parsec (version 1.1.1)

is.linext: is.linext

Description

The function returns whether the input argument order is a linear extension of the poset represented by the incidence matrix z.

Usage

is.linext(order, z)

Arguments

order

ranks of the poset elements (as rows and columns of z matrix) defining a linear order

z

incidence matrix.

Examples

Z <- getzeta(var2prof(varlen = c(3, 3)))
ranks <- c(1, 4, 2, 3, 5, 7, 6, 8, 9)
names(ranks) <- rownames(Z)
ranks
is.linext(order = ranks, z = Z)