Hi,

I would suggest that you try the new mps codes, which are more flexible regarding the models. Michele Dolfi can help if you have questions

Matthias

> On 22 May 2015, at 08:33, Cathy Wu <cathy.em2013@gmail.com> wrote:
>
> Dear ALPS developers,
> I have constructed a new model of 1-D interaction fermionic system with disorder and this model works perfectly fun in spectrum function and Lanczos methods. And now I am trying to do the exact solution of time evolution, but it reports "Hamiltonian " type not recognized! use 'Spin'...(whatever exists in models.xml before).
> Does anyone know how to fix it!
> Good day!