qiskit.aqua.components.neural_networks.DiscriminativeNetwork.loss

abstract DiscriminativeNetwork.loss(x, y, weights=None)

Loss function used for optimization

Parameters

• x (Iterable) – output.

• y (Iterable) – the data point

• weights (Optional[ndarray]) – Data weights.

Returns

Loss w.r.t to the generated data points.

Raises

NotImplementedError – not implemented