Thanks for the replies.
I noticed something funny: if you call x = var("X") in some scope, it
is X that is injected into the global scope, not x. In fact I thought
that the argument was merely a print name.
On Jun 17, 1:49 am, Dan Drake <dr...@kaist.edu> wrote:
> I ran into the problem discussed in this thread just the other day, and
> my solution was to use sage.symbolic.ring. How does this solution
> compare to the others posted in this thread? Here's (basically) what I
> did:
>
> from sage.symbolic.ring import var as symbvar
>
> def foo(n, k):
> t = symbvar('t')
> return exp(t^k).series(t, n+1).coefficient(t, n)*factorial(n)
>
> Comments?
>
> Dan
>
> --
> --- Dan Drake <dr...@kaist.edu>
> ----- KAIST Department of Mathematical Sciences
> ------- http://mathsci.kaist.ac.kr/~drake
>
> signature.asc
> < 1KViewDownload
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