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How to return corresponding entries of an array using if statement
mask = intabsul == absintul & intabsur==absintur; subset_xi_1 = xivals(mask); subset_Lv_1 = Lvals(mask); mask = intabsul ~=...

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How to test whether a function has roots within a given range?
has_root = SignF_X(1:end) ~= SignF_X(2:end); However, your approach is flawed. Suppose the input function is a sufficiently h...

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How can I make my model run in real time on a MacBook CPU?
https://www.mathworks.com/support/requirements/simulink-desktop-real-time.html Other Requirements Simulink Desktop Real...

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Problem using start and getsnapshot
You have an existing videoinput active. For example you might have used control-C to stop acquisition, and so missed out on dele...

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MATLAB doesn't give an answer for this Waterfall graph and runs this continuously, what's wrong with this?
You need to vectorize Reduced size here to fit within the time limits. a = linspace(0.01, 10, 401); r = linspace(0.1, 10, 401...

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Symbolic expressions with pi are displaying as decimals
sympref('FloatingPointOutput', 0)

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How to resolve"Unable to perform assignment because the left and right sides have a different number of elements."?
My guess at the moment is that you are operating on a combination of row vector and column vector, which would give you a full 2...

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Not able to save a ".mat" file when the excel workbook is fetched within a function
You are saving the contents into the base workspace, but you are trying to save it in the function workspace. cmd = "save('" + ...

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Accuracy of Integral and Integral2 functions
Given that code, the eigenvalues come out the 3.516 and so on. It isn't a matter of low accuracy: I switched to high accuracy h...

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The MATLAB Live editor provides bad user experience? How do I fix them?
To increase the contrast, install the desktop beta; https://www.mathworks.com/matlabcentral/fileexchange/119593-new-desktop-for-...

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Please help me correct this error: Error in P_function>P_panelpower (line 26) elseif t>=6 && t<11 Error in P_function (line 10) P = P_panelpower(t);
You are passing a vector to your function. Inside your function you are testing the entire vector at the same time. If the enti...

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Access to non-public class members
In my oppinion, access modifiers are supposed to prevent a wrong usage of an interface, but it should not prevent you from invok...

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Access Excel-File stored in Microsoft OneDrive
You need to first use websave() or urlread() to read the contents of the file into local memory.

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How to make latch switch
You have the difficulty that the event field is not going to update as long as you are inside the KeyPressFcn handler. You wil...

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Epanet 2.2 toolkit for matlab
It is not possible to create a numeric vector that has 1 column in place but 2 columns when needed. You can do things like hor...

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I have changed to a newer mac and can't get matlab opened. see belos
You need to deactivate MATLAB on the old computer, and activate it on the new computer.

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How do I index an array with varying dimension?
If you use a trailing dimension of : to index, then the result has the proper size but with the dimension "unwrapped" A = ones(...

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How do I call a function from the command window
xval = input('enter x: '); myEquation(xval) function myEquation (x) a = 0.4361836; b = 0.1201676; c = 0.93729...

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How to use inputs within a function?
a = input('Enter the value of a: '); Discriminant(a); function Discriminant (a) b = a*2 fprintf('The value of b is: %i', b...

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Imagesc plot along x-z axis instead of x-y
It is possible to imagesc() in the x-z axis. What you need to do is create an hgtransform object that is parented to the axis, ...

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cell2mat not working
If the cell contents are not numeric, then cell2mat() might refuse. In such a case, you can try As_Matrix = cat(1, TheCell{:});...

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explicit vs numerical solution for system of equations
syms r1 r2 theta h %% Define Constraining Values a = 2; b = 5; c = 4; h_c = 5; w_rectangle = h_c + ((b*c)/(a+b)); h_bar_r...

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How to ignore special characters and retrieve the data prior to the character
To answer the original question: An alternative way to read the files is to use FixedWidthImportOptions together with readtable...

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writting down the code for the function
y = 4 * sin(x) / (25*x + sin(25)); That is not vectorized. It needs to be y = 4 * sin(x) ./ (25*x + sin(25)); Also remember t...

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Jumps in roots finding solutions
The order of solutions produced by roots() is not documented. If you need a consistent order then use the Symbolic Toolbox, sol...

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Function Call without parentheses
In MATLAB, naming a function with no parameters is equivalent to calling the function with no parameters. This is not the case ...

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Group a function's input arguments into a matrix input argument
matlabFunction(EXPRESSION, 'vars', {[A0,k1,k2,k3,k4,k5], tau})

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imshow displays black instead of transparent background of png image
figure hold on plot([1 2], [1 2]) axes("pos",[.1 .1 .1 .1]) [myimage, cmap, alpha] = imread("some_image.png"); foo = imshow...

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Unable to use REFPROP material library
That version of refprop is no longer supported https://www.mathworks.com/matlabcentral/answers/1711870-i-am-trying-to-use-matla...

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stop animations with pause()
Create a uicontrol radio button to act as a stop button. TheUIControl.Value = 0; for i=1:10 if TheUIControl.Value == 1 ...

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