#5683: Inverse operation for matrices over non integral domain
----------------------------+-----------------------------------------------
Reporter: klee | Owner: somebody
Type: enhancement | Status: new
Priority: minor | Milestone: sage-3.4.1
Component: linear algebra | Keywords: inverse
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We get this:
{{{
sage: R=IntegerModRing(8)
sage: m=matrix(R,2,[2,1,3,3]);
sage: m.inverse()
Traceback (most recent call last):
...
TypeError: self must be an integral domain.
}}}
The inverse operation for matrices over non integral domain, in particular
for over integer mod rings, is a missing feature. Somebody should
*definitely* implement this. A
first reasonable thing would be "lift to ZZ, invert, reduce".
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5683>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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