format short;
EPS=input('\n EPS=');
n=input('\n n=');
a=zeros(n);

while (n<=2)
    fprintf('\n Introduceti o matrice de ordin n>=2');
    n=input('\n n=');
    for (i=1:n)
        fprintf('\n Linia %g',i);
        a(i,:)=input('');
    end
end

while(ok==1)
    for (i=1:n)
        fprintf('\n Linia %g: ',i);
        a(i,:)=input(' ');
    end
    a
    ok=input('\n0=corect, 1=reluare citire matrice\n ');
end

aa=a;
u=zeros(n);
q=eye(n);