Math Parser Books

Math::HashSum can sum a list of key-value pairs on a per-key basis. SYNOPSIS use Math::HashSum qw(hashsum); my %hash1 = (a=>.1, b=>.4); my %hash2 = (a=>.2, b=>.5); my %sum = hashsum(%hash1,%hash2); print "$sum{a}n"; # Prints .3 print "$sum{b}n"; # Prints .9 This module allows you to...

Math::Numbers is a Perl module that contains methods for mathematical approaches of concepts of the number theory. SYNOPSIS use Math::Numbers; my $a = 123; my $b = 34; my $numbers = Math::Numbers->new($a, $b [, ...]); print "They are coprimes (relatively primes)!n" if...

HTMLParser is a super-fast real-time parser for real-world HTML. What has attracted most developers to HTMLParser has been its simplicity in design, speed and ability to handle streaming real-world html. The two fundamental use-cases that are handled by the parser are extraction and...


Platforms: *nix

DNS name parser is a Java utility library for parsing dns names, ip and hw addresses. Synopsis import su.netdb.parser.*; Parser parser = new Parser(); Hashtable result = parser.parse(str); System.out.println("string: "+result.get("string")); System.out.println("hw: "+result.get("hw"));...


Platforms: *nix

BBCode::Parser is a Perl module that parses BBCode tags. BBCode is a simplified markup language used in several online forums and bulletin boards. It originated with phpBB, and remains most popular among applications written in PHP. Generally, users author their posts in BBCode, and the forum...


Platforms: *nix

Math::CDF is a Perl module to generate probabilities and quantiles from several statistical probability functions. SYNOPSIS use Math::CDF; $prob = &Math::CDF::pnorm(1.96); if( not defined($z = &Math::CDF::qnorm(0.975)) ) { die "qnorm() failed"; } or use Math::CDF qw(:all); $prob =...


Platforms: *nix

CQL::Parser is a Perl module that compiles CQL strings into parse trees of Node subtypes. SYNOPSIS use CQL::Parser; my $parser = CQL::Parser->new(); my $root = $parser->parse( $cql ); CQL::Parser provides a mechanism to parse Common Query Language (CQL) statements. The best description of...


Platforms: *nix

XML::Checker::Parser is an XML::Parser that validates at parse time. SYNOPSIS use XML::Checker::Parser; my %expat_options = (KeepCDATA => 1, Handlers => [ Unparsed => &my_Unparsed_handler ]); my $parser = new XML::Checker::Parser (%expat_options); eval { local $XML::Checker::FAIL =...


Platforms: *nix

XML::Parser::EasyTree is an easier tree style for XML::Parser. SYNOPSIS use XML::Parser; use XML::Parser::EasyTree; $XML::Parser::Easytree::Noempty=1; my $p=new XML::Parser(Style=>EasyTree); my $tree=$p->parsefile(something.xml); XML::Parser::EasyTree adds a new "built-in" style called...


Platforms: *nix

Math::Vec is a Object-Oriented Vector Math Methods in Perl. SYNOPSIS use Math::Vec; $v = Math::Vec->new(0,1,2); or use Math::Vec qw(NewVec); $v = NewVec(0,1,2); @res = $v->Cross([1,2.5,0]); $p = NewVec(@res); $q = $p->Dot([0,1,0]); or use Math::Vec qw(:terse); $v = V(0,1,2); $q...


Platforms: *nix

MIME::Parser is a experimental class for parsing MIME streams. SYNOPSIS Before reading further, you should see MIME::Tools to make sure that you understand where this module fits into the grand scheme of things. Go on, do it now. Ill wait. Ready? Ok... Basic usage examples ### Create a...


Platforms: *nix

Math::Telephony::ErlangC is a Perl extension for Erlang C calculations. SYNOPSIS use Math::Telephony::ErlangC; # Evaluate probability that a service request will have to wait $wprob = wait_probability($traffic, $servers); # Probability that the wait time will be less than a fixed maximum...


Platforms: *nix

Math::Telephony::ErlangB is a Perl extension for Erlang B calculations. SYNOPSIS use Math::Telephony::ErlangB qw( :all ); # Evaluate blocking probability $bprob = blocking_probability($traffic, $servers); $gos = gos($traffic, $servers); # Same result as above # Dimension minimum number...


Platforms: *nix

Math::BaseCalc is a Perl module that can convert numbers between various bases. SYNOPSIS use Math::BaseCalc; my $calc = new Math::BaseCalc(digits => [0,1]); #Binary my $bin_string = $calc->to_base(465); # Convert 465 to binary $calc->digits(oct); # Octal my $number =...


Platforms: *nix

Math::BaseArith is a Perl extension for mixed-base number representation (like APL encode/decode). SYNOPSIS use Math::BaseArith; encode( value, base_list ); decode( representation_list, base_list ); The inspiration for this module is a pair of functions in the APL programming language...


Platforms: *nix

Uppaal Timed Automata Parser Library (libutap) is the parser library used by UPPAAL..


Platforms: *nix

Polymorphic XML Parser is a validating XML parser for the programming language Objective Caml. In October, 1999, I started writing a validating XML parser for OCaml; the first published versions have been called "Markup" (simply because the package name was "markup"). After this parser had some...


Platforms: *nix

regular expression parser is a C++ regexp parser that accomplishes The Open Group specification Issue 6, IEEE Std 1003.1, 2004 Edition. regular expression parser allows you to parse input using regular expressions, and to retrieve parsed sub-expression matches in a few steps..


Platforms: *nix

Math::Pari is a Perl interface to PARI. SYNOPSIS use Math::Pari; $a = PARI 2; print $a**10000; or use Math::Pari qw(Mod); $a = Mod(3,5); print $a**10000; This package is a Perl interface to famous library PARI for numerical/scientific/number-theoretic calculations. It allows use of...


Platforms: *nix

IAM OPML Parser Class parses an OPML file (provided its URL) and returns an array. OPML (Outline Processor Markup Language) is an XML format for outlines. Originally developed by Radio UserLand as a native file format for an outliner application, it has since been adopted for other uses, the...


Platforms: *nix