Community Profile

photo

Sean de Wolski


Last seen: Today

MathWorks

5.787 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.

Sean de Wolski's Badges

  • Scavenger Finisher
  • Master
  • 36 Month Streak
  • Thankful Level 2
  • Quiz Master
  • Creator
  • Speed Demon
  • Personal Best Downloads Level 2
  • GitHub Submissions Level 3
  • First Review
  • 5-Star Galaxy Level 3
  • First Submission
  • Revival Level 3
  • Knowledgeable Level 4
  • First Answer

View all

Contributions in
View by

Answered
datenum resulting in incorrect values
Please use datetime instead of datenum. If you have an excel date, you can convert directly from that d = datetime(x, 'Convert...

alrededor de 3 horas ago | 1

Answered
How to correctly use MONTHS function?
You should use datetimes, durations and the between function for this: >> d1 = datetime('may 31 2000', 'InputFormat', 'MMM dd y...

2 días ago | 0

Answered
How to convert arc length to km?
Arc length from the distance function is the distance. It will be in units of the ellipsoid or the value of the fifth input arg...

2 días ago | 0

| accepted

Answered
How to add set/get methods methods in class constructor
You want dependent properties: Set and Get Methods for Dependent Properties - MATLAB & Simulink (mathworks.com)

7 días ago | 0

Answered
Finding threshold value with Otsu Method
doc graythresh

8 días ago | 0

Answered
Will newer versions of the MATLAB Compiler Runtime work on older versions of MATLAB?
No. The runtime needs to match the version of MATLAB it was compiled with.

8 días ago | 0

| accepted

Answered
randsrc() in SimEvents simulink
Put this before it: coder.extrinsic('randsrc')

14 días ago | 1

| accepted

Answered
array2table won't accept variable name input
Support for invalid variable names was added recently so you're probably on an older release that required >>isvarname(varname) ...

20 días ago | 0

Answered
System command calls different version of gdal
Can you provide the full path to the gdal executable? system('<gdalroot>/gdalinfo --version');

25 días ago | 0

Answered
How to turn off the JIT compiler in MATLAB R2020b?
No. All MATLAB code is JIT compiled in releases 15b and later.

29 días ago | 0

| accepted

Answered
Generating enlarged figure for Report.
https://www.mathworks.com/help/releases/R2020b/matlab/ref/matlab.ui.figure-properties.html#d122e384507 Look at the paper posi...

alrededor de 1 mes ago | 0

Answered
How to calculate hourly average value for measured Temperature, CO2, RH and Rid in 5 minutes interval
Read it in as a timetable readtimetable then call retime which does exactly what you want. t = readtimetable('yourfile') fivem...

2 meses ago | 0

Answered
Motor control toolbox license
It doesn't look like it's avaiable - MATLAB Home - MATLAB & Simulink (mathworks.com) Click the see available products button. I...

2 meses ago | 0

| accepted

Answered
How to add Python Libraries which are referenced in a Python routine
Are you sure the python environment (specified by pyenv) is numpy aware?

2 meses ago | 0

Answered
How to convert image .mat back to the mlreportgen.dom.Image object?
You'll need to write the image back to disk as the report generator needs to deserialize it from this format into the report. If...

3 meses ago | 0

| accepted

Answered
Shrinking image by averaging
This works img = repmat(1:6,4,1) shrink = @(x)reshape(sum(reshape(sum(reshape(x,2,1,[])),size(x,1)/2,2,[]),2)./4,size(x,1)/2,[...

3 meses ago | 0

Answered
Appdesigner uitable and uistyle
capital S in addStyle :)

3 meses ago | 0

| accepted

Published


Simulink Keyboard Input v2
Will's pick this week is Simulink Keyboard Input v2 by Emanuele Ruffaldi. I have streamed data into Simulink models from...

3 meses ago

Thumbnail

Answered
Function 'daysact' not supported for code generation.
You should use the newer and recommended datetime / duration classes which support c-codegen: d = days(datetime(t1)-datetime(t2...

3 meses ago | 0

Published


Convert your live scripts to markdown file
Jiro's Pick this week is Live Script-to-Markdown by Michio, one of my colleagues in MathWorks Japan.As you know, File...

3 meses ago

Thumbnail

Published


2020 Index
...

3 meses ago

Thumbnail

Answered
Timer callback with alternating paths based upon which path was triggered before
You could use a simple persistent variable in your callback function to maintain state.

4 meses ago | 0

| accepted

Answered
Is this right?
-4 v -5?

4 meses ago | 0

| accepted

Published


Leaf Pile 3D
Sean's pick this week is leafpile3d by Nathaniel Barlow and the extended version with drag by Chris Verhoek. ...

4 meses ago

Thumbnail

Answered
Manipulating PowerPoint Custom Document Properties Using ActiveX
You should strongly consider using the MATLAB Report Generator to generate the presentations. It lets you use existing template...

4 meses ago | 0

Published


Aircraft Intuitive Design
Richard is a Consulting Engineer at MathWorks focused on the Embedded Coder product for code generation,...

4 meses ago

Thumbnail

Answered
Is there a script or app to convert many (>50) matlab figure files into powerpoint presentation??
You can do this pretty easily with the MATLAB Report Generator. Presentation Generator Development - MATLAB & Simulink (mathwor...

4 meses ago | 0

Answered
Sorting time in 1 hour time slots.
Look at retime. doc retime

5 meses ago | 0

Published


Emulating a physical experiment of measuring M&M’s
Jiro's Pick this week is M&amp;M statistics by Lisa R. Thompson.A common challenge I hear from educators is how to conduct...

5 meses ago

Thumbnail

Load more