Comment #4 on issue 959 by [email protected]: make sympy do vector
manipulations
http://code.google.com/p/sympy/issues/detail?id=959
Arguably.
I think we must use the typification principle.
If we used Matrix, then `exp` is defined only for square matrix, so
From these positions `exp(Matrix([1,2,3]))` must be raise
NonSquareMatrixException.
If we used array context, then we must used array type with own (defined)
methods.
But first of all, we must begin with answer the question: what is the aim
of `exp(Matrix([1,2,3]))`?
Now, if it is needed to apply some function to Matrix element-wise then
you can do it by:
A.applyfunc(exp)
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