qiskit.aqua.components.eigs.EigsQPE.construct_circuit¶
-
EigsQPE.construct_circuit(mode, register=None)[source]¶ Construct the eigenvalues estimation using the PhaseEstimationCircuit
- Parameters
mode (str) – construction mode, ‘matrix’ not supported
register (QuantumRegister) – the register to use for the quantum state
- Returns
object for the constructed circuit
- Return type
- Raises
ValueError – QPE is only possible as a circuit not as a matrix