#9831: Permutation(list) should check its input (?)
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Reporter: mmezzarobba | Owner: sage-combinat
Type: defect | Status: new
Priority: major | Milestone: sage-4.6
Component: combinatorics | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by lftabera):
Yes, Permutation should check the input. Moreover, it should be better
documented.
In cycle notation:
{{{
sage: Permutation([(1,2),(3,4),(1,3)])
[3, 1, 1, 3]
}}}
which is not a permutation.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9831#comment:2>
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