From Tensor Equations to Numerical Code - Computer Algebra Tools for Numerical Relativity - Christiane Lechner; Dana Alic; Sascha Husa (CoRR, 2004)

Kranc: a Mathematica package to generate numerical codes for tensorial evolution equations. - Sascha Husa; Ian Hinder; Christiane Lechner (Comput. Phys. Commun., 2006)