quara.objects.povm_typical module¶
- generate_povm_from_name(povm_name, c_sys)[source]¶
returns Povm class.
- Parameters
povm_name (str) – name of povm.
c_sys (CompositeSystem) – CompositeSystem of povm.
- Returns
Povm class.
- Return type
- Raises
ValueError – povm_name is invalid.
- generate_povm_matrices_from_name(povm_name)[source]¶
returns list of elements of POVM(matrices).
- Parameters
povm_name (str) – name of povm.
- Returns
list of elements of POVM(matrices).
- Return type
List[np.ndarray]
- Raises
ValueError – povm_name is invalid.
- generate_povm_object_from_povm_name_object_name(povm_name, object_name, c_sys=None, basis=None)[source]¶
Return a povm-related object.
- Parameters
povm_name (str) – Valid gate_name. It is given by
get_povm_names()object_name (str) – Valid object_name. It is given by
get_povm_object_names()c_sys (CompositeSystem, optional) – To be given for object_name = ‘povm’, by default None.
basis (MatrixBasis, optional) – To be given for object_name = ‘vectors’, by default None.
- Returns
- List[np.ndarray]pure state vectors related elements of POVM for object_name = ‘pure_state_vectors’Complex vectorslist of elements of POVM(matrices) for object_name = ‘matrices’Complex matricesvectors on Hermitian basis for object_name = ‘vectors’Real vectorsPovmPovm class for object_name = ‘povm’
- Return type
Union[List[np.ndarray], Povm]
- Raises
ValueError – [description]
- generate_povm_pure_state_vectors_from_name(povm_name)[source]¶
returns pure state vectors.
- Parameters
povm_name (str) – name of povm.
- Returns
pure state vectors.
- Return type
List[np.ndarray]
- Raises
ValueError – povm_name is invalid.
- generate_povm_vectors_from_name(povm_name, basis)[source]¶
returns vectors on Hermitian basis.
- Parameters
povm_name (str) – name of povm.
basis (MatrixBasis) – Hermitian basis of povm.
- Returns
vectors on Hermitian basis.
- Return type
List[np.ndarray]
- Raises
ValueError – povm_name is invalid.
ValueError – basis is not Hermitian.
- get_povm_names()[source]¶
Return the list of valid povm names.
- Returns
the list of valid povm names.
- Return type
List[str]
- get_povm_names_1qubit()[source]¶
Return the list of valid povm names on 1-qubit system.
- Returns
the list of valid povm names on 1-qubit system.
- Return type
List[str]
- get_povm_names_1qutrit()[source]¶
Return the list of valid povm names on 1-qutrit system.
- Returns
the list of valid povm names on 1-qutrit system.
- Return type
List[str]
- get_povm_names_2qubit()[source]¶
Return the list of valid povm names on 2-qubit system.
- Returns
the list of valid povm names on 2-qubit system.
- Return type
List[str]
- get_povm_names_2qutrit()[source]¶
Return the list of valid povm names on 2-qutrit system.
- Returns
the list of valid povm names on 2-qutrit system.
- Return type
List[str]
- get_povm_names_3qubit()[source]¶
Return the list of valid povm names on 3-qubit system.
- Returns
the list of valid povm names on 3-qubit system.
- Return type
List[str]
- get_povm_names_not_rank1()[source]¶
Return the list of valid povm names of not rank 1.
- Returns
the list of valid povm names of not rank 1.
- Return type
List[str]