PLASMA_MATRIX
Demonstrate Use of Harwell-Boeing Sparse Matrix Format

PLASMA_MATRIX, a MATLAB library which demonstrates how a MATLAB sparse matrix can be written to a Harwell-Boeing sparse matrix file for storage or transfer, and then later retrieved.

Licensing:

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

Languages:

PLASMA_MATRIX is available in a MATLAB version.

Related Data and Programs:

HB_IO, a MATLAB library which reads and writes sparse linear systems stored in the Harwell-Boeing Sparse Matrix format.

HB_TO_MSM, a MATLAB program which converts a Harwell Boeing sparse matrix to MATLAB sparse matrix 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.

MM_TO_MSM, a MATLAB program which reads a Matrix Market file defining a sparse matrix, and creates a corresponding MATLAB sparse matrix data structure.

MSM_TO_HB, a MATLAB program which writes a MATLAB sparse matrix to a Harwell Boeing (HB) file, by Xiaoye Li.

MSM_TO_MM, a MATLAB program which writes a MATLAB sparse matrix to a Matrix Market (MM) file;

plasma_matrix_test

ST_TO_HB, a MATLAB program which converts a sparse matrix file from ST format to Harwell Boeing (HB) format;

TEST_MAT, a MATLAB library which defines test matrices with known inverses, determinants, eigenvalues and so on.

Author:

James Cheung wrote the code that defines the plasma matrix.

Reference:

1. Iain Duff, Roger Grimes, John Lewis,
   User's Guide for the Harwell-Boeing Sparse Matrix Collection,
   October 1992.

Source Code:

• hb_to_msm.m, creates a MATLAB Sparse matrix from data in a Harwell Boeing Sparse Matrix file.
• msm_to_hb.m, writes a MATLAB Sparse matrix to a Harwell Boeing Sparse Matrix file.
• plasma_matrix.m, computes a jacobian matrix J and residual function F associated with a plasma simulation on an N by N grid.
• timestamp.m, prints the current YMDHMS date as a timestamp.