HB_TO_MM
Harwell Boeing Sparse Matrix File
converted to
Matrix Market Sparse Matrix File

HB_TO_MM is a MATLAB program which accepts the name of a file containing a sparse matrix in the Harwell Boeing Sparse Matrix File Format, and which reads that data and writes a corresponding Matrix Market sparse matrix file.

Licensing:

The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.

Related Data and Programs:

HB, a dataset directory which contains a collection of sparse matrices in the HB format.

HB_IO, a MATLAB library which reads and writes Harwell-Boeing files, used by HB_TO_MSM.

HB_TO_MSM, a MATLAB program which converts a sparse matrix stored in a Harwell Boeing file to MATLAB sparse matrix format;

HB_TO_ST, a MATLAB program which converts a sparse matrix from Harwell-Boeing to sparse triplet format.

HBSMC, a dataset directory which contains the Harwell Boeing Sparse Matrix Collection;

MM, a data directory which contains a description and examples of the Matrix Market format for storing matrices.

MM_IO, a MATLAB library which reads and writes sparse linear systems stored in the Matrix Market format.

MM_TO_HB, a MATLAB program which reads the sparse matrix information from an MM Matrix Market file and writes a corresponding HB Harwell Boeing file.

Reference:

1. Iain Duff, Roger Grimes, John Lewis,
   User's Guide for the Harwell-Boeing Sparse Matrix Collection,
   October 1992..
2. http://math.nist.gov/MatrixMarket/ the Matrix Market web site.
3. Ronald Boisvert, Roldan Pozo, Karin Remington,
   The Matrix Market Exchange Formats: Initial Design,
   National Institute of Standards and Technology,
   NISTIR 5935, December 1996.

Source Code:

• hb_to_mm.m, the source code.

Examples and Tests:

• rua_32.hb, an HB file.
• rua_32.mm, the MM file created by HB_TO_MM.

You can go up one level to the MATLAB source codes.