File Handling

 How do I interact with the Matlab?

Matlab offers interactive, file driven, or graphical user interface. The work area is interactive. You can write Matlab programs as File.m and run or execute on the interactive area. Matlab also offers graphical interface for certain applications. For special area of computations such as system identification, filter design, or neural network design Matlab has special toolboxes.

What are the basic files involved?

Normal programs are stored as Filename.m.
Data files which usually only consists of numbers only are stored as data1.mat