#14772: Remove CombinatorialClass from Permutations
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Reporter: tscrim | Owner: sage-combinat
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-5.11
Component: combinatorics | Resolution:
Keywords: days49 | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Travis Scrimshaw | Merged in:
Dependencies: #8386 #14519 #14808 | Stopgaps:
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Comment (by tscrim):
{{{
#!diff
@@ -1542,10 +1561,10 @@ class Permutation_class(CombinatorialObj
def number_of_inversions(self):
r"""
- Returns the number of inversions in the permutation p.
-
- An inversion of a permutation is a pair of elements (p[i],p[j])
- with i < j and p[i] > p[j].
+ Return the number of inversions in ``self``.
+
+ An inversion of a permutation is a pair of elements `(p_i,p_j)`
+ with `i < j` and `p_i > p_j`.
REFERENCES:
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14772#comment:14>
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