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Matrix Market
A visual repository of test data for use in comparative studies of algorithms for numerical linear algebra, featuring nearly 500 sparse matrices from a variety of applications, as well as matrix generation tools and services.
Browse
by collection
by matrix name
by generator name
the top ten

Interactive Generation
via Java (the Deli)
via a form (Lapack)

Documentation
File Formats
File Compression
Matrix Structure Plots
Matrix Cityplots
3D Interactive Cityplots
Spectral Portraits

Search
by matrix properties
by application area
by contributor
in bibliography

Software
Matrix Market I/O:
... in C, Fortran, Matlab
Harwell-Boeing I/O:
... in C, Fortran, Matlab
BeBOP Format Conversion Utility

Other Resources
Bibliography
Glossary
Related sites

Background
Welcome
What's New
What's Coming
Credits

Sponsors
NIST
ITL
TEMSS
MCSD
DARPA

Contact Us

This Web service is mirrored in Japan by the PHASE project of the Japanese National Institute of Advanced Industrial Science and Technology. .

The Matrix Market is a service of the Mathematical and Computational Sciences Division of the Information Technology Laboratory of the National Institute of Standards and Technology. Development Status: Minimal Maintenance. Certain commercial products are cited within these Web pages in order to document the Matrix Market and its repository contents. Mention of such products does not imply recommendation or endorsement by NIST, nor does it imply that these products are the best suited to the purpose. We conform to the NIST Privacy Policy.

Last change in this page: 10 May 2007