sub-APV-method: Retrieve an Amalgam by Index

In trotter: Pseudo-Vectors Containing All Permutations, Combinations and Subsets of Objects Taken from a Vector.

Description

Access an amalgam (permutation with replacement) stored in an APV instance by index.

Usage

## S4 method for signature 'APV'
x[i, j, drop]

Arguments

x	an instance of APV.
i	an index specifying the position of the sought amalgam
j	not used.
drop	not used.

Details

The amalgam 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.

Value

the amalgam located at position i in pseudo-vector x

See Also

Permutations Pseudo-Vector ppv

Combinations Pseudo-Vector cpv

Selections Pseudo-Vector spv

Subsets Pseudo-Vector sspv

trotter documentation built on May 2, 2019, 1:27 p.m.