
function demo(m)

for i=1:m
    H=hilbert(i);
    v(i)=cond(H);
end

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

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



