Community Profile

photo

Sean de Wolski


MathWorks

5,609 total contributions 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.

Contact

Sean de Wolski's Badges

  • Master
  • Quiz Master
  • 36 Month Streak
  • Thankful Level 2
  • Revival Level 3
  • Knowledgeable Level 4
  • First Answer
  • Scavenger Finisher
  • Creator
  • Speed Demon
  • Promoter
  • Commenter
  • Solver

View details...

Contributions in
View by

Answered
Add timetable with many months to another timetable with few months
Look at synchronize it does exactly this: tt = timetable(dateshift(datetime,'start','day'), 42, 'VariableNames',"Cars") tt2 = ...

2 days ago | 2

| accepted

Published


Winner of Machine Learning Hackathon
Jiro‘s Pick this week is Deep Learning Hackathon with Transfer Learning by Paola Jaramillo.Deep learning is becoming more...

10 days ago

Thumbnail

Published


How Old Do I Look?
Brett‘s Pick this week is Age and Gender Estimation from Face, by Masayuki Tanaka. Back in 2014, I “co-selected” one of...

17 days ago

Thumbnail

Answered
Is it possible to change PATH temporarily?
You really should look into using actual "Projects" in R2019a. They do exactly what you want. https://www.mathworks.com/help/r...

19 days ago | 0

| accepted

Answered
Duplicate points evaluated in Bayesian Optimization
You may want to look at the memoize function to cache the initial call so subsequent ones can just use the cached value. https:...

20 days ago | 0

Published


Polygon2Voxel
Sean‘s pick this week is polygon2voxel by Dirk-Jan Kroon. I was recently asked: “How can you find the intersecting volume...

24 days ago

Thumbnail

Answered
How to Compile an Application with the "pspectrum" function?
The signalAnalyzer app is not compilable. You shouldn't have to do anything to compile pspectrum, it should just work. Do you ...

27 days ago | 0

Answered
Findpeaks - excluding peaks within certain x axis values
findpeaks(y(x>10)) ?

28 days ago | 1

| accepted

Answered
SimEvent entity life time for total cycletime calculation
Pull in the Simulink Sources / Clock Block as an input to stamp an entity with the clock time at initialization and termination....

1 month ago | 0

Answered
Reducing jagged appearance of head CT mesh
Look at using smooth3 on the volume first before calling isosurface().

1 month ago | 0

| accepted

Published


Maze
Will‘s pick this week is Maze by Rodney Meyer. This simple submission is surprisingly effective at providing hours of...

1 month ago

Thumbnail

Answered
Add Customized Elements in Component Library in Matlab App Designer
You should strongly consider using SimEvents for this.

1 month ago | 1

Answered
drawfreehand in App Designer ?
It's kind of silently supported but you can programmatically (>=R2018b) add an axes to a uifigure and then draw* will work. ax ...

1 month ago | 2

Answered
Find non unique string in a table
n = groupcounts(T.Alpha) [~, last] = unique(T.Alpha, 'last') T.Ticket(last(n>1)) Using the "new and shiny" groupcounts.

1 month ago | 1

Published


When was the function introduced?
Jiro‘s Pick this week is when by Reza Ahmadzadeh.Working at MathWorks, I have become spoiled and have become used to...

2 months ago

Thumbnail

Answered
Get a property from a class
You can set the SetAccess attribute of the properties block including it to make it read-only. No reason to deal with get(), ac...

2 months ago | 0

| accepted

Published


Generate Code for All the Things?
Greg’s pick this week is A short introduction on using model based design approach in Embedded System by TAB. Imagine a...

2 months ago

Thumbnail

Published


Struct2Vars
Sean‘s pick this week is struct2vars by Matthew Eicholtz. I was recently asked by a colleague: “How do I get all of the...

2 months ago

Thumbnail

Answered
How can I define a homogeneous cell array with elements of a fixed size?
Why bother using a cell array v. a 3d array of size [dims1 dims2 N]?

2 months ago | 0

Published


Changing font size of built-in dialog boxes
Jiro‘s Pick this week is msgboxFontSize by Adam Danz.This utility reminded me of a very recent project, which would have...

2 months ago

Thumbnail

Published


Beer Me!
Sean‘s pick this week is beerme by bheinle7. Have you ever looked at your MATLAB Apps tab and been sad? Even though the...

3 months ago

Thumbnail

Published


Alluvial flow diagram
Jiro‘s Pick this week is Alluvial flow diagram by Alexander Carmeli.I give credit to Yair for bringing this entry to my...

3 months ago

Thumbnail

Published


AIS Decoder
Idin‘s pick this week is AIS Decoder by our former colleague Mike Donovan. This example shows how to decode automatic...

3 months ago

Thumbnail

Answered
How to call external C++ function from Matlab
Starting in 19a, you can call C++ libraries directly in MATLAB: https://www.mathworks.com/help/releases/R2019a/matlab/call-cpp-l...

3 months ago | 1

Answered
How to convert cell array of characters to a datetime array without looping through each cell individually?
Converting the cellstr to a string makes this much easier: cellDates = {' " 8 / 2 4 / 2 0 1 8 8 : 5 9 : 1 8 A M " ';... ...

4 months ago | 1

| accepted

Answered
How can I upload files to the App Designer? Can files be uploaded in a web application?
Support for uigetfile() to upload local files to a web app was added in R2018b.

4 months ago | 1

| accepted

Published


Memory Info
Sean‘s pick this week is Memory Info by Sviatoslav Danylenko. Have you ever wanted to get the current memory used by MATLAB?...

4 months ago

Thumbnail

Answered
Sending SIMULINK cache files to another folder
In the Simulink Preferences (from home tab>preferences)

4 months ago | 0

Answered
Unhide code in Live Script
Install Update 2 (should appear in upper right hand corner of desktop if online), it fixes this bug.

4 months ago | 0

| accepted

Load more