ffsim.random

Random sampling utilities

random_antihermitian(dim, *[, seed, dtype])	Return a random anti-Hermitian matrix.
random_density_matrix(dim, *[, seed, dtype])	Returns a random density matrix distributed with Hilbert-Schmidt measure.
random_diagonal_coulomb_hamiltonian(norb, *)	Sample a random diagonal Coulomb Hamiltonian.
random_double_factorized_hamiltonian(norb, *)	Sample a random double-factorized Hamiltonian.
random_fermion_hamiltonian(norb[, n_terms, seed])	Sample a random fermion Hamiltonian.
random_fermion_operator(norb[, n_terms, ...])	Sample a random fermion operator.
random_hermitian(dim, *[, seed, dtype])	Return a random Hermitian matrix.
random_molecular_hamiltonian(norb[, seed, dtype])	Sample a random molecular Hamiltonian.
random_molecular_hamiltonian_spinless(norb)	Sample a random spinless molecular Hamiltonian.
random_orthogonal(dim[, seed, dtype])	Return a random orthogonal matrix distributed with Haar measure.
random_real_symmetric_matrix(dim, *[, rank, ...])	Return a random real symmetric matrix.
random_special_orthogonal(dim[, seed, dtype])	Return a random special orthogonal matrix distributed with Haar measure.
random_state_vector(dim, *[, seed, dtype])	Return a random state vector sampled from the uniform distribution.
random_t2_amplitudes(norb, nocc, *[, seed, ...])	Sample a random t2 amplitudes tensor.
random_two_body_tensor(dim, *[, rank, seed, ...])	Sample a random two-body tensor.
random_uccsd_op_restricted(norb, nocc, *[, ...])	Sample a random UCCSD operator.
random_uccsd_op_restricted_real(norb, nocc, *)	Sample a random real-valued UCCSD operator.
random_uccsd_op_unrestricted(norb, nelec, *)	Sample a random UCCSD operator.
random_uccsd_op_unrestricted_real(norb, nelec, *)	Sample a random real-valued UCCSD operator.
random_ucj_op_spin_balanced(norb, *[, ...])	Sample a random spin-balanced unitary cluster Jastrow (UCJ) operator.
random_ucj_op_spin_unbalanced(norb, *[, ...])	Sample a random spin-unbalanced unitary cluster Jastrow (UCJ) operator.
random_ucj_op_spinless(norb, *[, n_reps, ...])	Sample a random spinless unitary cluster Jastrow (UCJ) operator.
random_unitary(dim, *[, seed, dtype])	Return a random unitary matrix distributed with Haar measure.