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When I traced my reference MATLAB script, I found files with the .mat extension. My questions are:
.mat and .m files?.mat extension?
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What is the basic difference between M-files and MAT-files? Explanation: M-files are ASCII text files which are used to simplify our program editing in MATLAB, they are basic text files. MAT files are Binary files created by MATLAB. When we need to save any data from the workspace, it is saved in MATLAB as a MAT file.
MAT-files are binary MATLAB® files that store workspace variables. Starting with MAT-file Version 4, there are several subsequent versions of MAT-files that support an increasing set of features. MATLAB releases R2006b and later all support all MAT-file versions.
M = mean( A ) returns the mean of the elements of A along the first array dimension whose size does not equal 1. If A is a vector, then mean(A) returns the mean of the elements. If A is a matrix, then mean(A) returns a row vector containing the mean of each column.
A file with the MAT file extension is most likely a Microsoft Access Table Shortcut file that's used to quickly open a table without having to first open the MS Access program. The MathWorks MATLAB program uses MAT files, too, but as a container for holding data like functions and variables.
Files with a .m extension contain MATLAB code, either in the form of a script or a function.
Files with a .mat extension contain MATLAB formatted data, and data can be loaded from or written to these files using the functions load and save, respectively. You can also access and change variables directly in MAT-files without loading them into memory using the function matfile.
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