PerMallows (version 1.8)

inverse.permutation: Generate inverse permutation

Description

This function generates the inverse of a given permutation. If the input is a matrix of permutations, invert all the permutations in the input.

Usage

inverse.permutation(perm)

Arguments

perm

a permutation or matrix of permutations

Value

• The inverse permutation. If the input is a matrix,the matrix with the inverses

Examples

inverse.permutation(c(1,2,3,4))
inverse.permutation(c(2,3,4,1))
sample <- matrix(c(1,2,3, 4,1,4,3,2,1,2,4,3), nrow = 3, ncol = 4, byrow = TRUE)
inverse.permutation(sample)