pygsti.tools.optools.is_valid_lindblad_paramtype

is_valid_lindblad_paramtype(typ)

Whether typ is a recognized Lindblad-gate parameterization type.

A Lindblad type is comprised of a parameter specification followed optionally by an evolution-type suffix. The parameter spec can be “GLND” (general unconstrained Lindbladian), “CPTP” (cptp-constrained), or any/all of the letters “H” (Hamiltonian), “S” (Stochastic, CPTP), “s” (Stochastic), “A” (Affine), “D” (Depolarization, CPTP), “d” (Depolarization) joined with plus (+) signs. Note that “A” cannot appear without one of {“S”,”s”,”D”,”d”}. The suffix can be non-existent (density-matrix), “terms” (state-vector terms) or “clifford terms” (stabilizer-state terms). For example, valid Lindblad types are “H+S”, “H+d+A”, “CPTP clifford terms”, or “S+A terms”.

Parameters:

typ (str) – A parameterization type.

Return type:

bool