with Standard Notation
from Andrew Hale
Scripts which access matrix row/columns directly and scripts that create new matrices with elements defined will need updating.
For more info see...
* Guide for updating scripts
http://wiki.blender.org/index.php/User:TrumanBlending/Matrix_Indexing
* Discussion thread
http://markmail.org/message/4bpqpxkcvq4wjyfu