Comment #7 on issue 2020 by chr.schu...@gmx.de: Symbols & Matrices
http://code.google.com/p/sympy/issues/detail?id=2020
I like the idea of adapting the Indexed class. Is there any description
available what Indexed should be used for? Is the interaction with Matrix
and Symbol a part of it?
To make it work properly, one might have to add the shape attribute
eventually, since things like
A = Indexed('A', shape=(2,3))
B = Indexed('B', shape=(2,3))
s = (A+B).shape
should work which requires Add to return a shape. Is there a better
alternative?
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