class_docstr: Class storing combined amplitude and phase callable if either or both
  of amplitude or phase are callable.
class_docstr_tok: ["Class","storing","combined","amplitude","and","phase","callable","if","either","or","both","of","amplitude","or","phase","are","callable","."]
code: def __call__(self, params, t):
      return self.func(params, t)
  
imports: from dataclasses import dataclass
  from typing import Callable, List, Union
  import numpy
  import pennylane
  from pennylane.wires import Wires
  from pennylane.operation import Operator
  from pennylane.ops.qubit.hamiltonian import Hamiltonian
  from .parametrized_hamiltonian import ParametrizedHamiltonian
label_desc: Use image node_id 2 for calling the AmplitudeAndPhase obj's underlying member method code with example usage: obj.__call__(params, t) and returns: self