Helper functions for finding discrete values

*_discrete_finite finds discrete values from a finite set of possibilities. *_discret_natural finds discrete values amongst the natural numbers (including 0).

Usage

next_discrete_finite(x, from, n, include_from)

prev_discrete_finite(x, from, n, include_from)

next_discrete_natural(from, n, include_from)

prev_discrete_natural(from, n, include_from)

Arguments

x

A vector of all possible discrete values.

n

Number of discrete values to find.