Comment #11 on issue 2106 by [email protected]: Matrix of shape (1,1) and a number can't be added
http://code.google.com/p/sympy/issues/detail?id=2106
I'm not sure what exactly is the suggestion here, but in any case 1*1 matrices shouldn't be handled specially. Also, I don't think there's an obviously meaningful way of adding a scalar and a matrix, so the TypeError makes sense for me.
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