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im constantly getting this error in my matlab code can someone expalin what i should do or how it should be
q4 = subs(fyxx(x, y), [x,y], point);

1 month ago | 0

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MATLAB does not run on new iMAC
You need to deactivate on your old Mac and reactivate on your new Mac.

1 month ago | 0

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I did make an code of fast fourier transform. But there's an error on the code when I run it. There's anyone who more about and can assist or guide me to make the code running
You define a variable Window_Nhr but then you try to repmat Window_Nh

1 month ago | 0

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Which function used to use in M-Script to remove the variables
It is not possible to create a variable with a name similar to 1Tn007 What can happen is that if you load() a .mat that was ge...

1 month ago | 0

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Need Help Simplifying code
Replace pick=find(max(playerInfo(2,:))==playerInfo(2,:)); pick=pick(1); with [~, pick] =...

1 month ago | 0

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Legend according to colours of the bars
questionnaire = {'A', 'B', 'C', 'D', 'E', 'F'}; for i = 1:numel(arrays) subplot(4, 1, i); values = arrays{i}(:, 2);...

1 month ago | 1

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Answered
why i got this error when i want to use GPU to accelerate the simulation?
In MATLAB R2021b, only the following are supported for GPU Coder work: Microsoft Visual C++ 2019 product family Microsoft Vis...

1 month ago | 0

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Can I create a stand-alone Windows application from my Mac that permits parallel processing?
There is no support for building for a Windows target on a Mac or Linux. ... You could potentially use Parallels.

1 month ago | 0

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Will Quality of Documentation be better in 2024 Products?
No, it will not improve in R2024a.

1 month ago | 2

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I am supposed to assign a license to a colleague but I cannot find the license center.
https://www.mathworks.com/mwaccount/ is the license centre.

1 month ago | 0

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Shift in lines when creating videos using VideoWriter
This is a known problem in R2023b for the Apple Silicon Possibly it only happens when you only write a single frame to the movi...

1 month ago | 0

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"Could not find version 7.17 of the MCR" error while running Matlab2013b with DKE, even after downloading Compiler 7.17 and 8.2
mcr 7.17 corresponds to r2012a https://www.mathworks.com/products/compiler/matlab-runtime.html

1 month ago | 0

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Creating a loop to assign 20 players to two teams and deleting columns
numPlayers = 20; ftPercent = randi([50,90],1,numPlayers); avgNumTurnover = randi([0,8],1,numPlayers); playerInfo = [1:1:numPl...

1 month ago | 0

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Converting table data from Celsius unit to Fahrenheit unit
Result = T(:,10:17) * (9/5) + 32 ;

1 month ago | 0

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Im creating a nested treemap, but the output is giving different colors for the legend and treemap
legend() does not permit passing in an N x 3 array of legend colors. legend() does not permit setting Color at all. legend() p...

1 month ago | 0

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I can't minimize fval value using this code
You have constraints = @(capplcsz_opt) constraint_GA(capplcsz_opt, Vmax, Vmin); when you should have constraints = @(capplcsz...

1 month ago | 0

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How to interface symbolic solutions with numeric ode solvers
When you symfun(), an anonymous function is generated that does not use the symbolic toolbox. The traceback for the anonymous ...

1 month ago | 0

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Error of array exceeds maximum array size preference
Preferences -> Workspace -> MATLAB Array Size Limit Turn off "Limit array size to a percentage of RAM" Meanwhile, make sure t...

1 month ago | 0

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App designer button down callback with keypress
You need to check the figure property "SelectionType" The ability to check the details of modifiers is for figure WindowKeyPres...

1 month ago | 1

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I was trying to find the optimised design variables using GA in MATLAB. When I run the program it was running and running. Can anyone please check the loops used in the codes?
Your objective function calls [~, ~, ~, ~, ~, ~, ~, ~, ~, ~, ~, ~, E_MCP, E_PIP, E_DIP] = calc_EFG(x); Your nonlinear...

1 month ago | 0

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How can i restrict the cross cursor in ginput function into a specific UIAxes instead of it showing in the whole appdesigner figure?
You can do something using the undocumented overobj() but see https://www.mathworks.com/matlabcentral/answers/327043-change-the-...

1 month ago | 0

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how to pass initial guess to ga(),this is my sample code and i want to initialize complex initial guess in the code please help
In order to pass in an initial guess, you need to create an options structure and set InitialPopulationMatrix specifies an ini...

1 month ago | 0

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getting the error "Conversion to logical from string is not possible" while using UI table
app.Channels = string(subsystem.ChannelNames); app.Channels will store channel names app.SelectedChannels = app.Channe...

1 month ago | 1

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I need help trying to code an mn by mn A matrix to be use to calculate temperature
if i >= 2 && i <= c-1 if j >= 2 && j <= d-1

1 month ago | 0

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Reference to non-existent field 'folder'.
In sufficiently old versions of MATLAB, there is no .folder field in the results of dir. I think .folder was added roughly R20...

1 month ago | 0

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Incorrect rendering of legend in an error bar plot having both verticle and horizontal error bars.
You do not have 6 lines plus constant lines. You have lots and lots of errorbar() objects, some of which happen to have the sam...

1 month ago | 1

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I am wanting to delete these entries of vector x when x = 0. How do I do this. Matlab gives me an error right now saying index cannot exceed 38 but I don't know what's wrong.
@Torsten's recommendation of x(x==0) = [] is the best. But alternately, for i = 56:-1:1 if x(i) == 0 x(i) = [] ...

1 month ago | 0

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vectorization examples for efficiency
x = 0:1/99:1; zeros(size(x)); x+1 a=[x;x]; [2*x; x] repmat([1;1;0],1,10);

1 month ago | 0

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Answered
how to enter exponential multiplication with a time dependent array
You need to decide whether you are doing array indexing, or are creating a formula. t=0:0.06:3; fa(t)=10*exp(-5*t) is interpr...

1 month ago | 0

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Getting the error "Dimensions of arrays being concatenated are not consistent" but I can't tell why. (See my code in the body of this post)
(y(1))^2 + (y(2))^2 -2*y(2)+2 (y(3)^2) - 5 Inside [] that is interpreted as (y(1))^2 + (y(2))^2 -2*y(2)+2, (y(3)^2) - 5 You a...

1 month ago | 0