William Stein wrote: > On Wed, Jun 3, 2009 at 11:45 AM, Robert Bradshaw > <rober...@math.washington.edu> wrote: >> Currently symbolic variables are un-indexable. What would people >> think of having indexing create new subscripted variables? >> >> sage: a = var('a') >> sage: a[0] >> a_0 >> sage: latex(a[1,2]) >> a_{1,2} > > That's a pretty wild and crazy idea. Cool. Does any other math > software do that? > Are there any obvious gotcha's?
So as far as printing, a[0] would look the same as a0 would look the same as a_0? Would a[0] actually be the variable a_0 or a0? Do we ever want to make symbolic expressions indexable? If so, it would be confusing to have: (x+1)[0] have totally different behavior than (x)[0]. Jason P.S. It seems like Maple did something like this---Maple experts can comment on it, though. -- Jason Grout --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---