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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Published

Simulate Home Battery Management System
Jiro's Pick this week is Home Battery Energy Management System by Rodney Tan.I met Dr. Rodney Tan at a virtual educator...

4 months ago

Published

MCmatlab: A Monte Carlo simulation for photon transport in 3D voxel space
Today, I am inviting Temo, who is from the academic discipline marketing team, and he looks after the physics discipline. He...

6 months ago

Published

Bouncing Rod Simulator
Jiro's Pick this week is Bouncing Rod Simulator by Matthew Sheen.As a mechanical engineer, I love simulating physical...

10 months ago

Answered
currentProject() function in Parallel Computing Toolbox
You can open the project on all workers before the loop with parfevalOnAll. gcp rf = currentProject().RootFolder parfevalOnAl...

10 months ago | 1

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Answered
Why will categorical not convert this cell string?
The left-hand side was a cell. So it successfully converted the right-hand side to categorical but then could not stick the cat...

11 months ago | 0

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Published

MatCal
Will's pick this week is MatCal by Bryan. I'm no archaeologist, but I read a fair number of books that cover the topic. A...

11 months ago

Published

Figures for Dark Mode
Jiro's Pick this week is dark mode plot by Natan.Do you work in dark mode? If you do, you need to take a look at this entry...

1 year ago

Published

Random String Utility
Will's pick this week is Random String Utility by Dan Couture. This is an oldie but a goodie. This submission is from...

1 year ago

Answered
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...

1 year ago | 0

Published

Learning programming through game building
Jiro's Pick this week is AstroVolley Courseware by Paul Huxel.Back in my undergraduate studies (many, many years ago), I...

1 year ago

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

1 year ago | 0

Published

Get your subplots the way you want it with subplotHelper
Jiro's Pick this week is subplotHelper by my Frederick Zittrell.Did you know that subplot can be used to create...

1 year ago

Published

Dave’s MATLAB Shooter
Will's pick this week is Dave's MATLAB Shooter(data) by David Buckingham. This submission is way back in 2010, but it has...

1 year ago

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

1 year 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)))

1 year ago | 0

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

1 year ago | 0

Answered
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...

1 year 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 ...

1 year 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-...

1 year ago | 0

Answered
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...

1 year ago | 0

Answered
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...

1 year ago | 0

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

1 year ago | 0

Answered
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...

1 year ago | 0

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Published

Take your Live Script to WordPress
Jiro's Pick this week is Publishing tool for MATLAB® live script to WordPress by my colleague Cheng Chen.I do two different...

1 year ago

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)) ...

1 year 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...

1 year 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...

1 year 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...

1 year ago | 0

Answered
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...

1 year ago | 1

Published

Detecting Ellipses in Images
Brett's Pick this week is Ellipse Detection Using 1D Hough Transform, by Martin Simonovsky.ContentsIntroductionThe SourceThe...

1 year ago

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