st_io

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

Licensing:

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

Languages:

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:

ccs_io, a MATLAB code which reads and writes sparse linear systems stored in the compressed column storage (ccs) format.

ccs_to_st, a MATLAB code which converts a sparse matrix from compressed column storage (ccs) to sparse triple (st) format.

mm_to_st, a MATLAB code 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 code 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_io_test

st_to_ccs, a MATLAB code which converts sparse matrix data from sparse triplet (st) format to compressed column storage (ccs) format.

st_to_mm, a MATLAB code which converts a sparse matrix file from st format to mm format (matrix market format);

st_to_msm, a MATLAB code which reads an st sparse triplet file and creates a corresponding MATLAB sparse matrix.

Source Code:

• dif2_st.m, sets up the second difference matrix in sparse triplet format.
• i4st_data_read.m, reads the data of an I4ST file.
• i4st_header_print.m, prints the header of an I4ST file.
• i4st_header_read.m, reads the header of an I4ST file.
• i4st_print.m, prints an I4ST file.
• i4st_print_some.m, prints some of an I4ST file.
• i4st_sort_a.m, sorts the entries of an I4ST matrix by column.
• i4st_transpose.m, transposes an I4ST matrix.
• i4st_write.m, writes an I4ST file.
• sort_heap_external.m, externally sorts a list of items into ascending order.
• r8st_data_read.m, reads the data of an R8ST file.
• r8st_header_print.m, prints the header of an R8ST file.
• r8st_header_read.m, reads the header of an R8ST file.
• r8st_print.m, prints an R8ST file.
• r8st_print_some.m, prints some of an R8ST file.
• r8st_sort_a.m, sorts the entries of an R8ST matrix by column.
• r8st_transpose.m, transposes an R8ST matrix.
• r8st_write.m, writes an R8ST file.