Class RmsPropOptimizer

java.lang.Object
deepnetts.net.train.opt.RmsPropOptimizer
All Implemented Interfaces:
Optimizer, Serializable

public final class RmsPropOptimizer extends Object implements Optimizer, Serializable
A variation of AdaDelta optimizer.
See Also:
  • Constructor Details

    • RmsPropOptimizer

      public RmsPropOptimizer(AbstractLayer layer)
  • Method Details

    • calculateDeltaWeight

      public float calculateDeltaWeight(float grad, int... idxs)
      Description copied from interface: Optimizer
      Smoothing term to prevent division by zero if sqr grad sum becomes zero 1e-8 should be also tried https://d2l.ai/chapter_optimization/adagrad.html 1e-6 The value to use is 1e-6, 1e-8, Keras uses 1e-7 for adam
      Specified by:
      calculateDeltaWeight in interface Optimizer
    • calculateDeltaBias

      public float calculateDeltaBias(float grad, int idx)
      Specified by:
      calculateDeltaBias in interface Optimizer
    • setLearningRate

      public void setLearningRate(float learningRate)
      Specified by:
      setLearningRate in interface Optimizer
    • calculateDeltaWeight

      public TensorBase calculateDeltaWeight(TensorBase grad)
      Specified by:
      calculateDeltaWeight in interface Optimizer
    • calculateDeltaBias

      public Tensor1D calculateDeltaBias(Tensor1D grad)
      Specified by:
      calculateDeltaBias in interface Optimizer