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qiskit.providers.ibmq.RunnerResult.data

RunnerResult.data(experiment=None)

Get the raw data for an experiment.

Note this data will be a single classical and quantum register and in a format required by the results schema. We recommend that most users use the get_xxx method, and the data will be post-processed for the data type.

매개변수

experiment (str or QuantumCircuit or Schedule or int or None) – the index of the experiment. Several types are accepted for convenience:: * str: the name of the experiment. * QuantumCircuit: the name of the circuit instance will be used. * Schedule: the name of the schedule instance will be used. * int: the position of the experiment. * None: if there is only one experiment, returns it.

반환

A dictionary of results data for an experiment. The data depends on the backend it ran on and the settings of meas_level, meas_return and memory.

QASM backends return a dictionary of dictionary with the key 〈counts〉 and with the counts, with the second dictionary keys containing a string in hex format (0x123) and values equal to the number of times this outcome was measured.

Statevector backends return a dictionary with key 〈statevector〉 and values being a list[list[complex components]] list of 2^num_qubits complex amplitudes. Where each complex number is represented as a 2 entry list for each component. For example, a list of [0.5+1j, 0-1j] would be represented as [[0.5, 1], [0, -1]].

Unitary backends return a dictionary with key 〈unitary〉 and values being a list[list[list[complex components]]] list of 2^num_qubits x 2^num_qubits complex amplitudes in a two entry list for each component. For example if the amplitude is [[0.5+0j, 0-1j], …] the value returned will be [[[0.5, 0], [0, -1]], …].

The simulator backends also have an optional key 〈snapshots〉 which returns a dict of snapshots specified by the simulator backend. The value is of the form dict[slot: dict[str: array]] where the keys are the requested snapshot slots, and the values are a dictionary of the snapshots.

반환 형식

dict

예외 발생

QiskitError – if data for the experiment could not be retrieved.