Fermion

Functions for the study of fermionic systems.

bitstring_matrix_to_ci_strs	Convert bitstrings (rows) in a bitstring_matrix into integer representations of determinants.
enlarge_batch_from_transitions	Apply the set of transition operators to the configurations represented in bitstring_matrix.
flip_orbital_occupancies	Flip an orbital occupancy array to match the indexing of a bitstring.
solve_fermion	Approximate the ground state given molecular integrals and a set of electronic configurations.
optimize_orbitals	Optimize orbitals to produce a minimal ground state.
rotate_integrals	Perform a similarity transform on the integrals.
bitstring_matrix_to_sorted_addresses	Convert a bitstring matrix into a sorted array of unique, unsigned integers.