modules.applications.qml.metrics_quantum.MetricsQuantum

class MetricsQuantum

Bases: object

A class to compute quantum metrics for quantum circuits.

__init__() → None

Methods

__init__()
entanglement_meyer_wallach(circuit, params)	Method to determine the Meyer-Wallach entanglement.
expressibility_jensen_shannon(circuit, params)	Method to determine the Jensen–Shannon Divergence metric.
get_metrics(circuit, params)	Method that determines all classification metrics.

entanglement_meyer_wallach(circuit: QuantumCircuit, params: list, samples=100) → float

Method to determine the Meyer-Wallach entanglement.

Parameters:

• circuit -- Quantum circuit

• params -- Circuit parameters

• samples -- Samples used to obtain metric

Returns:

Entanglement

expressibility_jensen_shannon(circuit: QuantumCircuit, params: list) → float

Method to determine the Jensen–Shannon Divergence metric.

Parameters:

• circuit -- Quantum circuit

• params -- Circuit parameters

Returns:

Expressibility

get_metrics(circuit: QuantumCircuit, params: list) → Dict[str, float]

Method that determines all classification metrics.

Parameters:

• circuit -- Quantum circuit

• params -- Circuit parameters

Returns:

Dictionary with quantum metrics