TeNPy Forum

Ah yes, this makes lots of sense. Thanks so much for the response Johannes!

Caveat: probably I'm misunderstanding exactly how GroupedSite is working. I'd like to evaluate something like psi.expectation_value('Sx') for a MPS 'psi' which has each k adjacent sites grouped using GroupedSite. I think one way would be to add the desired kind of operator to the GroupedSite class? ...