Community Profile

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

8 days ago | 0

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

10 days ago | 1

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

21 days ago | 1

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'...

23 days ago | 0

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

26 days ago | 0

How Can I create a function as a string

1 month ago | 0

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

1 month ago | 0

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 ...

1 month ago | 0

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

1 month ago | 0

Extract the simout to a timetable, then pass the timetable back to python either via writing to disk as a CSV, or converting to ...

1 month ago | 0

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

2 months ago | 0

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...

2 months ago | 0

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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...

2 months ago | 0

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...

2 months ago | 0

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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...

2 months ago | 0

Is the LiveScript Editor Connected to the Base Workspace?
The red pause button is any execution, not just execution from the live editor.

2 months ago | 0

Error when executing MATLAB app methods via parfeval and BackgroundWorker pool.
MainFunc should be an external function you call and not an app class method. The app can update itself with the results of the...

2 months ago | 1

| accepted

creating a PDF report using simulation results.
I'd strongly encourage you to look at the report generator task examples and specifically the tables section. https://www.mathw...

2 months ago | 0

Remove the Last Entry of Many Fields of a Structure
data.test1=1:10; data.test2=3:12; data.test3=2:11; data.test4=1:10; data.test5=2:10; data.test6=4:12; data.test7=5:13; n ...

2 months ago | 0

How to find pythagorean triangle's hypotenuse in a matrix?
This will be the most numrically stable. a = [5 8 12 3; 8 12 63 20; 9 84 144 20; 24 11 15 180]; b = [12 6 5 4; 15 35 16 21; 40...

2 months ago | 2

Use icons of different shapes for push button in AppDesigner
You could use a uiimage instead. Then set it's ImageClickedFcn instead of ButtonPushedFcn callback.

2 months ago | 0

(Need Help) nlmpc (nonlinear model predictive control) in Simulink for code generation
The command from MATLAB you'll want to use is nlmpcmoveCodeGeneration Compute nonlinear MPC control moves with code generation...

3 months ago | 0

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How to parse file name text and save values to variables
Look at various combinations of the following functions split contains matches extractBetween, extractBefore, extractAfter

3 months ago | 0

Modify attributes of inherited property
You could instead author your own class that passes through to a mechss object it stores as a private property. Then you can ca...

3 months ago | 1

With 2021b's New Python Functionality, is there a way to view an interpreter's output?
>> pyrunfile('foo.py') % saving as foo.py, changing folder, and commenting broken on_moved Modified Item C:\Documents\MATLAB\Sc...

3 months ago | 0

empty array size is stuck on 1x3

3 months ago | 0