def _mesolve_func_td(L_func, c_op_list, rho0, tlist, args, opt):
"""
Evolve the density matrix using an ODE solver with time dependent
Hamiltonian.
"""
if type(c_op_list) is list:
c_ops = []
for op in c_op_list:
op_td = QobjEvo(op, args, tlist=tlist, copy=False)
if not issuper(op_td.cte):
c_ops += [lindblad_dissipator(op_td)]
else:
c_ops += [op_td]
if c_op_list:
c_ops_ = [sum(c_ops)]
else:
c_ops_ = []
elif callable(c_op_list):
c_ops_ = c_op_list
if opt.rhs_with_state:
state0 = rho0.full().ravel("F")
obj = L_func(0., state0, args)
if not issuper(obj):
L_func = _LiouvillianFromFunc(L_func, c_ops_).H2L_with_state
else:
L_func = _LiouvillianFromFunc(L_func, c_ops_).L_with_state
else:
obj = L_func(0., args)
if callable(c_ops_):
if not issuper(obj):
L_func = _LiouvillianFromFunc(L_func, c_ops_).H2L_c
else:
L_func = _LiouvillianFromFunc(L_func, c_ops_).L_c
else:
if not issuper(obj):
L_func = _LiouvillianFromFunc(L_func, c_ops_).H2L
else:
L_func = _LiouvillianFromFunc(L_func, c_ops_).L
ss = SolverSystem()
ss.L = L_func
ss.makefunc = _Lfunc_set
solver_safe["mesolve"] = ss
return ss
def _mesolve_func_td(L_func, c_op_list, rho0, tlist, args, opt):
"""
Evolve the density matrix using an ODE solver with time dependent
Hamiltonian.
"""
c_ops = []
for op in c_op_list:
td = QobjEvo(op, args, tlist=tlist, copy=False)
c_ops.append(td if td.cte.issuper else lindblad_dissipator(td))
c_ops_ = [sum(c_ops)] if c_op_list else []
L_api = _LiouvillianFromFunc(L_func, c_ops_, rho0.dims)
if opt.rhs_with_state:
obj = L_func(0., rho0.full().ravel("F"), args)
L_func = L_api.L_with_state if issuper(obj) else L_api.H2L_with_state
else:
obj = L_func(0., args)
L_func = L_api.L if issuper(obj) else L_api.H2L
ss = SolverSystem()
ss.L = L_func
ss.makefunc = _Lfunc_set
solver_safe["mesolve"] = ss
return ss