API for combinatorics

by Mark Engelberg

Usage:

(ns your-namespace
  (:require clojure.contrib.combinatorics))

Overview

Efficient, functional algorithms for generating lazy
sequences for common combinatorial functions. (See the source code 
for a longer description.)

function

Usage: (cartesian-product & seqs)

All the ways to take one item from each sequence

function

Usage: (combinations items n)

All the unique ways of taking n different elements from items

function

Usage: (lex-permutations c)

Fast lexicographic permutation generator for a sequence of numbers

function

Usage: (permutations items)

All the permutations of items, lexicographic by index

function

Usage: (selections items n)

All the ways of taking n (possibly the same) elements from the sequence of items

function

Usage: (subsets items)

All the subsets of items

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