Status: Accepted
Owner: asmeurer
Labels: Type-Enhancement Priority-Medium
New issue 2497 by asmeurer: Make Tuple do sequence repetition
http://code.google.com/p/sympy/issues/detail?id=2497
In [16]: Tuple(1, 2, 3)*2
---------------------------------------------------------------------------
TypeError Traceback (most recent call last)
/Users/aaronmeurer/Documents/python/sympy/sympy/<ipython console> in
<module>()
TypeError: unsupported operand type(s) for *: 'Tuple' and 'int'
In [17]: Tuple(1, 2, 3)*S(2)
Out[17]: 2â‹…Tuple(1, 2, 3)
I would have expected both to give Tuple(1, 2, 3, 1, 2, 3), just like (1,
2, 3)*2.
It's also a little disturbing that you can create a symbolic expression
with a Tuple in it.
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