OpenMDAO/OpenMDAO-Framework — pull request #985 by Kenneth-T-Moore (2012-05-29 18:47:48+00:00)
Title: Derivatives2.0

1. New capability in the ChainRule differentiator to find the minimal set of input and output edges for which we need total derivatives. A separate set is determined for each level of assembly recursion.

2. New method in DependencyGraph to return the set of interior edges

3. Pylint cleanup of depgraph.py