Sulaymon Eshkabilov
research interests: vibrations, optimal control, system modeling and simulation, mechatronics... coding
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MATLAB Central Treasure Hunt finisher badge
Awarded to Sulaymon Eshkabilov on 18 Jun 2021
Answer 50 questions that were unanswered for more than 30 days
Awarded to Sulaymon Eshkabilov on 15 Jun 2021
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Solve all the problems in Draw Letters problem group
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Solve all the problems in Indexing V
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Solve a problem with a best solution
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Solve all the problems in CUP Challenge
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Contribute at least one answer each month for 12 consecutive months
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Content Feed
What should go in a next-generation MATLAB X?
Another good and useful tool for students is to have a built-in function to reset all changes made by a user in preferences and ...
circa 5 ore ago | 2
What should go in a next-generation MATLAB X?
One of the most common pitfalls for the beginners are how to do correct memory allocation even though MATLAB automatically pinpo...
circa 5 ore ago | 0
Extracting non zero values from structure variable
Use logical indexing to take out non-zero values from a sturcture array, e.g.: S.m(1) =0.1; S.m(2:5)=0; S.m(6:9)=pi; S.k(1:3)=...
2 giorni ago | 0
| accepted
Solving for multiple solutions and plotting them
Here is the corrected code: clc; clearvars format short g M1 = 3; P1 = 1; theta2 = 1:1:20; gamma = 1.4; phi = 4.8; syms ...
2 giorni ago | 0
How to mark range of Y values in a plot?
Here is one of the viable ways how you can achieve your goal of simulation: clearvars; close all k=100; % ...
2 giorni ago | 1
using voltage sensor in program code
There are a few different ways to obtain signal readings into matlab workspace. (1) using [out] block (Simulink/Sinks) connecte...
2 giorni ago | 0
| accepted
How to wrap live editor output
Use Preferences, e.g.: >> preferences In Preferences, Editor/Debugger -> Display ...
2 giorni ago | 0
how to I get the equation of polynomial fit into my code
Use these icons to export the fit model into workspace as shown in the Screenshot shown here. Then use the exported fit model...
2 giorni ago | 0
using voltage sensor in program code
(1) Make sure that you have Data Acquisition toolbox installed. And if it is there, then you can check the followings. (2) find...
2 giorni ago | 0
Defining a function for a vector of values, while keeping two variables unknown
% Here is the complete solution syms y z A =1:5; F = @(A, y, z) sum(A+y+z); FF = (F(A, y,z))
6 giorni ago | 0
How to add a .png image to be published as a pdf output file
Note the file extension - Part1.jpg That looks like that in your code the file extension is NOT *.png but *.jpg Your image fi...
6 giorni ago | 0
Defining a function for a vector of values, while keeping two variables unknown
Supposedly, this is what you are trying to achieve: syms y z A = magic(3); F = @(A, y, z) cumsum(A+y+z); FF = (F(A, y,z))
6 giorni ago | 0
dot product and indexing
The explantion is as follows: % Step 1. Comparing every individual value (element of) of NCol row vector (row matrix) % with ...
6 giorni ago | 0
How to add the count of iterations and relative error to the code?
Here are how you can obtain the final iteration and rel./abs error values when the roots are found. function root = newton(fun...
7 giorni ago | 0
I want to solve solution for Equation which is behaving like both ODE and DDE
You can try to employ Laplace and inverse Laplace transforms, laplace() and ilaplace()
7 giorni ago | 0
How do I create a for loop with fields of structures?
You can try to work with fieldnames() and getfield() names, e.g.: Fnames = fieldnames(Global_Data); for ii = 1:length(Fnames) ...
8 giorni ago | 1
Two area three unit thermal power system
In your m-file, one of the variables is not initialized correctly, see: ... b1=0.4249; b2=0. % ERR 4249...
8 giorni ago | 0
Index is out of range when creating 3D arrray
If NUM_data = 40, then your code should sth like this one: ... for n = 1:NUM_data X(:,:,n) = dlmread(list(n)); end ....
8 giorni ago | 0
Non linear regression: Matlab function similar to Excel solver ???
MATLAB's fitnlm() builtin function works for nonlinear regression analysis in your exercise you can use it. See this help docume...
8 giorni ago | 0
Converting an animated time step 2D plot into 3D
You can employ meshgrid().
9 giorni ago | 0
How do I insert Nan values into a list, if there isn't a file which has a specific name? when exporting column values of multiple files into new file.
The data (nV) import and augmentation from the data files can be done using readmatrix(), strcat(). E.g.: DS =[]; for ii = 1:5...
9 giorni ago | 0
Trouble using the system command with special characters
One ' sign is missing before 1st comma "," datenum = str2num(num); system('convert −delay 65 −loop 0 [ea','_',KXXX,'_',datenum...
9 giorni ago | 0
Mortgage repayment option in matlab
... MP =(HP.*(MR/12).*(1+MR/12).^360)./(((1+MR/12).^360)-1)
9 giorni ago | 0
| accepted
Having Unrecognized function or variable (name)
Note that the assigned variable value for keyGen() has to be predefined or initialized before assigning its value to another var...
9 giorni ago | 0
How many terms of series are required to get accuracy upto three decimal point. That is series sum correct upto 3.141
Indeed, it is working ok. Here is a test with 0.0001 decimal accuracy. There is one minor point that needs to be fixed withing f...
9 giorni ago | 0
Reading all columns and rows of a matrix in a for loop
Your code should work correctly according to your described statements and variable sizes.
9 giorni ago | 0
Determine the rocket's equation of motion
In your code, you need to make some corrections, e.g.: ... disp(t1); disp('Tai thoi diem nay ten lua da ra ngoai vu tru va kh...
9 giorni ago | 0
Question
Why the following simple calculation is NOT consistent
Here are simple multiplication and division of scalars but the results are not consistent. What is causing this and how to make ...
23 giorni ago | 1 answer | 0
1
answerReading a variable that have different names in different data files
Have you tried this ways of reading data, e.g.: for k = 1 : nfiles fullFileName = fullnames{k}; %reading the file as a t...
25 giorni ago | 0
How to read a very large number, say of 700 digits?
A good solution for this exercise is vpi() fcn developed by John D'Errico: https://www.mathworks.com/matlabcentral/fileexchange...
26 giorni ago | 1
