API reference¶
- ffsim
BitstringTypeDiagonalCoulombHamiltonianDoubleFactorizedHamiltonianFermionActionFermionOperatorGivensAnsatzOpHopGateAnsatzOperatorMolecularDataMolecularHamiltonianNumNumAnsatzOpSpinBalancedProductStateSumSingleFactorizedHamiltonianSpinStateVectorSupportsApplyUnitarySupportsApproximateEqualitySupportsDiagonalSupportsFermionOperatorSupportsLinearOperatorSupportsTraceUCCSDOpRestrictedRealUCJOpSpinBalancedUCJOpSpinUnbalancedUCJOpSpinlessaddresses_to_strings()apply_diag_coulomb_evolution()apply_fsim_gate()apply_fswap_gate()apply_givens_rotation()apply_hop_gate()apply_num_interaction()apply_num_num_interaction()apply_num_op_prod_interaction()apply_num_op_sum_evolution()apply_on_site_interaction()apply_orbital_rotation()apply_tunneling_interaction()apply_unitary()approx_eq()cre()cre_a()cre_b()des()des_a()des_b()diag()dim()dims()expectation_one_body_power()expectation_one_body_product()fermi_hubbard_1d()fermi_hubbard_2d()fermion_operator()hartree_fock_state()init_cache()linear_operator()multireference_state()multireference_state_prod()number_operator()rdms()sample_slater_determinant()sample_state_vector()simulate_qdrift_double_factorized()simulate_trotter_diag_coulomb_split_op()simulate_trotter_double_factorized()slater_determinant()slater_determinant_amplitudes()slater_determinant_rdms()spin_square()strings_to_addresses()trace()
- ffsim.contract
- ffsim.linalg
GivensRotationapply_matrix_to_slices()double_factorized()double_factorized_t2()double_factorized_t2_alpha_beta()expm_multiply_taylor()givens_decomposition()is_antihermitian()is_hermitian()is_orthogonal()is_real_symmetric()is_special_orthogonal()is_unitary()lup()match_global_phase()modified_cholesky()one_hot()reduced_matrix()
- ffsim.optimize
- ffsim.qiskit
DiagCoulombEvolutionJWDiagCoulombEvolutionSpinlessJWDropNegligibleFfsimSamplerGivensAnsatzOpJWGivensAnsatzOpSpinlessJWMergeOrbitalRotationsNumNumAnsatzOpSpinBalancedJWNumOpSumEvolutionJWNumOpSumEvolutionSpinlessJWOrbitalRotationJWOrbitalRotationSpinlessJWPRE_INITPrepareHartreeFockJWPrepareHartreeFockSpinlessJWPrepareSlaterDeterminantJWPrepareSlaterDeterminantSpinlessJWSimulateTrotterDiagCoulombSplitOpJWSimulateTrotterDoubleFactorizedJWUCJOpSpinBalancedJWUCJOpSpinUnbalancedJWUCJOpSpinlessJWffsim_vec_to_qiskit_vec()final_state_vector()jordan_wigner()pre_init_passes()qiskit_vec_to_ffsim_vec()
- ffsim.random
random_antihermitian()random_density_matrix()random_diagonal_coulomb_hamiltonian()random_double_factorized_hamiltonian()random_fermion_hamiltonian()random_fermion_operator()random_hermitian()random_molecular_hamiltonian()random_orthogonal()random_real_symmetric_matrix()random_special_orthogonal()random_state_vector()random_t2_amplitudes()random_two_body_tensor()random_uccsd_restricted()random_ucj_op_spin_balanced()random_ucj_op_spin_unbalanced()random_ucj_op_spinless()random_unitary()
- ffsim.testing