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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)

6 Tage 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...

12 Tage 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...

13 Tage ago | 0

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

22 Tage 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...

22 Tage ago | 0

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

26 Tage 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...

29 Tage 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.

29 Tage ago | 0

| accepted

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...

etwa ein Monat 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...

etwa ein Monat 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...

etwa ein Monat 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, ...

etwa ein Monat 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 ...

etwa ein Monat 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...

etwa 2 Monate 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...

etwa 2 Monate 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...

etwa 2 Monate ago | 0

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

etwa 2 Monate 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?

2 Monate ago | 0

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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 Monate 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 Monate 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)

4 Monate 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 Monate 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 Monate 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 Monate 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 Monate 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 Monate 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 Monate 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 Monate 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 Monate 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 Monate ago | 2

| accepted

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