multiplet_analysis()
Solver
green_high_frequency_moments()
sigma_high_frequency_moments()
tail_fit()
block_size_from_gf_struct()
estimate_nfft_buf_size()
orbital_occupations()
Solver.solve_parameters
Solver.constr_parameters
\(G_0^{-1}(i\omega_n = \infty)\) in Matsubara Frequency.