Answered
Possibly spurious solutions - Matlab blocked with no answers
Turns out there are some solutions In the below, fullsubs is not actually valid for all entries -- only for entries [5 8 13 16...

2 years ago | 0

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How to find the best combination of angles for minimum turn radius
radius = 72; inner_angle = (0:68).'; outer_angle = (0:68); inner_angle_rad = inner_angle * pi /180; outer_angle_rad = outer_...

2 years ago | 1

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Answered
How is the work distributed in parfor loop?
You can control how parfor divides up the iterations by using parforOptions() RangePartitionMethod https://www.mathworks.com/hel...

2 years ago | 2

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Vpasolve can not find a solution that I know it exist
There is no solution in the reals. clear clc %% Parameters and Assumptions syms x11 x12 x21 x22 positive % Actions syms a11...

2 years ago | 0

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Attempt to execute SCRIPT ' ' as a function error
This problem is caused by a corruption of the MATLAB installation, one that causes it to lose track of the internal implementati...

2 years ago | 0

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"Busy" when running this code with ODE45
If you use ode15s and set the tspan to 15.01 or less than integration succeeds and shows most concentrations on the order of 10^...

2 years ago | 0

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How to get y value?
Xtarget = 900; H = findobj('type', 'line'); xvals = arrayfun(@(h) h.XData, H, 'uniform', 0); yvals = arrayfun(@(h) h.YData, H...

2 years ago | 0

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how would I randomly replace two elements in a row vector
y = char(randperm(27) - 1 + 'A'); for i = 1:iter idx = randperm(numel(y), 2); ynew = y; ynew(idx) = ynew([idx(2)...

2 years ago | 0

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why am i getting the error "Incorrect number or types of inputs or outputs for function step."
The most likely problem is if you do not have Control System Toolbox installed.

2 years ago | 1

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Need help for global fit
To confirm: you want to optimize so that C, D, E are the same for all datasets, but A and B vary according to the datasets? The...

2 years ago | 0

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Is reinstallation required if I already have ML installed from a previous license and just bought a home license?
I take it you transfered over the installed software using Time Machine or something similar. You do not need to reinstall. Re-...

2 years ago | 0

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Answered
How does the zoom out feature work?
As you zoom in, the tools internally keep a history of your positions. When you zoom out, the tool pops the previous position of...

2 years ago | 0

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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 ~=...

2 years ago | 0

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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...

2 years ago | 1

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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...

2 years ago | 0

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Answered
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...

2 years ago | 0

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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...

2 years ago | 0

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

2 years ago | 1

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Answered
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...

2 years ago | 0

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Answered
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('" + ...

2 years ago | 0

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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...

2 years ago | 0

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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-...

2 years ago | 1

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Answered
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...

2 years ago | 0

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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...

2 years ago | 1

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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.

2 years ago | 0

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Answered
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...

2 years ago | 0

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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...

2 years ago | 0

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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.

2 years ago | 0

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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(...

2 years ago | 0

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Answered
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...

2 years ago | 0

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