#5716: lifting a subdivided matrix should preserve the subdivision, but doesn't.
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Reporter: was | Owner: was
Type: defect | Status: new
Priority: major | Milestone: sage-3.4.1
Component: linear algebra | Keywords:
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Description changed by was:
Old description:
> {{{
> sage: a = random_matrix(GF(3),4)
> sage: a.subdivide(2,2)
> sage: a
> [2 0|0 2]
> [2 1|1 0]
> [---+---]
> [1 2|1 0]
> [1 0|0 1]
> sage: a.lift()
> [2 0 0 2]
> [2 1 1 0]
> [1 2 1 0]
> [1 0 0 1]
> }}}
New description:
{{{
sage: a = random_matrix(GF(3),4)
sage: a.subdivide(2,2)
sage: a
[2 0|0 2]
[2 1|1 0]
[---+---]
[1 2|1 0]
[1 0|0 1]
sage: a.lift()
[2 0 0 2]
[2 1 1 0]
[1 2 1 0]
[1 0 0 1]
}}}
See also #5717.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5716#comment:1>
Sage <http://sagemath.org/>
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