Lexicographic order number
This function returns the position-number that a permutation would receive in a lexicographic ordering. It is used in the lexicographic distance measure.
lexicographicPermutationOrderNumber(x)
x |
permutation (integer vector) |
numeric value giving position in lexicographic order.
lexicographicPermutationOrderNumber(1:5) lexicographicPermutationOrderNumber(c(1,2,3,5,4)) lexicographicPermutationOrderNumber(c(1,2,4,3,5)) lexicographicPermutationOrderNumber(c(1,2,4,5,3)) lexicographicPermutationOrderNumber(c(1,2,5,3,4)) lexicographicPermutationOrderNumber(c(1,2,5,4,3)) lexicographicPermutationOrderNumber(c(1,3,2,4,5)) lexicographicPermutationOrderNumber(5:1) lexicographicPermutationOrderNumber(1:7) lexicographicPermutationOrderNumber(7:1)
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