qiskit.aqua.components.uncertainty_problems.UnivariateProblem¶

class UnivariateProblem(uncertainty_model, univariate_objective, i_state=None, i_objective=None)[source]¶

Univariate uncertainty problem.

Constructor.

Parameters

uncertainty_model (UnivariateDistribution) – univariate uncertainty model to
univariate_objective (UnivariatePiecewiseLinearObjective) – objective function based on uncertainty
i_state (Optional[List[int]]) – indices of qubits representing uncertainty
i_objective (Optional[int]) – index of qubit representing the objective value in the amplitude

__init__(uncertainty_model, univariate_objective, i_state=None, i_objective=None)[source]¶

Constructor.

Parameters

uncertainty_model (UnivariateDistribution) – univariate uncertainty model to
univariate_objective (UnivariatePiecewiseLinearObjective) – objective function based on uncertainty
i_state (Optional[List[int]]) – indices of qubits representing uncertainty
i_objective (Optional[int]) – index of qubit representing the objective value in the amplitude

Methods

`__init__`(uncertainty_model, univariate_objective)	Constructor.
`build`(qc, q[, q_ancillas, params])	Adds corresponding sub-circuit to given circuit
`build_controlled`(qc, q, q_control[, …])	Adds corresponding controlled sub-circuit to given circuit
`build_controlled_inverse`(qc, q, q_control[, …])	Adds controlled inverse of corresponding sub-circuit to given circuit
`build_controlled_inverse_power`(qc, q, …[, …])	Adds controlled, inverse, power of corresponding circuit.
`build_controlled_power`(qc, q, q_control, power)	Adds controlled power of corresponding circuit.
`build_inverse`(qc, q[, q_ancillas])	Adds inverse of corresponding sub-circuit to given circuit
`build_inverse_power`(qc, q, power[, q_ancillas])	Adds inverse power of corresponding circuit.
`build_power`(qc, q, power[, q_ancillas])	Adds power of corresponding circuit.
`get_num_qubits`()	returns number of qubits
`get_num_qubits_controlled`()	returns number of qubits controlled
`required_ancillas`()	returns required ancillas
`required_ancillas_controlled`()	returns required ancillas controlled
`value_to_estimation`(value)	value to estimate

Attributes

Returns the number of target qubits

build(qc, q, q_ancillas=None, params=None)[source]¶

Adds corresponding sub-circuit to given circuit

Parameters

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

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