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Sulaymon Eshkabilov


Last seen: Today
465 total contributions since 2019

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

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Answered
ASSISTANCE ON RUNNING RANDOM VARIABLES IN A FUNCTION
Hi, Here is a nice tutorial that explains everything what you need for your exercise. https://www.mathworks.com/help/matlab/...

7 hours ago | 0

Answered
How do I hanning window a signal before FFT, inside of for loop?
Hi, You can insert your anticipated hanning window command on line 81 of your script, i.e., hold on; WIN_Hann=hann(length(Di...

7 hours ago | 0

Answered
how to compute the complex Fourier series expansion of half-wave rectified signal. and plot its phase and amplitude spectrum?
Hi, Here are several nice tutorial examples of matlab on Fourier Transform. https://www.mathworks.com/help/matlab/math/fouri...

8 hours ago | 1

Answered
Gerchberg–Saxton algorithm/ Phase Retreiveal algorithm
Here is one of the nice scripts posted on the MathWorks website: https://www.mathworks.com/matlabcentral/fileexchange/65979-gerc...

2 days ago | 0

Answered
How to apply a random Crossover (Arithmetic/Scattered/Two-point) in Genetic Algorithm using auto-generated file from Optimization Toolbox ?
See the screen shot given in the attachement. You should select from the drop-down options whichever crossover function suits fo...

2 days ago | 0

Answered
Improving fit of custom function
Hi, Why not to use cftool (Curve Fitting Toolbox). Launch it with: >> cftool Indicate your x data and y data variable na...

3 days ago | 0

Answered
C = union( A,B ) is too slow. Is there any faster way given that A and B are ordered.
Hi, This one could be faster: ismember(A, B)

3 days ago | 0

Answered
how to transfer a 3D variable into a row in an excel file?
Hi, a simple solution might be this one: for ii=1:14 % EEGData has 14 layers SH=strcat('Sheet', num2str(ii)); xls...

3 days ago | 0

Answered
what is wrong here? ??? Error using ==> times Matrix dimensions must agree.
Hi, There is two small but crucial errs - see the command below: %... Fi=fftshift(double(A)); % NOTE your assigned var...

3 days ago | 0

Answered
How can I index one array using element values from another array
Hi, Again using logical indexing might be one of the easy ways of doing it: Y_sub30 = y(z < 30); Total_sub30=sum(Y_sub30); ...

3 days ago | 1

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Answered
phase plot fft (strange)values
Hi, There was a small but crucial mistake while defining 's' signal. Here is the corrected one: s = cos(2*pi*15*t -30*pi/180...

3 days ago | 0

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Answered
Convert .mat file into .csv file
Hi, For your data, converting into xls or xlsx would be easier. If you'd need only csv, then you'd need to use the syntax as th...

4 days ago | 1

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Answered
Kindly help me to obtain the first four numerical solution of given trancedental equation "luck 1"
Use the commands: EQN = luck1==0 SOL = solve(EQN, x); SOL = double(SOL);

4 days ago | 0

Answered
How to use linear regression modeling for x-vector of dimension m and y-vector of dimension m
Hi, If your given data for x and y are 1-by-1000 or 1-by-10000000 ... . Briefly speaking your data is 1D. Then you'd need to us...

4 days ago | 0

Answered
Can display block show more than a 10x20 matrix?
Hi, There is an easy solution for your exercise that is to use "To Workspace" block instead of "Display" block. Then you will...

4 days ago | 0

Answered
how to zoom-out on a figure window in a script
Hi, Here are two simple ways of solving your task: 1) using zoom() function, e.g.: figure, plot(rand(10,1),'bo-') zoom(0.75)...

4 days ago | 0

Answered
Replace values in grid data (3D) to NaN, like another (3D) have NaN
It can be done very easily with a logical indexing opt: e.g.: Index = isnan(SST); VWind(Index)=NaN; Now you can compare and...

7 days ago | 0

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Answered
Transfer Function with one 1/s term
Hi, It is straightforward: T = tf([1 0 1], [1 1 1 0]); nyquist(T)

7 days ago | 0

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Answered
Tensor Product According to Input (Dynamically)
If your variable sigma_x is 90 rotated eye matrix, then you can use A = rot90(eye(d)); Good luck

1 month ago | 0

Answered
How to rename a bunch of files in a folder
Here is the answer that changes the file names to: 1a.tif, 2a.tif, 3a.tif, ..., etc. files = dir('*.tif'); for ii = 1:length(f...

2 months ago | 0

Answered
How to generate a real time signal?
If what you need is a sort of white noise, then you can use random number generators, e.g.: rand() - uniform distributed, ran...

2 months ago | 0

Answered
" Array dimensions must match for binary array op."
Here is one of the easy solutions: for jj=1:numel(ThAll) TH_all=ThAll{jj}; for kk=1:4 TH_ALL(jj, k...

2 months ago | 0

Answered
Can someone advise how I fix this loop?
Hi, That would be somewhat in this way: for ii = 1:59 sFiles(ii).iStudy = bst_process('CallProcess', 'process_select_search...

2 months ago | 0

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Answered
Create plot handle without rendering it.
H = figure("Visible",false); HH = plot(1:5);

2 months ago | 0

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Answered
saving variables programmatically using list of variable names
Here is an easy solution: a=1;b=2;c=3; save('myMatFile.mat','a','b','c') % Or a=1;b=2;c=3; MY_var = {'a','b','c'}; save(...

2 months ago | 0

Answered
How to fix: Index Exceeds Matrix Dimensions
Put your file to be read in your current directory.

2 months ago | 0

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Answered
Return Indices for x Smallest/Largest Values in Array
here is one of the possible ways: A = [...; ...; ...]; [Row1,Col1]=find(max(A(:))==A) % Shows row# and col# of largest element...

2 months ago | 1

Answered
How to fix: Index Exceeds Matrix Dimensions
Remove: (1) in filenames(1).name on line on line 88

2 months ago | 0

Answered
Why White Noise is not adding Uniformly to Signal?
In your plot section, you are plotting three sets instead of four and thus, the noise added signal is not showing up. See: ...

2 months ago | 0

Answered
How ı can write this function on Matlab
Hi, Here is one of the possible solutions for x having a single value: function Y = MY_fun(x) if x>=1 && x<10 Y = ex...

2 months ago | 0

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