qiskit_addon_sqd.fermion.enlarge_batch_from_transitions

enlarge_batch_from_transitions(bitstring_matrix, transition_operators)

Apply the set of transition operators to the configurations represented in bitstring_matrix.

Parameters:

• bitstring_matrix (ndarray) – A 2D array of bool representations of bit values such that each row represents a single bitstring.

• transition_operators (ndarray) – A 1D or 2D array I, +, -, and n strings representing the action of the identity, creation, annihilation, or number operators. Each row represents a transition operator.

Returns:

Bitstring matrix representing the augmented set of electronic configurations after applying the excitation operators.

Return type:

ndarray