Math::MatrixReal 2.03 (Default branch)

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Math::MatrixReal 2.03 (Default branch)

Math::MatrixReal is a Perl module for manipulating NxM real matrices. Some of the notable features are operator overloading, LR decomposition, eigenvalue/eigenvector algorithms for symmetric matrices, and export to Matlab/LaTeX/Yacas formats. License: Perl License Changes:
This release uses Module::Build, so Math::MatrixReal should in theory be able to compile on systems without make. A new concatenation operator ".", e.g. $c = $a . $b, concatenates two matrices side-by-side. The function assign_row has been added. The beginning of a test suite overhaul to convert to Test::More.

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math::polygon::convex

Math::Polygon::Convex(3pm)				User Contributed Perl Documentation				Math::Polygon::Convex(3pm)

NAME

       Math::Polygon::Convex - Collection of convex algorithms

INHERITANCE

	Math::Polygon::Convex
	  is a Exporter

SYNOPSIS

	use Math::Polygon::Convex  qw/chainHull_2D/;

	my @points = ( [1,2], [2,4], [5,7], [1,2] );
	my $poly   = chainHull_2D @points;

DESCRIPTION

       The "convex polygon" around a set of points, is the polygon with a minimal size which contains all points.

       This package contains one convex calculation algorithm, but may be extended with alternative implementations in the future.

FUNCTIONS

       chainHull_2D(POINTS)
	   Each POINT is an ARRAY of two elements: the X and Y coordinate of a point.  Returned is the enclosing convex Math::Polygon object.

	   Algorithm by Dan Sunday, http://geometryalgorithms.com/Archive/algorithm_0109/algorithm_0109.htm

SEE ALSO

       This module is part of Math-Polygon distribution version 1.02, built on September 19, 2011. Website: http://perl.overmeer.net/geo/

LICENSE

       Copyrights 2004,2006-2011 by Mark Overmeer. For other contributors see ChangeLog.

       This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.  See
       http://www.perl.com/perl/misc/Artistic.html

perl v5.12.4							    2011-09-19						Math::Polygon::Convex(3pm)

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