Community Profile # Sulaymon Eshkabilov

Last seen: Today Attivo dal 2019

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

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How to align multiple signals?
Here is one of the viable solutions to compute resonant frequencies of each signal and find out if their are coherent: S1 = loa...

circa 18 ore fa | 0

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Index in position 1 is invalid. Array indices must be positive integers or logical values
There are a couple of inconsistencies that cause this problem in the code: % currentColumn = currentColumn - 1; % Return to b...

circa 19 ore fa | 0

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How to replace two symbolic variables with two (1x3) arrays and result in a (1x3) array?
There are a few different ways to get it done. One of the possible ways is the next one: % r and s arrays that will replace x a...

circa 19 ore fa | 0

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How to align multiple signals?
One fundamental question for signal processing is a "must", that is "what is the data sampling time or sampling frequency?" Pl....

circa 19 ore fa | 0

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How can I increase the size of matrices in cell arrays with each iteration of a loop?
There are a few different ways to create such as cell array. If to get it done in a loop: rng(1) % To replicate at any time an...

circa 23 ore fa | 0

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How do I create a transfer function of a high order
It can be done this way: s = tf('s'); G = (14.14*s^2 + 318.2*s + 707) / ((s^2 +20*s+101)*(100*s+1)*(0.2*s^2 + 1.2*s+1)) % Sim...

circa 23 ore fa | 0

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invalid use of operator
The corrected syntax of this is: function out = modfunc(x,a); out = a(1)*exp(a(2)*x);

2 giorni fa | 0

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How can I set the AWGN simulink block to get like this m-file setting >>> awgn(x,SNR,'measured');
One of the possible ways of attaining this is to use MATLAB Fcn block and edit the MATLABV fcn. See the attached simple Simulink...

2 giorni fa | 0

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How can I plot this date time graph?
Here is how you can get the plot: load('Years.mat') N = numel(Climatology.HeightSeries); plot(1:N,Climatology.HeightSeries), ...

2 giorni fa | 1

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phase portrait error when run
Here is the corrected code: clc; clear figure1=figure; axes1=axes('Parent',figure1,'FontSize',13); grid on; box(axes1,'on')...

2 giorni fa | 0

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x values when taking a numerical derivative
There will be some significantly different results from diff() and gradient() if the increment of x varies. See this simulation:...

2 giorni fa | 0

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There are a few different ways to get this task done. One of them is this one if your data files have the same number of numeric...

3 giorni fa | 0

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Convert Mat files to csv files
It can be done in three major steps: Step 1. Load data from *.mat file FN = input('Enter *.mat file name: ', 's'); D = load(...

3 giorni fa | 0

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x values when taking a numerical derivative
Yes, you are right, e.g.: x = [0 .2 .3 .45 .65 .75 .96] y = [-3 10 11 12 13 12 9] dydx = diff(y)./diff(x) yyaxis left ...

3 giorni fa | 0

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Error when importing data
Use one of these functions - readmatrix(), readtable(), readcell(), which are recommended. They are efficient and easy to handle...

3 giorni fa | 0

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Code for frequency of a number of bins
This is how you can plot hist() or histogram(), e.g.: D = round(100*(randn(1000, 1)),0)+375; figure hist(D, max(D)) figur...

3 giorni fa | 0

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How to find a gap in a table
If understood your qyestion correctly, you are trying to remove the rows of data in any row there is a missing data. If so, use:...

3 giorni fa | 0

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can anyone please tell me what is this block
From you provided image, it looks a subsystem. The subsystem components can be adjusted using parameter values. Building a subsy...

3 giorni fa | 0

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Count number of sheets in excel file
It is recommended to use: sheetnames() instead of xlsfinfo(), e.g.: clearvars D = uigetdir(pwd, 'Choose a folder to import XLS...

3 giorni fa | 0

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what is the most efficient way to write multiple plots to the local drive?
In terms of time efficiency, exportgraphics() is faster than saveas().

3 giorni fa | 0

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Area under the Peak
Here is the corrected code; clearvars; clc load('data.csv') X = data(:,1); Y = data(:,2); plot(X,Y) findpeaks(Y,X,'MinPe...

3 giorni fa | 0

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How do I convert ERA Interim precipitation to get total precipitation in area?
Here is how to compute annual and weekly averages of the data given in nc file. unzip('ep1.zip') vardata=ncread('ep1.nc', 'tp'...

3 giorni fa | 0

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How to display specific values in xticks?
Here is the corrected code: clearvars; clc;close all; figure; clf('reset'); %data1=[0.0982000000000000 0.10000000000000...

3 giorni fa | 0

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Remove page numbers from extractFileText
If the file to be imported is uniformly page numbered, then its page numbers can be detected and removed using the fcn - detecti...

3 giorni fa | 0

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How to load multiple input txt file in matlab?
For your exercise, if your data files contain the same data type in terms of columns, then you can use this code to collect all ...

3 giorni fa | 0

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3D Image Rotation Problem
You can try pagetranspose() function: HH = membrane; tiledlayout(2,1) nexttile surfc(HH) HR = pagetranspose(HH); nexttile ...

3 giorni fa | 0

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How to save a Figure to a PNG File
Here are two different ways how you can save the plot figure output in .png: F = @(t)exp(sin(2*t)); fplot(F, [-pi, pi]) grid ...

3 giorni fa | 0

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Unable to plot a graph
Here is the corrected complete code: clearvars syms lambda Z_L = 25; Z_C = 50; z_L = Z_L/Z_C; y=@(lambda)(Z_C*((z_L+1i*t...

3 giorni fa | 0

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I would like to add different colors in an interactive geobubble graph
Here is the code that shall give different colors: % Read data from Excel file and create Table in matlab t = readtable("fil...

4 giorni fa | 0

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cannot exporting high resolution video?
Try this function: exportgraphics() See DOC

4 giorni fa | 0