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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.

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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...

14 giorni ago | 0

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

15 giorni 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...

17 giorni ago | 0

| accepted

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)) ...

23 giorni 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...

23 giorni ago | 0

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...

27 giorni 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...

28 giorni 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...

28 giorni ago | 1

Answered
Is it a good idea to overload subsref to mimic MATLAB's griddedInterpolant behavior?
Personally, i.e. not speaking for my corporate overlords, I don't like this design pattern. I prefer a well-named "evaluate" me...

2 mesi ago | 1

Answered
How to fix auto-reflow issues?
In 21b you can remove autoreflow from the Canvas Tab>Convert. They named the feature to remove it after me because I was in the...

2 mesi ago | 0

| accepted

Answered
Why Matlab does not see Python?
Looks like you have 32-bit python. You need 64-bit Python.

3 mesi ago | 0

Answered
Convert python numpy 2D array to matlab 2D array
What is the underlying python class of your ndarray? It doesn't seem to be recognized by double. Here, I create it with int8 a...

3 mesi ago | 1

Answered
Using function of newer MATLAB version in older version
Sounds like you might be looking for wrapTo360 et al. in Mapping Toolbox: https://www.mathworks.com/help/releases/R2021b/map/re...

3 mesi ago | 0

Answered
Create Text Box in PowerPoint file
All you have to do is set X/Y/Width/Height properties of the TextBox presentation element. See this example that does exactly w...

3 mesi ago | 0

Answered
Call a MATLAB function from .NET program
https://www.mathworks.com/help/releases/R2021b/matlab/matlab_external/call-matlab-function-from-c-client.html

4 mesi ago | 0

Answered
Generating an STL of a paraboloid surface made out of hexagons
1) yes 2) Look at stlwrite and triangulation.

4 mesi ago | 1

Answered
surf indices reversed?
I think you're seeing the difference between meshgrid and ndgrid. Meshgrid is used for plotting, ndgrid for matrix/tensor work ...

5 mesi ago | 1

Answered
Sending input() from Python API
This works if you start the MATLAB engine with the desktop: import matlab.engine eng = matlab.engine.start_matlab('-desktop'...

5 mesi ago | 0

Answered
How can I iterate across the opposite diagonal?
full(flip(gallery('tridiag', 8, 4, 6, 4), 2))

5 mesi ago | 0

Answered
How Can I create a function as a string
function grade=mygrade(grade) arguments grade(1,1) string = input('Write the grade:';'s') end grade = lo...

5 mesi ago | 0

Answered
how to change back to the right base for answers?
Or just call format short

5 mesi ago | 0

Answered
Run Python script with numpy and pandas in Matlab
The python that MATLAB is calling apparently does not have numpy installed properly. Check your system path for the version of ...

5 mesi ago | 0

Answered
How can I solve x^4-1=0
x = 1

5 mesi ago | 0

Answered
Python Matlab engine - Cannot read simulink output
Extract the simout to a timetable, then pass the timetable back to python either via writing to disk as a CSV, or converting to ...

5 mesi ago | 0

Answered
Convert Python list Type to MATLAB double
q = py.list({1,2,3}) cq = cell(q) [cq{:}]

6 mesi ago | 0

Answered
Display image using HTML within app designer does not work
One way to do this is to explicitly base64 encode the image data. Here's an example for PNG file, you'd have to change the HTML...

6 mesi ago | 0

| accepted

Answered
Create table in a for loop with text
Confused as to why you're using excel ranges with csv input. Either way, this should be doable in one shot with readall(datasto...

6 mesi ago | 0

Answered
Integration using Cumtrapz backwards instead of forwards
Easy solution is to just flip everything L_dist =[10 9 8 7 6 5 4 3 2 1 0]; locations=[0 1 2 3 4 5 6 7 8 9 10]; shear.z = fl...

6 mesi ago | 0

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Answered
How execute a jar generated with Compiler SDK from windows prompt.
I'd strongly recommend that you create a "sample" with the Compiler SDK. Then the output will contain a getting started guide w...

6 mesi ago | 0

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