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Matlabd variable is not chaning in workspace
Start your code with: clearvars

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How to create a hysteresis loop
clearvars Old = readtable('Old.xlsx'); lumenWT = (Old.WT_2283) ; pressureWT = (Old.Pressure); x = floor(length(lumenWT)/2);...

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Updating value with conditional for loop
There are a couple of errs in your code. Here is the corrected part of it. Balance=0; for k=1:length(ntrials) if pchoice ...

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plotting in 3 for loop's
Two errors in spelling the data file names. And it is advised to use readmatrix() that is more efficient than csvread(). clc; c...

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Using unbalanced data with fitlme
Suggestion. If you are not using all columns of your data then it is reaonable, you had better clean up your data (only the colu...

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loop index 'i' is changed inside of a FOR loop
% See the below given answer: Or you had better combine two loops to make your simulation more efficient, e.g.: ... ...

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how to solv this issue?
Here is the corrected code: savefunc('Test', 'x.*sin(x)', 'off') function savefunc(file,fx, grd) fileNAME=file; f ...

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How to plot different graph in one figure?
You can try to use polar plot with polar(), e.g.: ... figure(1) polar(X,Y) xlabel('2Ex'),ylabel('2Ey'),t...

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may i get command
(1) k1 vs. K1 are two different variables. (2) ERRORs: * missing, x, y are not correct variable names, indices () of xy are m...

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How to save data in cells to csv in loop
Why to use writetable()

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MATLAB crashes after loading 4000x4000x4000 matrix
Maybe take ONE channel at a time. Then combine them and process.

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Problems with my 2D graph
Here is the corrected code: e_inf = 11.7 ; Wp1 = 1.0856e11; gamma1 = 2.3518e9 ; Wp2 = 3.4330...

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Not enough input arguments.
Here is the corrected code ('end' was missing and it looks like that it was not executed correctly with a necessary input data):...

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How to find the corresponding variable equations of parameters for a system which has equations of parameters and variables? (looking for non-numeric outcome)
If I have understood your question correctly, you are trying to save the equations. If this is the case, then you should amend y...

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How to find the corresponding variable equations of parameters for a system which has equations of parameters and variables? (looking for non-numeric outcome)
There are several variables are not defined at all and thus, your set equations are not solviable as defined in your code, e.g.:...

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Modeling of the influence of electric vehicles on standard load profiles of Households
By assuming that you have the power consumption data of households and electric vehicles with some timestams and trying to prep...

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Graph two curves in the same plane
To plot two curves are simple as follows: e_inf = 11.7 ; Wp1 = 1.0856e11; gamma1 = 2.3518e9 ; W...

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fixed-bed adsorption column-modeling solving PDE
Here is an edited and corrected version of your code (smaller time step 'cause it is a stiff DE) that shows that the concentrati...

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how to identify grayscale image as an RGB image
You can convert a grayscale image into RGB but it wont have a color anyhow, eg: RGB = cat(3, gray_IMAGE, gray_IMAGE, gray_IMAGE...

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Problems with the Y axis of my 2D graph
Take smaller step size for w, eg.: e_inf = 11.7 ; Wp = 1.0856e11; gamma = 2.3518e9 ; w1 = 1e11; ...

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how to identify grayscale image as an RGB image
Grayscale image has one channel and RGB has three channels. How to distinguish them is to use size() fcn. D = imread(ImageFi...

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I get the error of "Array indices must be positive integers or logical values"
Make these corrections in your code's loop iteration: ... for i = 2:nx % Compute the x-component of the characteristi...

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semilogx error, vectors must be same length
Plot them like this way then by removing the transpose operation: plot(freq, abs(Zexp01), '.')

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hi i am trying to solve this two equations (p,Q) TO GET THE VOLTAGE AND ANGLE (V,THETA)
Here is the corrected code: syms v2 theta y=[2.142-22.897i -2.142+24.973i -2.142+24.973i 2.142-22.897i]; p2=-2.142*v2*co...

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I couldn't understand the problem in this code.
Here is the corrected code. There were a number of unreadable white spaces (due to incorrect copy and paste), i (mean to be imag...

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error in import data
(1) Copy the files and paste them into your matlab directory Or (2) Use fullfile() fcn, e.g.: FILE = fullfile('C:\Users\', '*...

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Simulink - Tempreture,Humidity and wind speed sensor
There are a few data export options from DHT22. (1) Using arduino serial port reader window and copy & paste (quick & dirty wa...

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How will use return conditions in solve function
(1) You have employed the solve() fcn for a few times and no output variable was assigned. It is better to use this syntax: [SO...

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error in import data
Here is the corrected part of your code (supposedly all of your tif images are in your current directory of matlab): ... for k...

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second analytical solution of implicit equation
This is the same as the solution proposed by Star Strider: syms M r EQN = M*exp(-M^2/2)==(2.72498/r)^2*exp(1.5-2*(2.72498/r))...

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