Look at the sparsediag or fulldiag code. You can print the basis and the matrix elements, but be warned that this can be a HUGE matrix. Why do you want to print it? Matthias On Dec 27, 2008, at 12:22 AM, khalid hassan wrote:

Dear all

I am using the alps for a fermionic hubbard system. It gives the energies. I want the matrix elements of hamiltonian matrix. how can I have the hamiltonian matrix and basis states.

Best Regards Khalid Loane