%% binary files: *.mat; matlab.mat - system file
clear
A=2*ones(3); B=eye(4); C=randi(6,2,4);
F=blkdiag(A,B,C);
save Lecture2 F A C % compare with: save Lecture2 F A, C
clear
load Lecture2 F     %  compare with: load Lecture2 
%% *.txt any text files, f.e. *.dat % p.23 inp - attention!
load 'inp.txt' %  load inp.txt - other syntax, matrix-inp
inp
inp(:)
%% xlsread ~ readtable(youself) explaination - p.25