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Loss.evaluate

abstract Loss.evaluate(predict, target)[sorgente]

An abstract method for evaluating the loss function. Inputs are expected in a shape of (N, *). Where N is a number of samples. Loss is computed for each sample individually.

Parametri
  • predict (ndarray) – an array of predicted values using the model.

  • target (ndarray) – an array of the true values.

Tipo di ritorno

ndarray

Ritorna

An array with values of the loss function of the shape (N, 1).

Solleva

QiskitMachineLearningError – shapes of predict and target do not match