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.

Statistics

All

View badges

Content Feed

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...

ungefär 2 månader 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...

4 månader 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...

7 månader 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...

8 månader ago | 1

| accepted

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...

8 månader ago | 0

| accepted

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...

8 månader 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...

12 månader 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...

12 månader 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...

ungefär ett år 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...

ungefär ett år 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.

ungefär ett år 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...

mer än ett år 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...

mer än ett år ago

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

mer än ett år ago | 0

| accepted

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

mer än ett år ago | 0

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

mer än ett år 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...

mer än ett år ago | 1

| accepted

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 ...

mer än ett år 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-...

mer än ett år 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...

mer än ett år 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...

mer än ett år ago | 0

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

mer än ett år 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...

mer än ett år ago | 0

| accepted

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...

mer än ett år 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)) ...

mer än ett år ago | 0

| accepted

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...

mer än ett år ago | 1

| accepted

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...

mer än ett år ago | 1

| accepted

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...

mer än ett år 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...

mer än ett år ago | 1

Published

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

mer än ett år ago