DLAP_IO is a MATLAB library which reads and writes files in the DLAP sparse matrix format, used by DLAP, the Sparse Linear Algebra Package.
The computer code and data files made available on this web page are distributed under the GNU LGPL license.
DLAP_IO is available in a FORTRAN77 version and a FORTRAN90 version and a MATLAB version.
CC_IO, a MATLAB library which reads and writes sparse linear systems stored in the Compressed Column (CC) format.
HB_IO, a MATLAB library which reads and writes sparse linear systems stored in the Harwell-Boeing Sparse Matrix format.
MM_IO, a MATLAB library which reads and writes sparse linear systems stored in the Matrix Market format.
ST_IO, a MATLAB library which reads and writes sparse linear systems stored in the Sparse Triplet (ST) format.
You can go up one level to the MATLAB source codes.