poseticDataAnalysis (version 1.0.0)

IsMinimal: Checking minimality.

Description

Checks whether the input element is minimal in the input poset.

Usage

IsMinimal(poset, element)

Value

A boolean value.

Arguments

poset

An object of S4-class POSet. Argument poset must be created by using any function contained in the package aimed at building object of S4 class POSet (e.g. POSet(), LinearPOSet(), ProductPOSet(), ...) .

element

A character string (the name of the input element).

Examples

elems <- c("a", "b", "c", "d")

dom <- matrix(c(
  "a", "b",
  "c", "b",
  "b", "d"
), ncol = 2, byrow = TRUE)

pos <- POSet(elements = elems, dom = dom)

chk <- IsMinimal(pos, "a")