
Sulaymon Eshkabilov
research interests: vibrations, optimal control, system modeling and simulation, mechatronics... coding
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How to delete a Matrix in a 3D Matrix?
You are trying to change the size of the matrix that can't be achieved in this way. If you need to find and substitute NaNs with...
10 giorni ago | 0
How do I make a figure legend multiple lines?
This one is a better solution that is easier to implement: plot(sin(1:.1:10),'r', 'DisplayName', 'Cosine'), hold on plot(cos(1...
10 giorni ago | 0
finite element for 1d poisson equation
You can employ matlab's PDE toolbox fcn pdepe(). How to use it: doc pdepe Also, you can find some good help in this DOC.
27 giorni ago | 0
Image analysis for Signal processing help
Using the Discrete Cosine Transform is quite straightforward. You'd need to employ dctmtx() fcn. Help documentation: doc dct...
27 giorni ago | 0
Image analysis for Signal processing help
Use imcrop() How to use this function: >> doc imcrop
28 giorni ago | 0
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Perform fminsearch to find the best value for the variable in a model
One pranthesis was missing: ... for ii = 1:numel(Imeas) Itheory = @(Ro)(Imeas(ii)*exp(-Ro*-2*bet_a*k*2*Ro*(1-(y(ii)/Ro)^2))...
28 giorni ago | 0
How do you obtain the equation of the Adaptation mechanism adjusts in the MRAC PID block?
It is found here: Simscape / Electrical / Control / General Control If your MATLAB/Simulink package has Simscape toolbox. Yo...
28 giorni ago | 0
Perform fminsearch to find the best value for the variable in a model
Note the following two points in your code that must be identical and input variable names must match as defined above: Itheory...
28 giorni ago | 0
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Keyboard shortcuts are not mapped correctly to different language keyboard
Use preferences options to adjust your keyborad shortcuts, e.g.: >> preferences follow: Preferences -> keyboard -> Shortcuts ...
28 giorni ago | 0
How to detect rotation in a trajectory?
One way of detecting the region of values is using logical indexing, e.g.: t = ... x = ... y = ... % Way 1 Ind = t>=0 &...
28 giorni ago | 1
Perform fminsearch to find the best value for the variable in a model
There are a couple potential of errs in your code. (1) Ifunc fcn has to have two more input variables, viz. bet_a, k and thus, w...
28 giorni ago | 0
Laplace Transform of Given Differential Equation
Note that if your system has "zero" ICs and not excitation force; therefore, your system solution (response) will be zero. If yo...
circa un mese ago | 0
It is Simulink Related
See the attached screen shot how to perform a search.
circa un mese ago | 0
Import .csv files in my folder directory.
probably, you'd better use a loop, e.g.: for ii=1:Number_csv % Number of *.csv files D{ii}=readmatrix(strcat(num2str(i...
circa un mese ago | 0
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Laplace Transform of Given Differential Equation
Laplace transform does not work at t ~0 initial conditions and thus, here dsolve() might be a better option, e.g.: syms y(t) D...
circa un mese ago | 0
How to Identify Range of Frequency which is Noise from FFT Freq Domain graph
Your filtered signal is not quite noise free as it shows here from your script, and your obtained FFT is not quite correct. [x,...
circa un mese ago | 0
MATLAB gives the integer value of subtraction when the difference between numbers is large.
Specify flotaing point format accordingly, e.g.: a=[1;1;1;1]; b=[10^23;10^23;10^23;10^23]; c=a-b fprintf("%1999.0f \n",c) ...
circa un mese ago | 0
how to pull correct h into h(i)
Hi, You meant A(2,2) to have h=6.5929, A(3,3) to have h = 6.0625, correct? If so, you can adjust your loop by adjusting inde...
circa un mese ago | 0
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Integration containing multiple variable and plotting
Use integral3: https://www.mathworks.com/help/matlab/ref/integral3.html
circa un mese ago | 0
cannot add path on mac
Maybe in mac, this way works: addpath(genpath('/Users/maherheal/Applications/CPLEX_Studio128/cplex/matlab'))
circa un mese ago | 0
Protect Matlab/Simulink Files
One option is creating p-code of m-files, e.g.: >> pcode MYfile.m
circa un mese ago | 0
Projectile Motion With Air Resistance Vs. Free-Falling with Air Resistance
You can add the free fall plot using simply, e.g.: ... xfall=x(1)*ones(size(x)); yfall = linspace(0, h, numel(y)); plot(xfal...
circa un mese ago | 1
| accepted
why looping just save the last value of iteration
Because the indexes are missing, e.g.: data_diff(??) = out.Vo.signals.values-v_data; lse(??) = lse(??) + (data_diff'*data_diff...
circa un mese ago | 0
Startup view for a Simulink model.
Hi, Hit your highest level system model on the left top corner of the model browser and then save your model. That would give...
circa un mese ago | 0
| accepted
for loop forward modelling
You can start working somewhat in this way: ... rho = 2600; % Note density can't be negative. for ii = 1:2 f...
circa 2 mesi ago | 0
3D Plotting with symbolic variables
If it is a symbolic expression, use fmesh(). Here is a good doc how to employ it: https://www.mathworks.com/help/matlab/ref/fmes...
circa 2 mesi ago | 0
Script too Long to Run
Here is a little simplified version of your code: clc format long n=1e4; x1=zeros(n,1); x2=x1; x3=x1; x4=x1; error=x1; ...
2 mesi ago | 1
| accepted
How to fill the area between two curves?
Here are a couple of good examples how to achieve this task: https://www.mathworks.com/matlabcentral/answers/180829-shade-area-...
2 mesi ago | 0
Rearrange a given array
A = [1 2 3 4 5 6 7 8 9 10 11 12]; B = sort(A(:), 'descend'); C= reshape(B, 3,4)...
2 mesi ago | 1