OpenMDAO/OpenMDAO-Framework — pull request #1015 by Kenneth-T-Moore (2012-06-21 20:29:49+00:00)
Title: Derivatives2.0

1. New object that can take any arbitrary subsection of a model and perform a finite difference on it.

2. Added __set_state_ and __get_state__ methods to the ExecComp and Case Filter objects in an attempt to make them pickle-able.

3. Added a skip_baseline variable to the FiniteDifferenceGenerator to allow one to skip running the baseline case in a Forward or Backward difference.