pg_utils.pg_model.expand_daria_malkus.subscript_str

pg_utils.pg_model.expand_daria_malkus.subscript_str = ['\\Psi', 'ss', '\\phi\\phi', 's\\phi', 'sz', '\\phi z', 'zss', 'z\\phi\\phi', 'zs\\phi', 'es', 'e\\phi', 'ez', 'es,z', 'e\\phi,z']

Fourier expansion