Status: Accepted
Owner: asmeurer
Labels: Type-Defect Priority-Medium NeedsReview asmeurer
New issue 2121 by asmeurer: Add t to the list of default symbols in isympy
http://code.google.com/p/sympy/issues/detail?id=2121
I somehow went the whole summer typing var('t') at the start of every
isympy session without creating this issue, but it has finally annoyed me
enough to do something about it. How do people feel about adding t to the
list of default symbols that isympy creates. Right now, it creates x, y,
and z, but t is a very common variable name (usually it means time, but it
also happens to be the symbol that Bronstein uses in his book for a
differential extension, hence my use of it this summer). How do people
feel about this? Is there a reason why it isn't already part of the
default symbols. I realize that we don't want to go making every lowercase
letter a symbol by default (or do we?), but I would argue that t is as
commonly used as x, y, or z.
Anyway, if people agree with this, I have created a Pull Request that does
it at https://github.com/sympy/sympy/pull/46.
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