trotter (version 0.6)

length,CPV-method: Combinations Pseudo-Vector Length

Description

Get the length of a CPV instance.

Usage

"length"(x)

Arguments

x

an instance of CPV

Value

the number of combinations in pseudo-vector x

Details

Since x contains all the k-combinations of objects in vector items, length(x) will return choose(length(items), k).

See Also

Permutations Pseudo-Vector ppv

Amalgams Pseudo-Vector apv

Selections Pseudo-Vector spv

Subsets Pseudo-Vector sspv