scipy/scipy — pull request #2654 by endolith (2013-07-24 04:22:15+00:00)
Title: BUG: Docstring claims to accept array_like, but does not

Tries to call T.shape

"AttributeError: 'list' object has no attribute 'shape'" etc.

Maybe should use `zeros_like` or `ones_like`, like impulse2? Or maybe impulse2 should use `U = zeros(shape(T), sys.A.dtype)`?