power-set-x

power-set-x

Calculates the Power Set of a set S.

module.exports(value) ⇒ Array.<Array> ⏏

This method calculates the Power Set of value. Array sparseness is ignored.

In mathematics, the power set (or powerset) of any set S, written P(S), ℘(S), P(S), ℙ(S) or 2S, is the set of all subsets of S, including the empty set and S itself.

Kind: Exported function
Returns: Array.<Array> - The power set of value.
See: http://en.wikipedia.org/wiki/Power_set

Param	Type	Description
value	Array	The array like value to get the power set of.

Example

import powerSet from 'power-set-x';

console.log(powerSet([1, 2, 3])); // [[], [3], [2], [2, 3], [1], [1, 3], [1, 2], [1, 2, 3]]