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Sean de Wolski


Last seen: 1 day ago

MathWorks

5,717 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.

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Answered
use of retime with outlires
Use standardizeMissing() on the data set first with -999 as the indicator. Then you could either use fillmissing or rmmissing t...

4 days ago | 0

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Answered
App Designer Compatibility between 2020a and previous versions of Matlab
The app won't run in R2019b. You'll have to develop it on the earliest release that support is required for.

5 days ago | 0

| accepted

Answered
Mask Password with asterisk in edit field used in app designer
I would recommend using uihtml and the html password edit box. Attached is a functional example (can be better formatted and wh...

5 days ago | 2

Answered
How can the code tell if a single test is running instead of the whole test class?
Having the tests needing to know about how they are running is backwards. The tests should always do the same thing - test the ...

9 days ago | 0

Published


File Exchange Select – Inpaint_Nans, Gridfit, and fminsearchbnd/fminsearchcon
Sean's pick this week are the "File Exchange Select" files: inpaint_nans, fminsearchbnd-fminsearchcon, and...

16 days ago

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How to create a 3D non convex surface (helical ribbon) with a set of points?
You could consider alphaShape. I'm not sure how it will handle the ribbon aspects though.

18 days ago | 0

Published


Changing figure settings
Jiro's Pick this week is SetFigPaper by jmrplens.Many of you may know export_fig by Yair (originally created by Oliver...

21 days ago

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Answered
How to run google earth using MATLAB commands?
Do you want to open Google Earth or write files that can be consumed by it? Look at kmlwrite for writing files to be shown in i...

24 days ago | 0

Answered
Matlab can't be used for anything else while my code is running. How to fix?
For that application, use a timer.

25 days ago | 0

Answered
How can i take a property names in cell array of char vectors without using property function?
Why do you need to the property list in the C/C++ code? You could always just store it manually which would also let you contro...

26 days ago | 0

Answered
Add space and style to sliced table - MATLAB Report Generator
You're appending the same paragraph multiple times. It can only be appended once. Clone it first append(d,clone(p))

27 days ago | 0

Answered
Cumulative sum of last n entries of column vectors
Read saved table T = readtable('data.txt'); head(T) ans = C A CA _____ _ __ {'A'} 1 1...

27 days ago | 1

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Answered
Appdesigner apps won't run
Sounds like you may have corrupted: appdesigner.internal.service.AppManagementService. Probably worth contacting tech support. ...

27 days ago | 0

Answered
How to color/shade a sector of a polar plot with customized axis?
Use a polarhistogram and a polarplot (these are newer replacements for polar). This should give you the flexibility you want.

1 month ago | 0

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Published


MATLAB R2020a
Sean's pick this week is MATLAB R2020a by MathWorks' Development. Contents ...

1 month ago

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Ridgeline Visualization
Jiro's Pick this week is joyPlot by Santiago Benito.I must admit that I was simply drawn by the visualization, rather than...

1 month ago

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Answered
Unit tests fail on "even" runs, but pass on "odd" runs (alternating pass/fail)
You should convert your code files and tests into a MATLAB Project which manages the path for you. Then as long as the project ...

1 month ago | 0

Answered
How to partition (discretize) the space around points using Voronoi Diagram?
Create a polyshape for each voronoi cell. Loop over cells and test isinterior for each, you can short circuit when you find a ...

1 month ago | 1

| accepted

Submitted


Figure Deployer
Deploy figures to images or byte streams.

1 month ago | 5 downloads |

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Answered
how i can known the active tab in a tabgroup component in the appdessigner tool?
What do you mean this "doesn't work"? app.nameTabGroup.Selectedtab Is the right way to do this so somewhere your logic or cod...

2 months ago | 0

| accepted

Answered
find handle to uialert/uiconfirm windows/boxes
I don't think it's possible to get a handle to and do what you're asking. That being said, I question the usability of an app t...

2 months ago | 0

Answered
Error using matlab.codetools.requiredFilesAndProducts (line 91)
Please contact technical support. At the very least this is a bug because available has a typo in it.

2 months ago | 0

Published


A nod to our developers, and a game of Minesweeper
Before he Picks this Week's featured File Exchange submission, Brett would like to give a nod of appreciation to the...

2 months ago

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Answered
I have a plot and i want to switch it to histogram ,how i can do it?
Something like this histogram(mat,edges,'Normalization','probability');

2 months ago | 0

Answered
global legend in tiledlayout
Look at sgtitle which does exactly this. doc sgtitle

2 months ago | 1

Answered
In Deep Learning Toolbox, what input layer should I use for simple dataframe-type input?
I don't think deep learning is the right approach if your input data has two points. Consider using a standard machine learning...

2 months ago | 0

Answered
How to get multiple class instances in function?
a.myfunc(b) % or myfunc(a, b) When you call a.function it passes a as the first input so right now you're doing the equivalen...

2 months ago | 1

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Published


COVID-19 Research and Development with MATLAB and Simulink
COVID-19 Research and Development Sean's pick this week is COVID-19 Research and Development by MathWorks. ...

2 months ago

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Answered
Best Practice for Defining Large Constant Array in Function (Must Code-generate)
Look at using System Objects and the MATLAB System block in Simulink. These are optimized for streaming workflows and code gene...

2 months ago | 0

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