sympy/sympy — pull request #1609 by mrocklin (2012-10-25 15:14:33+00:00)
Title: Adjoint

Creates an Adjoint operation for MatrixExprs. Note that this almost conflicts with an `adjoint` class in sympy/functions/elementary/complexes.py.

This PR is on top of https://github.com/sympy/sympy/pull/1598