to_physicist_ordering#
- to_physicist_ordering(two_body_tensor, *, index_order=None)[source]#
Convert a two-body tensor to physicists' index order.
Converts the rank-four tensor two-body tensor representing two-body integrals from chemists', or intermediate, index order to physicists' index order:
i,j,k,l -> i,l,j,k
- প্যারামিটার:
- রিটার্নস:
The same rank-four tensor, now in physicists' index order.
- রেইজেস:
QiskitNatureError -- when an unknown index type is encountered.
- রিটার্ন টাইপ:
ndarray | SparseArray