- Add a button to the App Designer Workspace
- Add a button pushed function call back to the added button.
- You can add the ‘uigetfile’ in the call back, collect the inputs from UI and pass the same to the fuzzy inference system ‘fis’ using ‘evalfis’ as suggested below
- https://www.mathworks.com/help/matlab/creating_guis/write-callbacks-for-gui-in-app-designer.html
- https://www.mathworks.com/help/fuzzy/evalfis.html