#7414: improve {from,to}_inversion_vector
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Reporter: ylchapuy | Owner: mhansen
Type: defect | Status:
needs_work
Priority: major | Milestone:
sage-combinat
Component: combinatorics | Keywords:
permutations, inversion vector, lehmer code
Work_issues: Large speed regression for small entries | Author: Yann
Laigle-Chapuy
Reviewer: Florent Hivert | Merged:
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Comment(by hivert):
And finally, it would be perfect if you add a note on the complexity of
the algorithm.
Cheers,
Florent
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7414#comment:3>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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