Math Algorithm

Algorithm::Pair::Best is a Perl module to select pairings (designed for Go tournaments, but can be used for anything, really). SYNOPSIS use Algorithm::Pair::Best; my $pair = Algorithm::Pair::Best->new( ? options ? ); $pair->add( item, ? item, ... ? ); @pairList = $pair->pick( ? $window...

Math::TotalBuilder::Common is a Perl module with common unit sets for building totals. SYNOPSIS use Math::TotalBuilder; use Math::TotalBuilder::Common; # units for 952 pence my %tender = build($Math::TotalBuilder::Common::uk_money_old, 952); This package is just a set of common sets of...

Algorithm::SkipList is a Perl implementation of skip lists. SYNOPSIS my $list = new Algorithm::SkipList(); $list->insert( key1, value ); $list->insert( key2, another value ); $value = $list->find(key2); $list->delete(key1); This is an implementation of skip lists in Perl. Skip...


Platforms: *nix

Algorithm::ScheduledPath is a Perl module that helps you to find scheduled paths in a directed graph. SYNOPSIS use Algorithm::ScheduledPath; use Algorithm::ScheduledPath::Path; $graph = new Algorithm::ScheduledPath(); $graph->add_edge( { path_id => R, origin => A, depart_time => 1,...


Platforms: *nix

Math Objects is a math template library written in C++ using generic programming techniques. In order to use the "Math Objects" library, the user only has to include the header files he needs (e.g. Matrix.h, Polynomial.h etc.). In order to compile the library the user needs an ISO/IEC...


Platforms: *nix

Math::Symbolic::MiscAlgebra contains miscellaneous algebra routines like det(). SYNOPSIS use Math::Symbolic qw/:all/; use Math::Symbolic::MiscAlgebra qw/:all/; # not loaded by Math::Symbolic @matrix = ([x*y, z*x, y*z],[x, z, z],[x, x, y]); $det = det @matrix; @vector = (x, y, z);...


Platforms: *nix

Algorithm::Munkres is a Perl extension for Munkres solution to classical Assignment problem for square and rectangular matrices. This module extends the solution of Assignment problem for square matrices to rectangular matrices by padding zeros. Thus a rectangular matrix is converted to square...


Platforms: *nix

Math::String::Charset::Nested is a charset for Math::String objects. SYNOPSIS use Math::String::Charset; # construct a charset from bigram table, and an initial set (containing # valid start-characters) # Note: After an a, either an b, c or a can follow, in this order # After an d only...


Platforms: *nix

Math::String::Charset is a simple charset for Math::String objects. SYNOPSIS use Math::String::Charset; $a = new Math::String::Charset; # default a-z $b = new Math::String::Charset [a..z]; # same $c = new Math::String::Charset { start => [a..z], sep => }; # with between chars print...


Platforms: *nix

Algorithm::LUHN is a Perl module to calculate the modulus 10 double add double checksum. SYNOPSIS use Algorithm::LUHN qw/check_digit is_valid/; $c = check_digit("43881234567"); print "It worksn" if is_valid("43881234567$c"); $c = check_digit("A2C4E6G8"); # this will cause an error...


Platforms: *nix

Algorithm::AhoCorasick::SearchMachine provides an implementation and low-level interface of Algorithm::AhoCorasick. Feeds input to the state machine. First (after the instance) argument of this method is the input text (which can be empty, in which case the method doesnt do anything), second...


Platforms: *nix

Algorithm::AhoCorasick provides efficient search for multiple strings. Aho-Corasick is a classic (1975) algorithm for locating elements of a finite set of strings within an input text. It constructs a finite state machine from a list of keywords, then uses the machine to locate all occurrences...


Platforms: *nix

Math::Macopt is a Perl wrapper for macopt++, which is a conjugate gradient library. INSTALLATION The package can be installed by the standard PERL module installation procedure: perl Makefile.PL make make test make install Please noted that the original "macopt++" C++ source code is...


Platforms: *nix

Math::Fractal::DLA is a Diffusion Limited Aggregation (DLA) Generator. SYNOPSIS use Math::Fractal::DLA; $fractal = new Math::Fractal::DLA; # Dynamic loading of the subclass Math::Fractal::DLA::TYPE $fractal->setType( TYPE ); # Open the log file FILE $fractal->debug( debug => 1, logfile...


Platforms: *nix

Math::XOR is a package to handle XOR encryption of string buffers. SYNOPSIS use XOR; print xor_buf("hello", "world"), "n"; The XOR module allows you to quickly XOR two strings together. This is the only method of encryption that (assuming the randomness of the pattern used as an encryption...


Platforms: *nix

Math::Matrix can multiply and invert Matrices. The following methods are available: new Constructor arguments are a list of references to arrays of the same length. The arrays are copied. The method returns undef in case of error. $a = new Math::Matrix ([rand,rand,rand],...


Platforms: *nix

Algorithm::NeedlemanWunsch is a sequence alignment with configurable scoring. SYNOPSIS use Algorithm::NeedlemanWunsch; sub score_sub { if (!@_) { return -2; # gap penalty } return ($_[0] eq $_[1]) ? 1 : -1; } my $matcher = Algorithm::NeedlemanWunsch->new(&score_sub); my $score =...


Platforms: *nix

Algorithm::Combinatorics Perl module is an efficient generator of combinatorial sequences. SYNOPSIS use Algorithm::Combinatorics qw(permutations); my @data = qw(a b c); # scalar context gives an iterator my $iter = permutations(@data); while (my $p = $iter->next) { # ... } # list...


Platforms: *nix

Math::Bezier::Convert is a Perl module to convert cubic and quadratic bezier each other. SYNOPSIS use Math::Bezier::Convert; @new_cubic = divide_cubic($cx1, $cy1, $cx2, $cy2, $cx3, $cy3, $cx4, $cy4, $t); @new_quad = divide_quadratic($cx1, $cy1, $cx2, $cy2, $cx3, $cy3, $t); @quad =...


Platforms: *nix

Math Stars is a great educational game for children who are just learning their math skills. Addition, subtraction, multiplication, and division are all included in this program. If ten out of ten questions are answered correctly, kids get a gold star. Ultimately, kids can end up in the Hall of...


Platforms: Mac