = test(cellfun('isclass', test, 'char')) % All NANs removed An alternative solution is e.g.: t...

4 days ago | 0

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Using variables from a .mat data file in a user-defined function

Note that the variable names stored and loaded from your *.mat file have to be consistent with the variable names called in your...

4 days ago | 0

Spread monthly data into days

You can import your data and easily convert them as you need using importdata() - see help DOC and convert date data into numb...

4 days ago | 1

How to convert a large set of variables in the MATLAB workspace into an Excel file?

Here is a nice discussion thread and help documentation: https://www.mathworks.com/matlabcentral/answers/589042-how-to-write-all...

4 days ago | 0

I have to automatically update excel after each run so that numbers are stored in different cells in number plate extraction. Can anyone help?

Probably, it is worth to try writematrix() to write your data in '.txt' or '.csv' or '.xls' with 'append' option on.

4 days ago | 0

How can I sort data in increasing order

Use sort() that sorts in an ascending order and then take the indexes that will be used for the others, OR put in a table using ...

4 days ago | 0

I am unable to display my output for my graph.

Here is a corrected code: t = 0:0.01:20; Vo = 90; angle = [10 25 45 65 85]; g = 9.81; yo = 0; mm = 0; for theta = angle...

4 days ago | 0

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how inverse number ?

MATLAB has a built-in fcn to compute the iverse of a square matrix that is inv() or ^-1 ALso, to compute the inverse of non-sq...

5 days ago | 0

How to export figure or contour values into excel file

The simplest and easiest solution here is to employ fplot instead of ezplot. And from fplot() you can obtain numerical values an...

5 days ago | 0

Why do I receive incorrect result from ode45?

You can try to tighten the relative and absolute error tolerances, e.g.: OPTS = odeset('reltol', 1e-5, 'abstol', 1e-7); [z,con...

5 days ago | 0

Simulating dynamics for an autonomous system

There are a few different ways by which you can generate a, b, c. Here is one of the viable cases: a = rand(1, 100); % [0, ...

5 days ago | 0

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two 3*3 matrix multiplication using for loop in matlab.

Maybe you want to perform elementwise mutliplication of two matrices, if so, : A.*B FOR or WHILE loop are not advised to use f...

5 days ago | 0

Generate 10 numbers from matrix

Based on what you've stated the following could be what you want to obtain: v1 = randi(10, 5, 5) %#ok % Is existing matrix...

5 days ago | 0

How to accumulate values from time 1 to the last time

Here is one of the possible routines to read all 1e4 files and collect all data into a signle variable and the rest is relativel...

5 days ago | 0

how to stack 3D images from 2D images after semantic function.

There is a small err in the code. Here is the corrected part of it: for k = 1:numFiles % Starts at 1 fullFileName = fullf...

5 days ago | 0

Determining Order of flattening an array using colons

How about this: A = cat(3, eye(3), eye(3), eye(3)) B =reshape(A(:,:).',3,[])

5 days ago | 0

How to combine 2 tables with different variables into 1 table?

Note that join() works very well, but you should correctly define the two table to be joined. See this example: A = (1:5)'; B =...

8 days ago | 0

Matrix multiplication within a function not working

There are a couple of errs in the code. Here is the corrected version: function lutlum = lutlummer(image) for i = 1:1:256 ...

9 days ago | 0