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Sean de Wolski


Last seen: Today

MathWorks

5 682 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
Select edges that connect subgraphs together
This works for your sample data set (which does not include nodes 12:14 as shown in the plot. Please test test this, I'm not a ...

environ 16 heures ago | 0

| accepted

Answered
exist() absolute vs relative path
If you're on a newer release, consider using isfile(). https://www.mathworks.com/help/matlab/ref/isfile.html

environ 20 heures ago | 0

Answered
Hiding only a section of code in live script.
Put the code you don't want displayed in a separate function that's called from the main live script.

environ 20 heures ago | 0

Answered
range different longitude and latitude geoshow
Look at bufferm https://www.mathworks.com/help/map/ref/bufferm.html. Call that on your data and then just take the bounds() of ...

2 jours ago | 0

Answered
Importing NetCDF files: Script stops when a variable is missing from a file.
Use ncinfo to determine if the variable exists in the file before you to try to read it.

5 jours ago | 0

Answered
Error when assigning categories to a tall array
That also appears to be a bug in how tall handles scalar strings for cats and values. If you make code and meaning into vectors...

9 jours ago | 0

| accepted

Answered
replace function in tall array. This indicates an internal error. Please contact MathWorks Technical Support.
At the very least it's a doc bug because the doc says that tall arrays are fully supported for replace. It does appear to work ...

10 jours ago | 0

Answered
App Designer Main Window Behaviour
You should consider just using menus since that's what you're replicating with tabs. https://www.mathworks.com/help/matlab/ref/...

10 jours ago | 0

Answered
Export Table from Matlab Guide to Excel
This would be a lot easier in App Designer because the uitable data can just be a MATLAB table. I'd strongly encourage you to m...

14 jours ago | 0

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Answered
Matlab app designer can't go further than the first dropdown value
if app.ConfigDropDown.Value == '1' elseif app.ConfigDropDown.Value == '2' elseif app.ConfigDropDown.Value == '3' en...

16 jours ago | 1

Answered
Label connected components in binary image using non-standard pixel connectivity
Call imdilate with a custom structuring element of your size. This will then expand the regions so they overlap and bwlabel can...

17 jours ago | 0

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Answered
Create a 32bit compatible standalone App with MATLAB R2019b
This is directly ony possible with R2015a or older, the last release to support 32 bit. You may consider using web apps which...

20 jours ago | 0

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Answered
Resize Figure for Word report
You should really consider using the MATLAB Report Generator. You can simply add, a figure to a Word report (no COM API etc.). ...

22 jours ago | 1

Answered
Error using Matlab Compiler
The symbolic math toolbox can't be compiled. You'll need to take the symbolic expression and convert it to a numerical one usin...

27 jours ago | 0

Published


Draw a bubble bath
Jiro‘s Pick this week is bubblebath by Adam Danz.Adam is no stranger to File Exchange and File Exchange Pick of the...

environ un mois ago

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Published


Spider Plot III – Custom Charts (Authoring)
Sean‘s pick this week is spider_plot by Moses. Last week, we looked at the custom chart I created.  This week, we’ll look at...

environ 2 mois ago

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Answered
2019b warnings popping up never had this before with 2019a
I've seen this warning in 19b too! Not sure if there is a change to the PNG library being used or if my image is corrupt/out of...

environ 2 mois ago | 0

Answered
checking dataType instead typecast at property or argument validation
There's no way to do this with validators in R2019b and the datatype coercion will always happen. You can use a set.property se...

environ 2 mois ago | 0

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Answered
Problem with accumarray/histcounts
This isn't the easiest to understand algorithm in the world but I think it does exactly what you want. n = size(C,1) ix = ceil...

environ 2 mois ago | 0

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Answered
what's a externally defined MCOS class ?
I'd contact tech support on that one.

environ 2 mois ago | 0

Published


Spider Plot II – Custom Charts (Intro)
Sean‘s pick this week is spider_plot by Moses. Contents Custom Charts Using the Custom Chart Comments Custom Charts My...

2 mois ago

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Answered
How do I add multiple .PNG files to an existing PowerPoint (.pptx) file using a for loop?
I'd strongly encourage you to look at the MATLAB Report Generator for this which has the ability to easily add or replace conten...

2 mois ago | 0

Answered
Integrating MATLAB Maps Broswer in my App Designer Project
Webmaps aren't supported in app designer. Look at using geoplot with the correct base map. Think this will get you what you wa...

2 mois ago | 0

| accepted

Answered
Is there a way to get the top k values per row of a MATLAB array?
I'd probably do something like this: x = magic(4) k = 3 [~,idx] = maxk(x,k,2) for ii = 1:size(x,1) x(ii,~ismember(1:siz...

2 mois ago | 0

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Answered
How to count the number of 1 between two 0 in a vector?
[regionprops(bwlabel([0 1 1 1 0 0 1 0 1 1 0 1]),'Area').Area]

2 mois ago | 0

Answered
In programmatic report generation how can I display numbers in engineering format inside a table?
Look at the NumericFormat property of the MATLABVariable class https://www.mathworks.com/help/rptgen/ug/mlreportgen.report.matl...

2 mois ago | 0

Published


Racing bar charts
Jiro‘s Pick this week is barChartRace by Eiji Konaka.This an example of a nice outcome that spawned from a community...

2 mois ago

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Answered
How to combine all CT files to make a single array/matrix?
Look at dicomreadVolume! https://www.mathworks.com/help/images/ref/dicomreadvolume.html

2 mois ago | 0

Answered
Retrain model, Classification Learner
When you export the model, there's an option to generate a function. This function can be used to retrain the model on new data...

3 mois ago | 1

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