mm_io, a C code which reads and writes files in the Matrix Market (MM) format.
The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.
mm_io is available in a C version and a FORTRAN90 version and a MATLAB version.
CC_IO, a C code which reads and writes sparse linear systems stored in the Compressed Column (CC) format.
MM, a data directory which contains a description and examples of the Matrix Market format for storing matrices.
SPARSE_DISPLAY, a C code which can read information defining a matrix of numbers and display the sparsity pattern or location of the nonzero elements using gnuplot. This operation is already available in the built-in MATLAB "spy" command.
ST_IO, a C code which reads and writes sparse linear systems stored in the Sparse Triplet (ST) format.