# Sulaymon Eshkabilov

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

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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 ...

ongeveer 22 uur 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...

ongeveer 22 uur 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)=...

3 dagen 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 ...

3 dagen 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; % ...

3 dagen 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...

3 dagen ago | 0

| accepted

How to wrap live editor output

Use Preferences, e.g.: >> preferences In Preferences, Editor/Debugger -> Display ...

3 dagen 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...

3 dagen 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...

3 dagen 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))

7 dagen 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...

7 dagen 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))

7 dagen 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 ...

7 dagen 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...

8 dagen 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()

8 dagen 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) ...

9 dagen 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...

9 dagen 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 ....

9 dagen 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...

9 dagen ago | 0

Converting an animated time step 2D plot into 3D

You can employ meshgrid().

10 dagen 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...

10 dagen 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...

10 dagen ago | 0

Mortgage repayment option in matlab

... MP =(HP.*(MR/12).*(1+MR/12).^360)./(((1+MR/12).^360)-1)

10 dagen 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...

10 dagen 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...

10 dagen 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.

10 dagen 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...

10 dagen 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 ...

24 dagen 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...

26 dagen 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...

27 dagen ago | 1