changelog

Nonlinear dynamical factor analysis Matlab package

Change History of NDFA Matlab package
-------------------------------------

This file contains a summary of all the changes since initial
released version 0.9.

ndfa-1.0.0 (2005-  -  )
-----------------------
- New approximation for the tanh nonlinearity based on Gauss-Hermite 
  quadratures which should solve most of the stability problems

- Mex files are no longer used, recent versions of Matlab should run 
  the code fast enough as it is

- Support for missing values

- Improved initialization

- Numerous code cleanups


ndfa-0.9.5 (2005-01-28)
-----------------------
  - Greatly improved call interface.