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Sean de Wolski

MathWorks

Active since 2004

I like to be outside. But if I'm inside, I like to be using MATLAB.

I'm a Senior Application Engineer at MathWorks and civil/structural engineer by education.

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Answered
Convert String to numbers
s = ["0001" "0002"] n = double(s)

1 dag ago | 0

Answered
MATLAB App Testing - Confirmation dialog boxes
You can dismiss and alert but not a confirmation dialog yet. Capability for alerts added in 21a. https://www.mathworks.com/h...

7 dagen ago | 1

Answered
Code conversion using matlab coder
Being pedantic, you should NOT be using scripts but functions for everything. So step 1 is convert everything to functions. Re...

8 dagen ago | 0

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Answered
removing an entire row
grace = s(s(:,3)~="fred",:)

17 dagen ago | 0

| accepted

Answered
How to trigger an App Designer UI component's callbacks programatically, like `notify()`
Do you want to do this in the scope of testing, or to reuse the functionality of the button callback? For the former, look at m...

18 dagen ago | 0

Answered
How to implement an API REST POST in Matlab
Look at either: weboptions('RequestMethod','post') or doc webwrite

21 dagen ago | 0

Answered
2d interpolation of n-dimensional data
You can just change the Values of one scatteredInterpolant object. It won't have to redo the expensive underlying triangulation...

24 dagen ago | 0

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Answered
Why does this example from MathWorks work on Windows but not on Mac?
which -all plot It's not win v. mac but that you've shadowed plot on the failing machine.

24 dagen ago | 0

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Answered
which one is better?deep learning toolbox or matconvnet
Matconvnet hasn't been updated in 3 years. Deep Learning Toolbox has dozens of full time staff working on it, improving it, and...

27 dagen ago | 0

Answered
How to become a staff if you are among the big potatos of mathworks in the answer community?
Hi Wan Ji, I'd be happy to refer you to a MathWorks position. I got my referral from someone who observed me answering questio...

28 dagen ago | 0

Answered
Pattern Search Stopping Criteria
You can use an outputfcn for this. The output function can pass back a stop flag. https://www.mathworks.com/help/releases/R202...

ongeveer een maand ago | 0

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Answered
Calling MATLAB class functions from Python with matlab.engine
MWE works for me. Specify nargout, and make sure your directories are on the path (strongly recommend using Projects for this, ...

ongeveer een maand ago | 0

Answered
uitable with latex or greek letters
You could use a uihtml component with an embedded table. Of course this table will not be interactive, but if it's for display ...

ongeveer een maand ago | 0

Answered
Set value for elements within a polygon
Something along this line will work too. Note, you may need to deal with x/y v. row/col indexing (swap meshgrid for ndgrid). d...

ongeveer een maand ago | 1

Answered
How to create a map mask using coordinates
What is your end goal? You need to project lat and lon into cartesian coordinates. From there, you can use poly2mask. The res...

ongeveer een maand ago | 0

Answered
My code runs as a m file but not as an exe. What to do?
This answer explains it: How can I compile a pre-trained neural network into a standalone application using the MATLAB Compiler...

ongeveer een maand ago | 0

Answered
Aerospace toolbox: “Unable to resolve the name” error
which -all Aero.FixedWing

ongeveer een maand ago | 0

Answered
How to have multiple lines in a table variable name?
t = table(1,'VariableNames',"hello"+newline+"world") t(1, "hello"+newline+"world") Not sure why you'd want this though?

ongeveer 2 maanden ago | 0

| accepted

Answered
Run reinforcement learning Agent on raspberry
You won't want to compile the MEX file to run on the Pi because it requires MATLAB. Instead generate code and recompile it for ...

3 maanden ago | 0

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Answered
Is there a MATLAB package manager?
Right now there is no package manager like the ones you listed in that everything in MATLAB is tied to the path. Using MATLAB A...

3 maanden ago | 0

| accepted

Answered
I need to run this python code in MATLAB. Can anyone guide me, please?
Why not use MATLAB's native MODBUS support? MODBUS Communication - MATLAB & Simulink (mathworks.com)

3 maanden ago | 0

Answered
ga optimization share variable between constraint and objective function to reduce computational time
All of your constraints are simple arithmetic. I think you could solve this much more quickly and effectively as a mixed intege...

4 maanden ago | 0

Answered
Matlab Forecast Report Example File
Hi Ian, You can email me at: char(matlab.net.base64decode("c2Rld29sc2tAbWF0aHdvcmtzLmNvbQ==")) and I'll get you the files.

4 maanden ago | 1

| accepted

Answered
How do you add a header to a printed figure?
You can use the MATLAB Report Generator to build sophisticated reports with whatever formatting, chapters, sections, etc. you ne...

4 maanden ago | 0

Answered
How to shift all the non-zero elements of a matrix to the right of the matrix?
Without loop or cells: x = [1 2 3 0 0 1 2 0 0 0 1 2 3 0 0 0 1 0 0 1 2 3 1 2]; xt = x.'; sxr = sort(logical(xt), 1, ...

5 maanden ago | 2

Answered
Trouble with jsondecode() and jsonencode()
fprintf(fid,"%s",str2) That way if there are format spec characters in the JSON they are not interpretted as such.

5 maanden ago | 1

Answered
How can I create a standalone application using my model from Regression Learner?
You need to get the data into the compiled app. Typically with compiling to an executable this would be by passing in a file na...

5 maanden ago | 0

Answered
TiledLayout fill with for loops
f = figure; t = tiledlayout(f,5,3); for ii = 1:15 nexttile(t) plot(sin(1:(ii*10))) end

5 maanden ago | 0

Answered
Is it possible to vectorize this?
A = [1 2 0 3 4 6; 9 3 4 0 9 5; 4 3 0 5 6 7; 3 7 7 3 0 0;1 1 8 8 4 8; 0 0 0 0 4 2; 0 0 0 0 0 0] B = accumarray(repmat((1:height(...

5 maanden ago | 2

| accepted

Answered
How to add graph in the template used for report generation
The plot can go into any block hole you have in the template. You can use mlreportgen.dom.Image or mlreportgen.report.Figure to...

5 maanden ago | 2

| accepted

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