Answered
i am receiving the error "Execution of script loopRectangular as a function is not supported" when i try to run the following line of code: ha=loopRectangular('Length',1.0,'W
It sounds as if the function is defined inside the mlx and you are trying to call it from outside the mlx. That is not possible....

6 days ago | 0

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extracting rows from large table
mask = YourTable{:, 5} == 0; subset0 = YourTable(mask, :);

6 days ago | 0

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Answered
Access Sub-fields of multiple different-named fields in struct
struct2cell(structfun(@(F)F.x, s, 'UniformOutput', 0))

6 days ago | 1

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Why does sqlread() not work?
https://www.mathworks.com/help/database/ug/sqlite.sqlread.html sqlread() for sqllite() requires r2022a or later; you are usin...

6 days ago | 0

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Find the position of numbers in array
percent_present = mean(ismember(SmallVector, LargeVector)) * 100

6 days ago | 0

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The source code for the parfor-loop could not be found
Sometimes you need to addAttachedFiles; https://www.mathworks.com/help/parallel-computing/parallel.pool.addattachedfiles.html

6 days ago | 0

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Answered
create a function from temperature data
If you have the Curve Fitting Toolbox, you can use curvefitter() https://www.mathworks.com/help/curvefit/curvefitter-app.html . ...

6 days ago | 0

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How to fill just such successive elements in row of matrix?
Consider for example, A(i : min(i+k-1, end), j) This would refer to at most k consecutive rows starting at row i but would sto...

6 days ago | 0

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Extracting envelope using hilbert transform
According to the documentation, the real part of the return value is the same as the input value, and the hilbert transform is s...

6 days ago | 1

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How to put bounds and delete certain rows from a matrix.
In MATLAB, if you use logical indexing to delete entries from an array, then the result you get is a column vector in linear ind...

6 days ago | 0

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Retrieve data from a guidata from another file
handles_hf = guidata(hf); if handles_hf.X.Value == 1

6 days ago | 0

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Answered
Calculate the area of geometry
The first thing you need to do is decide how the user is going to represent the specific shape for calculation purposes. are y...

6 days ago | 0

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How to distribute random points outwards from a center location?
cx = 3; cy = 5; %as appropriate R = 20; N = 1000; theta = rand(1, N) * (2 * pi); rbase = rand(1,N) * R; [X, Y] = pol2cart...

6 days ago | 1

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Answered
Problem using variable='z^-1' in Z transform with Z^-1 format
Setting the Variable property afterwards just changes the Variable property, without reinterpretting the matrices. It is not a c...

6 days ago | 0

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MAJOR 25+ YEAR OLD MATLAB BUG. PLEASE, PLEASE FIX! Ctrl-C doesn't work, no way to stop a process.
| appreciate that there are issues with OS implementations, eg memory management, that make this a challenge. That said, I'm qu...

6 days ago | 1

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got new laptop; can't access matlab from it
https://www.mathworks.com/downloads/ for downloads. You will probably need to deactivate against the old system to activate on ...

7 days ago | 0

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Has anyone got aaS Matlab toolbox I need it soon kindly help I will be very grateful to you
The current student software downloads are linked from https://www.ansys.com/academic/students Ansys aaS appears, however, to ...

7 days ago | 0

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find 1s in the Matrix
firstcol = 48; lastcol = 65; offsetcol = 14; idx = firstcol:lastcol; offsetidx = idx-offsetcol; result = YourMatrix(:,offse...

7 days ago | 0

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Answered
Drawing a boundary box around an image?
My goal is to create a bounding box around the non-zero pixel value region of my image. filename = 'https://www.mathworks.com...

7 days ago | 0

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Poisson distribution and discrete distribution
fitdist allows you to fit a distribution to data. I want to fit Y to a Discrete distribution There are an infinite number of d...

7 days ago | 0

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creating a function nonpivotcols that takes a m*n matrix as input and produces a matrix consisting of the nonpivot columns of the input
[R pcols]=rref(A); A(:,pcols)=[]; You deleted the pivot columns out of A. Whatever is left must be non-pivot columns. [r,fcol...

7 days ago | 0

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What does it mean to "% extract t and h(t) for time range 5.0<=t<=12.0" when "h=4.0+6.0*t*10^-0.5-(4*10^-0.25)*cos(0.75*pi*t)"?; when
One way: Loop over the indices of the vector of t. At each point, make the "current" t equal to the t vector indexed at the cur...

7 days ago | 0

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Select multiple radiobutton at the same time
hf=exemple; You run the code in exemple and it returns. You are no longer running any code inside exemple but it set up sev...

7 days ago | 0

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Cannot execute Figure(3).
q=[0.000000025;0.000000034;0.000000042]; %Calculate manually on 0.75Q, Q, 1.25Q; f=1-exp(-(((k*pi*d)/q))*z); The / opera...

7 days ago | 0

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Unrecognized function or variable 'Fid2'.
l = fgetl(FID); if strcmp(l(1),'**') fgetl returns a character vector (except at end of file) l(1) will be a sing...

7 days ago | 1

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Answered
Simulink files compatibility with MATLAB versions
Yes. The Function Block (not the same as MATLAB Function Block) no longer exists. You might want to hold on to one of your previ...

7 days ago | 0

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GPU coder :basic Code Generation failed
I think Cuda Toolkit 11.6 is not supported in your release. I am having difficulty finding the toolkit version that is supported...

7 days ago | 0

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which part of my logic is wrong?
You used the / operator. The / operator is matrix division. P/Q is approximately P*pinv(Q) . In situations such as yours with ro...

8 days ago | 1

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Answered
trisurf: Removing Unwanted Lines and Surfaces from Irregular 3D Plot
You should not do this at the trisurf() level; you should be creating a modifed triangulation https://www.mathworks.com/help/ma...

8 days ago | 0

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3D plot in Simulink
XY Graphs are specifically documented to open a different window for each block, and only permit scalar X and scalar Y. But you ...

8 days ago | 0

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