
function demo(m)

for k=1:m
    H=minimo_ij(k);
    v(k)=det(H);
end

semilogy(1:m,v,'ko');

fid=fopen('risultati.txt','w');
for k=1:m
    fprintf(fid,'\n \t %3.0f %1.1e',k,v(k));
end
s=fclose(fid);
