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L1Loss

class L1Loss[source]

Bases: Loss

This class computes the L1 loss (i.e. absolute error) for each sample as:

\[\text{L1Loss}(predict, target) = \sum_{i=0}^{N_{\text{elements}}} \left| predict_i - target_i \right|.\]

Methods

evaluate(predict, target)

An abstract method for evaluating the loss function.

gradient(predict, target)

An abstract method for computing the gradient.