Subset.rank_lexicographic() : rank_lexicographic() is a sympy Python library function that returns the lexicographic ranking of the subset.
Syntax :
sympy.combinatorics.subset.Subset.rank_lexicographic()
Return :
the lexicographic ranking of the subset.
Code #1 : rank_lexicographic() Example
from sympy.combinatorics import Permutation, Cycle
from sympy.combinatorics.subsets import Subset
a = Subset(['c', 'd'], ['geek', 'for', 'c', 'd'])
print ("Subset a rank_lexicographic : ", a.rank_lexicographic)
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Output :
Subset a rank_lexicographic : 14
Code #2 : rank_lexicographic() Example
from sympy.combinatorics import Permutation, Cycle
from sympy.combinatorics.subsets import Subset
a = Subset([2, 3, 4], [1, 2, 3, 4, 5])
print ("Subset a rank_lexicographic : ", a.rank_lexicographic)
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Output :
Subset a rank_lexicographic : 19
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Last Updated :
28 Aug, 2019
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