Read and Write Sparse Triplet (ST) Matrix Files.

ST_IO, a C++ code which reads and writes files in the Sparse Triplet (ST) format used for storing sparse matrices.


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


ST_IO is available in a C version and a C++ version and a FORTRAN90 version and a MATLAB version and a Python version.

Related Data and Programs:

CC_IO, a C++ library which reads and writes sparse linear systems stored in the Compressed Column (CC) format.

CC_TO_ST, a C++ library which converts a sparse matrix from compressed column (CC) to sparse triple (ST) format.


ST_TO_CC, a C++ library which converts sparse matrix data from Sparse Triplet (ST) format to Compressed Column (CC) format.

Source Code:

Last revised on 19 April 2020.