#13675: multivariate polynomials lack the inverse_mod(...) method
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Reporter: Bouillaguet | Owner: malb
Type: enhancement | Status: positive_review
Priority: minor | Milestone: sage-5.5
Component: commutative algebra | Resolution:
Keywords: inverse modulo an ideal | Work issues:
Report Upstream: N/A | Reviewers: Marco Streng
Authors: Charles Bouillaguet | Merged in:
Dependencies: #13671 | Stopgaps:
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Changes (by mstreng):
* status: needs_work => positive_review
Old description:
> TAB-completion advertises that the method exists, but it is
> !NotImplemented.
> {{{
> sage: R.<x,y> = QQ[]
> sage: f = x+y
> sage: f.inverse_mod(ideal(x,y))
> Traceback (most recent call last)
> ...
> NotImplementedError:
> }}}
>
> This should not be hard, as soon as a Groebner basis of the ideal can be
> computed.
New description:
** Merge together with #13671, circular dependency **
TAB-completion advertises that the method exists, but it is
!NotImplemented.
{{{
sage: R.<x,y> = QQ[]
sage: f = x+y
sage: f.inverse_mod(ideal(x,y))
Traceback (most recent call last)
...
NotImplementedError:
}}}
This should not be hard, as soon as a Groebner basis of the ideal can be
computed.
** Merge together with #13671, circular dependency **
--
Comment:
Looks good!
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13675#comment:14>
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