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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Smart indent new bheaviour (removing whitespaces) is messing with Git
This isn't a direct answer to your question but a couple ideas: 1) In my opinion, the new behavior is smarter. There shouldn't...

27 dagar ago | 0

Answered
Can Matlab append figures to an existing PDF file?
In newer releases you can do this with exportgraphics. See the section on appending.

3 månader ago | 0

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Creating Geometry for PDE model
What about the doc example isn't sufficient for you? It literally creates a rectangle. geometryFromEdges

4 månader ago | 0

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Answered
Capitalize 1st word of an character array
s = "99this" firstletter = letterBoundary("start")+lettersPattern(1) replace(s, firstletter, upper(extract(s, firstletter)))

4 månader ago | 0

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Can you rotate a shape based on quiver direction?
Look at hgtransform

4 månader ago | 0

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Find and Replace (MATLAB)
strip(extractAfter('Adak Island, AK',",")) And see the other fun methods of string to figure out how to manipulate the part you...

4 månader ago | 1

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Answered
Is there a built-in function to validate a class property that should be a cell array?
I think you'll have to write your own. Must be underlying type is for distributed, gpuArrays and others that masquerade as the ...

4 månader ago | 0

Answered
How to vectorize the following operations?
This ought to do it for you in one shot. pagemtimes d = 4; n = 5; A = rand(d,d,n); x = rand(d,n); y = rand(d,n); % for-...

4 månader ago | 0

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How can I avoid errors related to a datatip when deleting a figure?
Not sure why you're parenting to [], that doesn't make sense. Just delete the figure with your MWE works fine. (Still probably...

5 månader ago | 0

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Create tables based on partial match in variable names in other table
Convert your cellstrs to strings string(t.Properties.VariableNames) Then you can use any of the easy string matching functions...

5 månader ago | 0

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Help with code, writematrix not working. Please help fix
which -all writematrix which -all mpower

5 månader ago | 0

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How do I pass by reference, a structure to a function (an .m file) in an argument list?
Author a simple handle class that has the structure as a property classdef referenceStruct < handle properties S s...

5 månader ago | 0

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Answered
How do I pass an object into a timer callback function?
Pass cam in with an anonymous function when you create the timer cam = camera t = timer(TimerFcn=@(~,~)checkFinished(cam)) ...

5 månader ago | 0

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Answered
Show viscircles results in App Designer
Specify the app UIAxes as the first input a = uiaxes; % replace with you app.UIAxes imshow('coins.png',Parent=a) [centers,rad...

5 månader ago | 1

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Answered
Extracting xyzpoints from Point Cloud
The location is the xyz points and it's 2d, not 3d like how you're indexing it. points3d = ptCloud.Location.'; Would give you...

6 månader ago | 1

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Answered
Creating tables on MS Word
This is exactly what the MATLAB Report Generator does really well. Look at the sections on tables and images, here: https://ww...

6 månader ago | 0

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How to publish as pdf from command tab
Open the function and go to the publish tab in the toolstrip. From there, click the dropdown under the publish icon for settings...

6 månader ago | 1

Answered
Is it a good idea to overload subsref to mimic MATLAB's griddedInterpolant behavior?
Personally, i.e. not speaking for my corporate overlords, I don't like this design pattern. I prefer a well-named "evaluate" me...

7 månader ago | 1

Answered
How to fix auto-reflow issues?
In 21b you can remove autoreflow from the Canvas Tab>Convert. They named the feature to remove it after me because I was in the...

7 månader ago | 0

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Answered
Why Matlab does not see Python?
Looks like you have 32-bit python. You need 64-bit Python.

7 månader ago | 0

Answered
Convert python numpy 2D array to matlab 2D array
What is the underlying python class of your ndarray? It doesn't seem to be recognized by double. Here, I create it with int8 a...

8 månader ago | 1

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Using function of newer MATLAB version in older version
Sounds like you might be looking for wrapTo360 et al. in Mapping Toolbox: https://www.mathworks.com/help/releases/R2021b/map/re...

8 månader ago | 0

Answered
Create Text Box in PowerPoint file
All you have to do is set X/Y/Width/Height properties of the TextBox presentation element. See this example that does exactly w...

8 månader ago | 0

Answered
Call a MATLAB function from .NET program
https://www.mathworks.com/help/releases/R2021b/matlab/matlab_external/call-matlab-function-from-c-client.html

9 månader ago | 0

Answered
Generating an STL of a paraboloid surface made out of hexagons
1) yes 2) Look at stlwrite and triangulation.

9 månader ago | 1

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surf indices reversed?
I think you're seeing the difference between meshgrid and ndgrid. Meshgrid is used for plotting, ndgrid for matrix/tensor work ...

9 månader ago | 1

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Sending input() from Python API
This works if you start the MATLAB engine with the desktop: import matlab.engine eng = matlab.engine.start_matlab('-desktop'...

9 månader ago | 0

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How can I iterate across the opposite diagonal?
full(flip(gallery('tridiag', 8, 4, 6, 4), 2))

10 månader ago | 0

Answered
How Can I create a function as a string
function grade=mygrade(grade) arguments grade(1,1) string = input('Write the grade:';'s') end grade = lo...

10 månader ago | 0

Answered
how to change back to the right base for answers?
Or just call format short

10 månader ago | 0

Sean de Wolski

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