Sulaymon Eshkabilov
research interests: vibrations, optimal control, system modeling and simulation, mechatronics... coding
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Content Feed
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 ....
alrededor de 6 horas 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...
alrededor de 6 horas ago | 0
Converting an animated time step 2D plot into 3D
You can employ meshgrid().
alrededor de 19 horas 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...
alrededor de 19 horas 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...
alrededor de 19 horas ago | 0
Mortgage repayment option in matlab
... MP =(HP.*(MR/12).*(1+MR/12).^360)./(((1+MR/12).^360)-1)
1 día 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...
1 día 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...
1 día 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.
1 día 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...
1 día 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 ...
15 días 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...
17 días 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...
18 días ago | 1
How to subtract background from a leaf image .
You shall use ROI mask: https://www.mathworks.com/help/images/specify-roi-as-binary-mask.html Here are a couple of threads on ...
18 días ago | 0
Array of Structures to Structure of arrays
Jan is right that your questions are not quite clear for the reader as described here. But what I've understood is the followin...
19 días ago | 0
Trying to plot multiple Euler curves with 3 different step values.
Here is the corrected complete code that computes x1, x2, x3 along with t1, t2, t3 and plots their values accordingly: a = 0; ...
19 días ago | 0
Trying to plot multiple Euler curves with 3 different step values.
There are a few unknowns and flaws in your code, e.g.: N, x1, x2, x3 are not known Within loops: N=60, N = 300, N = 3000 are n...
19 días ago | 0
Do a plot of the messages from 24 hours. Hour by Hour
Easy solution might be this, e.g.: N = numel(Time_AIS1); figure(1) stem(1:N, Time_AIS1), xlabel('Hour'), ylabel('# of message...
19 días ago | 0
how to create on an efficient way zeros in a symbolic matrix?
syms x n=4; A=sym(zeros(n,2)); % A(:,1) = zeros(n,1); % NOT Necessary % A([1:n-1],2) = 0; % NOT Necessary A(n,[...
19 días ago | 0
Undesired Graph for Transmissibility vs Frequency.
This is how you should plot it in this way: ... T4=sqrt((1+(2.*fr4.*z).^2)./((1-fr4.^2).^2+(2.*fr4.*z).^2)); loglog(om, T1+...
19 días ago | 0
| accepted
Issues plotting ode in a for loop
There are a couple of "hold on" s are missing and thus, not all simulated data get plotted. Here is the corrected part of the co...
20 días ago | 0
Would somebody please tell me whether the values are the same or not?Transition code from Session to DataAcquisition Interface
The vals should be the same.
20 días ago | 0
define parameter values for simscape model
Note that all parameters of the examples are predefined (e.g. modelling - > model properties as callbacks) and initiated automat...
20 días ago | 0
| accepted
Filtering for the selected data on table
It can be done in a few different ways. One of them is, e.g.: A = randi([10, 90],5, 3) T = array2table(A, 'variablenames', {'V...
20 días ago | 0
| accepted
Figure with 17x17 subplot
Here are a couple of 3rd party codes posted in MATHWORKS that can be used to get a better view of subplot figures by tightening ...
20 días ago | 0
Modeling concentration using ODE
You had better use this data importing fcn: data = readmatrix('test_data.dat'); Make sure that the data file (test_data.dat) ...
21 días ago | 0
Undesired Graph for Transmissibility vs Frequency.
You'd need to plot in this way: plot(om,T1); hold on plot(om,T2); plot(om,T3); plot(om,T4); grid on; hold off OR plot(om...
21 días ago | 0
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 ...
23 días 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 ...
23 días 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...
23 días ago | 0
