disp('>>A1=A;')
A1=A;
pause;
disp('>>A2=[500,50,400;200,200,60;150,310,0]')
A2=[500,50,400;200,200,60;150,310,0]
pause;
disp('Paraggelies ana Etairia kai ana Yliko:')
pause;
disp('>>Aall=A1+A2;')
Aall=A1+A2   


pause;
disp('Prepei na broume to X=[x1;x2;x3]')
disp('pou eikanopoiei tin sxesi')
disp('Aall*X=ball')
disp('opou ball')
pause;
disp('>>ball=[11950;6340;8740]')
ball=[11950;6340;8740]
pause;
disp('Ara X=Aall^(-1)*ball')
pause;
disp('>>X=inv(Aall)*ball')
X=inv(Aall)*ball


