qiskit.aqua.components.uncertainty_problems.MultivariateProblem

__init__(uncertainty_model, aggregation_function, univariate_objective, conditions=None)

Constructor.

Parameters

• uncertainty_model (MultivariateDistribution) – multivariate uncertainty model
• aggregation_function (CircuitFactory) – aggregation function that maps the multiple dimension to an aggregated value
• univariate_objective (UnivariatePiecewiseLinearObjective) – objective function applied to the aggregated value
• conditions (Union[List[Tuple[int, CircuitFactory]], ndarray, None]) – list of pairs (int, CircuitFactory) = target dimension of uncertainty model and condition to be satisfied to apply the aggregation

build(qc, q, q_ancillas=None, params=None)

Adds corresponding sub-circuit to given circuit

Parameters

• qc (QuantumCircuit) – quantum circuit
• q (list) – list of qubits (has to be same length as self._num_qubits)
• q_ancillas (list) – list of ancilla qubits (or None if none needed)
• params (list) – parameters for circuit

build_controlled(qc, q, q_control, q_ancillas=None, use_basis_gates=True)

Adds corresponding controlled sub-circuit to given circuit

Parameters

• qc (QuantumCircuit) – quantum circuit
• q (list) – list of qubits (has to be same length as self._num_qubits)
• q_control (Qubit) – control qubit
• q_ancillas (list) – list of ancilla qubits (or None if none needed)
• use_basis_gates (bool) – use basis gates for expansion of controlled circuit

build_controlled_inverse(qc, q, q_control, q_ancillas=None, use_basis_gates=True)

Adds controlled inverse of corresponding sub-circuit to given circuit

Parameters

• qc (QuantumCircuit) – quantum circuit
• q (list) – list of qubits (has to be same length as self._num_qubits)
• q_control (Qubit) – control qubit
• q_ancillas (list) – list of ancilla qubits (or None if none needed)
• use_basis_gates (bool) – use basis gates for expansion of controlled circuit

build_controlled_inverse_power(qc, q, q_control, power, q_ancillas=None, use_basis_gates=True)

Adds controlled, inverse, power of corresponding circuit. May be overridden if a more efficient implementation is possible

build_controlled_power(qc, q, q_control, power, q_ancillas=None, use_basis_gates=True)

Adds controlled power of corresponding circuit. May be overridden if a more efficient implementation is possible

build_inverse(qc, q, q_ancillas=None)

Adds inverse of corresponding sub-circuit to given circuit

Parameters

• qc (QuantumCircuit) – quantum circuit
• q (list) – list of qubits (has to be same length as self._num_qubits)
• q_ancillas (list) – list of ancilla qubits (or None if none needed)

build_inverse_power(qc, q, power, q_ancillas=None)

Adds inverse power of corresponding circuit. May be overridden if a more efficient implementation is possible

build_power(qc, q, power, q_ancillas=None)

Adds power of corresponding circuit. May be overridden if a more efficient implementation is possible

get_num_qubits()

returns number of qubits

get_num_qubits_controlled()

returns number of qubits controlled

Returns the number of target qubits

required_ancillas()

returns required ancillas

required_ancillas_controlled()

returns required ancillas controlled

value_to_estimation(value)

value to estimate