Read and Write Sparse Triplet (ST) Matrix Files.

ST_IO, a MATLAB program which reads and writes files in the Sparse Triplet (ST) sparse matrix format.


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 MATLAB library which reads and writes sparse linear systems stored in the Compressed Column (CC) format.

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

MM_TO_ST, a MATLAB program which reads the sparse matrix information from an MM Matrix Market file and writes a corresponding ST Sparse Triplet file.

MSM_TO_ST, a MATLAB program which writes a MATLAB sparse matrix to a Sparse Triplet (ST) file;

ST, the format which is used for the input to this program.


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

ST_TO_MM, a MATLAB program which converts a sparse matrix file from ST format to MM format (Matrix Market format);

ST_TO_MSM, a MATLAB program which reads an ST sparse triplet file and creates a corresponding MATLAB Sparse Matrix.

Source Code:

Last revised on 21 March 2019.