mm_io


mm_io, a Fortran90 code which reads and writes files in the Matrix Market (MM) format.

Licensing:

The information on this web page is distributed under the MIT license.

Languages:

mm_io is available in a C version and a Fortran77 version and a Fortran90 version and a MATLAB version.

Related Data and Programs:

mm_io_test

ccs_io, a Fortran90 code which reads and writes sparse linear systems stored in the Compressed Column Storage (CCS) format.

hb_io, a Fortran90 code which reads and writes sparse matrices stored in the Harwell-Boeing format.

hb_to_st, a Fortran90 code which converts the sparse matrix information stored in a Harwell-Boeing (HB) file into a Sparse Triplet (ST) file.

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

slap_io, a Fortran90 code which reads and writes files describing sparse matrices used by slap().

st_io, a Fortran90 code which reads and writes sparse linear systems stored in the Sparse Triplet (ST) format.

test_matrix, a Fortran90 code which defines various test matrices.

Reference:

  1. Ronald Boisvert, Roldan Pozo, Karin Remington,
    The Matrix Market Exchange Formats: Initial Design,
    National Institute of Standards and Technology,
    NISTIR 5935, December 1996.
  2. https://math.nist.gov/MatrixMarket/, the Matrix Market web site.

Source Code:


Last revised on 29 February 2024.