rje (version 1.10.10)

powerSet: Power Set

Description

Produces the power set of a vector.

Usage

powerSet(x, m, rev = FALSE)

Arguments

x

vector of elements (the set).

m

maximum cardinality of subsets

rev

logical indicating whether to reverse the order of subsets.

Value

A list of vectors of the same type as x.

With rev = FALSE (the defualt) the list is ordered such that all subsets containing the last element of x come after those which do not, and so on.

Details

Creates a list containing every subset of the elements of the vector x.

See Also

powerSetMat.

Examples

# NOT RUN {
powerSet(1:3)
powerSet(letters[3:5], rev=TRUE)
powerSet(1:5, m=2)

# }