© 2000 Todd Neller.  A.I.M.A. text figures © 1995 Prentice Hall.  Used by permission.
Momentum
•When updating a weight, also add the previous update to that weight times a momentum constant m (0.0 <= m < 1.0).
•Possible to carry weights
–across plateaux in error surface
–through local minima to global minima
–through global minima to local minima (i.e. can have undesirable effects as well).