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Switch and Case using radio buttons
The tag is a string (technically a char vector). Include the quotes. case 'b1' and case 'b2'

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how to Expand the plot line in a function
The default x interval for fplot is [-5 5]. You can change it with the xinterval argument: fplot(y,[0,130]) You don't need an ...

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renaming a variable, or creating a dynamic variable name
If the cells are really holding Matlab tables, you could assign the sampleNames as table Descriptions: for idx = 1:n data{...

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Cannot install matlab on ubuntu 18.04
Try: xhost +SI:localuser:root sudo ./install https://www.mathworks.com/matlabcentral/answers/518584-how-do-i-install-on-ubunt...

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Extraction of non zero rows from a matrix
A = [magic(3);zeros(1,3)] svp = A~=0 extracted = reshape(A(svp),[],3) If there is a possibiity of finding zeros in a nonzerow...

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Replace negative values with zero and values above 1 with 1, using loop in a 8760 x 1000 matrix
Is there a reason you want to do it in a loop? Matlab excels at vectorized operations. The following is simpler and faster than...

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Formatting the fit function
epsilon = (0:0.2:5)'; load = 2*exp(-0.2*epsilon) + 0.5*randn(size(epsilon)); fitting = fit(epsilon, load, 'poly2'); plots = p...

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Plotting a contour of a function with one input variable
exes = linspace(-2*pi,2*pi); whys = exes; theta = [exes',whys']; takeOneInput(theta) You can pack as much as you want into a...

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How exactly does the gradient function work when applying it to an image?
If you type open gradient, in the Command window, the relevant code is: % Take forward differences on left and right edges if ...

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Merging row elements into single numbers
Edit: Use Star Strider's answer. It's faster. C = [3 4 5 6 7 9 1 5 8] C = double(string(C).join(''))

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How to get cell string array data and combine it as a 1 column only?
I'm going to guess you want a 1440x61 string array. stringArray = [replika_fix_menitan{:}] would give you the array. The {:} r...

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Why do writematrix et. al. have unexpected behavoir, e.g. they alter Excel formatting?
Please see this related link: https://www.mathworks.com/matlabcentral/answers/676588-writematrix-resizing-column-widths#answer_...

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Mathlab Instalattion problem error
You will probably get better help creating a service request directly with MathWorks. https://www.mathworks.com/support/contact...

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How to make a code more interactive (command window)?
disp("1 - spin") disp("2 - tumbling") disp("3 - three axis stab") ftype = input("Select function type by number: "); switch ...

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range isn't working
Yep, I don't think it's part of base Matlab. It works as you would expect if you install the Statistics and Machine Learning Too...

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Need to make surf plot in ode45
options = odeset('RelTol',1e-6,'Stats','on'); %initial conditions Xo = [0.5;0.7;2]; % Choose parameters t and a? t...

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Contour Graph/Plot displays edgy function
phi goes to +/- infinity near the origin. x = -10:1:10; y = -10:1:10; [X,Y] = meshgrid(x,y); mu = 0.001; phi = mu*(X./(X.^2...

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How to convert number to text in thousand format?
See: https://www.mathworks.com/matlabcentral/answers/96131-is-there-a-format-in-matlab-to-display-numbers-such-that-commas-are...

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Find index for a coordinate pair in cell array
detectedAsTrack = 0; detectedTracksList = []; idxs = xStates{curScan,1}(1,:)==xloc > 0 & xStates{curScan,1}(2,:)==yloc; if ...

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Finding the first instance of a value in an array
A = magic(5) for idx = 1:size(A,1) test = find(A(idx,:)>22,1); if isempty(test) test = 0; end coli...

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what is the equivalent script to TWISTER('state')
Yes, s.State for the default rng should be equivalent to S. The values in the state are used in the Twister algorithm to genera...

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How can I plot multiple matlab saved figures into one
I would recommend saving the data and then producing the images on the tiledlayout, but... % Open the figures open('short1.fig...

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How do I get the plot in my for loop to retain previous plots?
You are regenerating the figure and axes every time the if condition triggers. About the only thing you need inside the if is th...

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MATLAB computations on variables?
The symbolic toolbox is great for stuff like this. https://www.mathworks.com/help/symbolic/symbolic-computations-in-matlab.html...

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How to restart my program from a try/catch statment
With recursion, you could do something like this: val = 1; startThisAgain(val) function startThisAgain(val) disp('Be...

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I am getting error
In addition to dots in front of carets ( .^ ) and slashes ( ./ ), you need dots in front of the asterisks ( .* ) for elementwise...

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How to prevent axis off from removing the subtitle?
img = imread('cameraman.tif'); figure; tiledlayout(1,1) imagesc(img); title('A'); subtitle('B'); axis off tiledlayout req...

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13x8 Matrix Cubic Interpolation
Like this? V = [0.0000 0.0000 0.0000 0.0000 0.0000 0.0890 0.2860 0.4380; 0.0177 0.0648 0.0888 0.1070 0.1640 0.3680 0.5720 0.70...

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does not plot the normal distribution. Writes Unrecognized function or variable 'O'. What is the reason?
app.O is a property that needs to be declared in a properties block before it can be used. Since it's not declared, an error is...

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how to search specific data from matlab in excel
The last line is looking for a string 'T' in the first column of the table. You want to search for the variable T (no quotes). T...

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