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Error converting from Simulink.SimulationInput to double
Before for t = 1:(len_trq) insert clear simIn You have an existing simIn that is double precision.

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how to plot contour of 3D variable
In order to do 3D contours, you need to call isosurface . You would call it several times, once for each contour level. However...

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I can't find helper function: transientBCHeatedBlock which is supposed to be in: matlab/R20XXx/examples/pde/main
The first thing you need to do is go through Preferences -> Help and install help locally. Once that is done, look for try ls...

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How to exclude a certain value from a range?
standardizeMissing e = 1:9 e = standardizeMissing(e, 6)

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getting statistics from within a mask within an image
To find out where the maximum of the masked image is: IdxImg = reshape(1:numel(img), size(img)); masked_image_idx = IdxImg(mas...

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how to plot from .csv file?
csvread() requires that all of the fields are numeric, with the possible exception of leading rows or leading columns (provided ...

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Can I turn on the plot browser in a Matlab app?
If you are referring to https://www.mathworks.com/help/matlab/ref/plotbrowser.html then: https://www.mathworks.com/help/compile...

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save animation in subplot
ax6 = subplot(2,3,6); count = 0; while true %draw something count = count + 1; filename = fullfile(SAVEDIRECT...

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Image Processing Toolbox activated?
You have the Image Processing Toolbox licensed but you do not have it installed

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is it possible to see what variables and functions affecting a certain variable ?
Consider: function a = moo(b,c) a = 0*b + c; end Is a "affected" by b? Under the normal course of events, one would say ...

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How to implement custom function in Flight Log Analyzer
Assuming that the plotting is to be directed to UIAxes3 function afft = ArdupilotFFT(app, singalData) Fs = 2000; L = ...

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sym to double data type:
Your coeffiecients are symbolic. You should use syms x Y_poly = matlabFunction(a4*x.^4 + a3*x.^3 + a2*x.^2 + a1*x + a0);

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Cannot compile app with Segment Anything Model SAM due to license?
Limitations This function does not support parfor loops, as its performance is already optimized. (since R2023a) Thus, it ha...

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using command readcell to read specific structure
A = readcell('https://www.mathworks.com/matlabcentral/answers/uploaded_files/1752014/19510131163900.txt') B = readcell('https:/...

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Vertcat tables with structure variables with different fieldnames
Use Var{1,3} = item(j,3); so that the third variable is a cell containing structures, instead of trying to concatenate str...

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trying to follow the convert-to-spiking example. load("DigitsDataTrain") does not work. I can't find a DOWNLOAD for this .mat file either. John
That example needs R2023b or later.

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Obtain information after text pattern
S = fileread('CrPS4.mat'); parts = regexp(S, '(?<=damping-constant\s+=\s+)\S+', 'match'); parts_numeric = str2double(parts) ...

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Writing data Dynamically in to .mat file using c++ - Append data to existing mat file
Your only hope is if MATLAB happens to export the matfile API as a library. In that case, provided you are using a -v7.3 .mat fi...

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How to use a 4d variable achieved from a function as a property in matlab app designer?
slice() is not able to slice 4D data. You are taking sum(app.N1,4) to reduce the data to 3D, but you are still attempting to li...

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Error : Failure in initial user-supplied nonlinear constraint function evaluation.
assigned_node = find(A(sb, :, v), 1); covering_uav = find(zeta_m_n(v, :), 1); ...

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Can't connect branch with block in simulink
The Current Measurement block https://www.mathworks.com/help/sps/powersys/ref/currentmeasurement.html is from Simulink Electrica...

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Matlab Runtime (mcr) new features
Each version of MATLAB Runtime adjusts to match the changes in MATLAB itself. So the list of changes in MATLAB Runtime is nearly...

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Facing license Issues while running a function from Communication Toolbox.
Signal_Blocks is the DSP System Toolbox You can use the command ver to find out which toolboxes you have installed. Finding ou...

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Error in boxchart (invalid parameter/value pair arguments)
anovan returns a vector of p values, not an anova object. Your syntax would have been okay if you had called anova

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Is it possible to have a string constant (output datatype: string) generated in UTF-8?
No, you cannot do this. Strings are exported as plain C / C++ character vectors, and plain C / C++ character vectors are 8 bit c...

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genetic algorithm code for solving traveling salesman problem
Several people have posted the code in MATLAB Answers in the past. Search for it.

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variables not being saved?
lumine(q) That call executes lumine with parameter q. Then it assigns the first output to a variable named ans and displays the...

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Error with find Function in MATLAB: "Incorrect number or types of inputs or outputs"
find() is not a supported operation on optimization variables. https://www.mathworks.com/help/optim/ug/supported-operations-on-...

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convert mat file to excel
You cannot generally convert .mat file to excel. You can potentially convert to excel under the special case that the .mat file...

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Lorenz Attractor Animation with Frame-by-Frame Plotting
% Parameters sigma = 10; rho = 28; beta = 8/3; % Time span tspan = [0 50]; % Adjusted for smooth animation % Initial ...

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