#7007: variables() method for polynomial rings returns the constant as well as
the
variable.
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Reporter: jason | Owner: tbd
Type: defect | Status: new
Priority: major | Milestone: sage-4.1.2
Component: algebra | Keywords:
Reviewer: | Author:
Merged: |
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Description changed by jason:
Old description:
> {{{
> [20:22] <jason-> here's something funny:
> [20:22] <jason-> sage: QQ['t'].gen()
> [20:22] <jason-> t
> [20:22] <jason-> sage: RR['t'].gen()
> [20:22] <jason-> 1.00000000000000*t
> [20:23] <jason-> what's the extra 1.0000000 in there for?
> [20:24] <jason-> that means that I get a very funny variables() function:
> [20:24] <jason-> sage: R.<t>=RR[]
> [20:24] <jason-> sage: (t^2).variables()
> [20:24] <jason-> (1.00000000000000*t,)
> }}}
New description:
{{{
[20:22] <jason-> here's something funny:
[20:22] <jason-> sage: QQ['t'].gen()
[20:22] <jason-> t
[20:22] <jason-> sage: RR['t'].gen()
[20:22] <jason-> 1.00000000000000*t
[20:24] <jason-> that means that I get a very funny variables() function:
[20:24] <jason-> sage: R.<t>=RR[]
[20:24] <jason-> sage: (t^2).variables()
[20:24] <jason-> (1.00000000000000*t,)
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7007#comment:3>
Sage <http://sagemath.org/>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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