On 11/23/11 9:19 AM, jrodri1...@gmail.com wrote:
I'm a physics guy, so programing is not at the top of the to-do list for me (yet), but I might take it on, since I've been meaning to learn python as a primer for programming in general. Also, I use sage over all the other software they have at school, and sometimes bugs in sage keep me too busy. Getting to know it's innards might help those situations out.
I think this would be a good project for a person wanting to learn more about how to do Sage development. The modifications to symbolic_expression should be easy (check for a nested list/tuple structure). Then you would need to make a new function() method, in $SAGE_ROOT/devel/sage/sage/matrix/matrix2.pyx probably, that would create a corresponding matrix over the CallableSymbolicRing. You can see an example for vectors in $SAGE_ROOT/devel/sage/sage/modules/free_module.pyx (look for "def function" in that file).
Then if you are ambitious, create a new matrix subclass for callable symbolic expressions that mirrors what $SAGE_ROOT/devel/sage/sage/modules/vector_callable_symbolic_dense.py does for vectors (i.e., changes the printing).
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