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Cycles of a permutation: Difference between revisions

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Cycles of a permutation (view source)

Revision as of 10:59, 23 April 2022

265 bytes removed ,  2 years ago
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""" Create a permuted string from another string using a Perm """
permutestring(s::AbstractString, p::Perm) = String([s[i] for i in p.a])
 
""" Given an iterable of equal length and a Perm, return a permuted vector of the iterable's elements """
function permuted(iterable, p1::Perm)
p2 = Perm(iterable)
inttoitem = Dict(enumerate(iterable))
return [inttoitem(i) for i in (p1 * p2).data]
end
 
function testAlfBettyPerms()
Wherrera
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