sympy/sympy — pull request #819 by Gentoolx (2011-12-05 17:47:16+00:00)
Title: [GCI 2011] Corrected string giving method of Matrix class.

For matrices with shapes (0, n) or (n, 0) I use "Matrix(0, n)" and "Matrix(n, 0)", respectively. I think this is more consistent than using "Matrix([[], [], [] ... ])" for one case and "Matrix(0, n)" for the other.