**Math::Combinatorics - Perform combinations and permutations on lists**++

Combinatorics is the branch of mathematics studying the enumeration, combination, and permutation of sets of elements and the mathematical relations that characterize their properties. As a jumping off point, refer to: http://mathworld.wolfram.com/Co...

ALLENDAY/Math-Combinatorics-0.09 (4 reviews) - 12 Dec 2006 07:04:03 GMT - Search in distribution**Math::Counting - Combinatorial counting operations**++

Compute the factorial, number of permutations and number of combinations. The ":big" functions are wrappers around "bfac" in Math::BigInt with a bit of arithmetic between. Also the "bperm" function accepts an additional boolean to indicate repetition...

GENE/Math-Counting-0.1304 (1 review) - 30 Aug 2014 13:24:27 GMT - Search in distribution**Math::DyckWords - Perl module for generating Dyck words. Dyck words are named after the mathematician Walther von Dyck.**++

Dyck words are even numbered string of X's and Y's, or 0's and 1's, or any other binary alphabet for that matter, such that no initial segment has more Y's or 1's. The following are the Dyck words of length 2n where n = 3: 000111 010011 010101 001101...

MMERTEL/Math-DyckWords-0.03 - 14 Apr 2010 03:48:57 GMT - Search in distribution**Math::Prime::Util - Utilities related to prime numbers, including fast sieves and factoring**7 ++

A module for number theory in Perl. This includes prime sieving, primality tests, primality proofs, integer factoring, counts / bounds / approximations for primes, nth primes, and twin primes, random prime generation, and much more. This module is th...

DANAJ/Math-Prime-Util-0.49 - 01 Dec 2014 03:52:41 GMT - Search in distribution**Cluster::Similarity - compute the similarity of two classifications.**++

Computes the similarity of two word clusterings using several clustering similarity measures. Consider for eg. the following groupings: clustering_1: { {a, b, c}, {d, e, f} } clustering_2: { {a, b}, {c, d, e}, {f} } Cluster similarity measures provid...

INGRIF/Cluster-Similarity-v0.02 - 18 Jan 2009 15:50:21 GMT - Search in distribution**Chemistry::Harmonia - Decision of simple and difficult chemical puzzles.**++

The module provides the necessary subroutines to solve some puzzles of the general inorganic and physical chemistry. The methods implemented in this module, are all oriented to known rules and laws of general and physical chemistry....

DONANGEL/Chemistry-Harmonia-0.118 - 18 May 2013 20:01:04 GMT - Search in distribution**Math::NumSeq::Factorials - factorials i! = 1*2*...*i**2 ++

The factorials being product 1*2*3*...*i, 1 to i inclusive. 1, 2, 6, 24, 120, 720, ... starting i=1...

KRYDE/Math-NumSeq-71 - 29 Jun 2014 03:43:45 GMT - Search in distribution**Algorithm::Combinatorics - Efficient generation of combinatorial sequences**14 ++

Algorithm::Combinatorics is an efficient generator of combinatorial sequences. Algorithms are selected from the literature (work in progress, see "REFERENCES"). Iterators do not use recursion, nor stacks, and are written in C. Tuples are generated in...

FXN/Algorithm-Combinatorics-0.27 (2 reviews) - 10 Feb 2012 23:00:53 GMT - Search in distribution**Bundle::Advent::Year2007 - Modules of the 2007 Perl Advent Calendar**++

DAVIDRW/Advent-Bundles-0.05 - 21 Feb 2011 18:30:09 GMT - Search in distribution

**Data::Entropy::Algorithms - basic entropy-using algorithms**4 ++

This module contains a collection of fundamental algorithms that use entropy. They all use the entropy source mechanism described in Data::Entropy....

ZEFRAM/Data-Entropy-0.007 - 27 Apr 2011 20:03:17 GMT - Search in distribution**Telephone::Mnemonic::US::Math - Helper module that for combinatorics pertaining to mnemonic calculations**++

IOANNIS/Telephone-Mnemonic-US-0.07 - 17 Oct 2011 09:40:11 GMT - Search in distribution

**Math::PlanePath::HilbertCurve - 2x2 self-similar quadrant traversal**2 ++

This path is an integer version of the curve described by David Hilbert in 1891 for filling a unit square. It traverses a quadrant of the plane one step at a time in a self-similar 2x2 pattern, ... | | 7 | 63--62 49--48--47 44--43--42 | | | | | | 6 |...

KRYDE/Math-PlanePath-118 - 01 Mar 2015 13:05:01 GMT - Search in distribution