ccs_io_test, a MATLAB code which calls ccs_io(), which reads and writes Compressed Column Storage (CCS) sparse matrix files.
The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.
ccs_io, a MATLAB code which reads and writes sparse linear systems stored in the Compressed Column Storage (CCS) format.
Test #1 and #2 write and read back the information for the "simple" 5x5 matrix with 12 nonzero entries. There are files associated with this.