2019

Exponentiated Gradient Meets Gradient Descent

Ghai, Udaya, Hazan, Elad, Singer, Yoram

Understand

The (stochastic) gradient descent and the multiplicative update method are probably the most popular algorithms in machine learning.

  • We introduce and study a new regularization which provides a unification of the additive and multiplicative updates.
  • This regularization is derived from an hyperbolic analogue of the entropy function, which we call hypentropy.
  • It is motivated by a natural extension of the multiplicative update to negative numbers.

Reading the bibliography…