#14558: apply_map on sparse vectors returns vectors of smaller degree
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Reporter: tfeulner | Owner: AlexGhitza
Type: defect | Status: new
Priority: major | Milestone: sage-5.10
Component: algebra | Keywords: apply_map, sparse vector
Work issues: | Report Upstream: N/A
Reviewers: | Authors: Thomas Feulner
Merged in: | Dependencies:
Stopgaps: |
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Calling `apply_map` on a sparse vector with zeros at the last positions
returns a vector of wrong degree.
{{{
sage: F.<a> = GF(9)
sage: v = vector([a, 0,0,0], sparse=True)
sage: f = F.hom([a**3])
sage: v.apply_map(f)
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14558>
Sage <http://www.sagemath.org>
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