#17585: Implement element_ring() for free module elements
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Reporter: jdemeyer | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.5
Component: linear | Keywords:
algebra | Authors: Jeroen Demeyer
Merged in: | Report Upstream: N/A
Reviewers: | Branch:
Work issues: | Dependencies: #10513, #17578, #17561,
Commit: | #17583, #17584
Stopgaps: |
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See https://groups.google.com/forum/#!topic/sage-devel/7n5xtT9Dw2g
We add a method `element_ring` to `FreeModule` and `FreeModuleElement`
indicating the ring from which the entries `v[i]` come. Example:
{{{
sage: M = (ZZ^2) * (1/2)
sage: v = M([0,1/2])
sage: v.base_ring()
Integer Ring
sage: v.element_ring()
Rational Field
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/17585>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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