LDL

This is a package written by Helfried Peyrl that computes the LDL' factorization of a positive semidefinte matrix. See the documentation.

Macaulay2
- a software system for research in algebraic geometry
Search
- the web site:
- just the documentation (version 1.3.1):
Getting Started
Screenshots
Documentation
- Selected links:
- Table of contents
- Symbol index
Community
- Google discussion group
- Projects undertaken or proposed
- Macaulay2 Wiki, to be reorganized soon
- Announcements: send email to register for the mailing list
Downloads
- (the current stable version is 1.3.1, release in progress, November 4, 2009)
- Related links:
- Changes in version 1.3.1
- Changes in version 1.3
- Packages for Macaulay2 that extend its functionality
- Answers to questions about past releases

Events
- Future events:
- 2010/01: workshop, MSRI
Publications
- Selected links:
- The Journal of Software for Algebra and Geometry: Macaulay2
- Computations in algebraic geometry with Macaulay 2, a book
- Papers referring to Macaulay2
- How to cite Macaulay2
Acknowledgments
- Contributors
- Software libraries
- Funding
- Macaulay, the predecessor of Macaulay2
- Francis Macaulay, the mathematician after whom Macaulay2 is named
A random paper referring to Macaulay2:
A random Macaulay2 documentation node: