breeze.optimize

AdaptiveGradientDescent

object AdaptiveGradientDescent

Implements the L2^2 and L1 updates from Duchi et al 2010 Adaptive Subgradient Methods for Online Learning and Stochastic Optimization.

Basically, we use "forward regularization" and an adaptive step size based on the previous gradients.

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  1. class L1Regularization[T] extends StochasticGradientDescent[T]

    Implements the L1 regularization update.

  2. class L2Regularization[T] extends StochasticGradientDescent[T]

    Implements the L2 regularization update.

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