LinearRotation
class LinearRotation(slope, offset, num_state_qubits, basis='Y', i_state=None, i_target=None)
DEPRECATED. Linearly-controlled X, Y or Z rotation.
Use Terra’s qiskit.circuit.library.LinearPauliRotations instead.
For a register of state qubits |x> and a target qubit |0> this operator acts as:
|x>|0> –> |x>( cos(slope * x + offset)|0> + sin(slope * x + offset)|1> )
Parameters
- slope (float) – slope of the controlled rotation
- offset (float) – offset of the controlled rotation
- num_state_qubits (int) – number of qubits representing the state
- basis (str) – type of Pauli rotation (‘X’, ‘Y’, ‘Z’)
- i_state (Optional(Union(list, numpy.ndarray))) – indices of the state qubits (least significant to most significant)
- i_target (Optional(int)) – index of target qubit
Raises
ValueError – invalid input
Attributes
num_target_qubits
Returns the number of target qubits
Methods
build
LinearRotation.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
LinearRotation.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
LinearRotation.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
LinearRotation.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
LinearRotation.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
LinearRotation.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
LinearRotation.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
LinearRotation.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
LinearRotation.get_num_qubits()
returns number of qubits
get_num_qubits_controlled
LinearRotation.get_num_qubits_controlled()
returns number of qubits controlled
required_ancillas
LinearRotation.required_ancillas()
returns required ancillas
required_ancillas_controlled
LinearRotation.required_ancillas_controlled()
returns required ancillas controlled