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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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Content Feed

Published


Celebrating Pi Day with cool visualizations
Jiro's Pick this week is Happy Pi Day by Zhaoxu Liu / slandarer.I'm a couple of days late, but I wanted to highlight this...

3 days ago

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Published


Statistical visualization functions and “Open in MATLAB Online”
Jiro's Pick this week is dabarplot, daviolinplot, daboxplot by Povilas Karvelis.Today, I'd like to highlight a couple of...

2 months ago

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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...

7 months ago

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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...

9 months ago

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Published


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

1 year ago

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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...

1 year 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...

1 year 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...

1 year ago

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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

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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

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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 | 1

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

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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

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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

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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)))

2 years ago | 0

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

2 years 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...

2 years 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 ...

2 years 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-...

2 years 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...

2 years 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...

2 years ago | 0

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

2 years 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...

2 years 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...

2 years ago

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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)) ...

2 years 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...

2 years 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...

2 years 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...

2 years ago | 0

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