trotter (version 0.6)

[,PPV-method: Retrieve a Permutation by Index

Description

Access a permutation stored in a PPV instance by index.

Usage

"["(x, i, j, drop)

Arguments

x

an instance of PPV.

i

an index specifying the position of the sought permutation.

j

not used.

drop

not used.

Value

the permutation located at position i in pseudo-vector x

Details

The permutation at index i of pseudo-vector x is not actually stored in memory but calculated as needed. The extract method is used solely for interpretation.

See Also

Combinations Pseudo-Vector cpv

Amalgams Pseudo-Vector apv

Selections Pseudo-Vector spv

Subsets Pseudo-Vector sspv