#14780: allow embedding python tuples in SR
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Reporter: burcin | Owner: burcin
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-6.2
Component: symbolics | Resolution:
Keywords: sd48 | Merged in:
Authors: Burcin Erocal | Reviewers: Volker Braun
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/vbraun/python_tuples_in_SR | 0d07667b860634f438007d427353e2833c7ec9af
Dependencies: | Stopgaps:
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Description changed by vbraun:
Old description:
> Attached patch allows embedding Python tuples in symbolic expressions:
>
> {{{
> sage: t = SR._force_tuple((1, 2, x, x+1, x+2))
> sage: t
> (1, 2, x, x + 1, x + 2)
> sage: t.subs(x = 2*x^2)
> (1, 2, 2*x^2, 2*x^2 + 1, 2*x^2 + 2)
> sage: t.op[0]
> 1
> sage: t.op[2]
> x
> }}}
>
> Apply: [attachment:trac_14780-embed_tuples_in_SR.patch]
New description:
Attached patch allows embedding Python tuples in symbolic expressions:
{{{
sage: t = SR._force_tuple((1, 2, x, x+1, x+2))
sage: t
(1, 2, x, x + 1, x + 2)
sage: t.subs(x = 2*x^2)
(1, 2, 2*x^2, 2*x^2 + 1, 2*x^2 + 2)
sage: t.op[0]
1
sage: t.op[2]
x
}}}
Updated tarball http://boxen.math.washington.edu/home/vbraun/upstream
/pynac-4c798d4cb4b5.tar.bz2
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Ticket URL: <http://trac.sagemath.org/ticket/14780#comment:36>
Sage <http://www.sagemath.org>
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