
function demo_qpd

for k=1:10
    A=gallery('poisson',k);
    flag = test_quasi_predominanza_diagonale (A);
    num_righe(k)=size(A,1);
    fprintf('\n \t k: %3.0f  num_righe: %3.0f',k,num_righe(k));
end

fprintf('\n');
