How to use the same .mat files in different activities AppDesigner

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Pedro Guincho
Pedro Guincho on 10 Jul 2020
Commented: jonas on 10 Jul 2020
Hello everyone!
I'm new to AppDesigner and I'm trying to create an app where I load a raw signal, perform pre-processing and feature extraction, save this new processed signal and then perform some statistical analysis. How can I sequently use the .mat file I need, without having to load it for every action?
Thanks!

Answers (1)

jonas
jonas on 10 Jul 2020
You could put the content of the .mat file in a public property. Go to code view > select properties > add a public property.
properties (Access = public)
data = load('filename.mat')
end
You can then access the data through
app.data
  2 Comments
jonas
jonas on 10 Jul 2020
I'm not sure I follow. What is the problem? Just ask the user for the file and put it in the public property. You want the user to be able to switch between files? Just replace the content of the public property.

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