As Peter mentioned in https://forum.ansys.com/forums/topic/how-to-find-the-location-of-the-source-of-the-plume-with-the-help-of-a-robot-using-matlab/ this isn't the place to get help with Matlab.
In Fluent we can export data in a range of formats: what data do you want in Matlab?
You are navigating away from the AIS Discovery experience