st_to_ge

st_to_ge, a Python code which converts information describing a sparse matrix from sparse triplet (ST) format to General (GE) format.

Licensing:

The information on this web page is distributed under the MIT license.

Languages:

st_to_ge is available in a MATLAB version and an Octave version and a Python version.

Related Data and Programs:

r8ge, a Python code which contains linear algebra routines for r8ge matrices (real, 64 bit, General format).

r8st, a Python code which contains linear algebra routines for r8st matrices (real, 64 bit, Sparse Triplet (ST) (I,J,AIJ) format).

st, a data directory which contains examples of the Sparse Triplet (ST) format, a sparse matrix file format, storing just (I,J,A(I,J)), and using zero-based indexing.

st_io, a Python code which reads and writes sparse linear systems stored in the ST "sparse triplet" Sparse Matrix format.

st_to_ccs, a Python code which converts a sparse matrix from Sparse Triplet (ST) format to Compressed Column Storage (CCS) format.

wathen_matrix, a Python code which compares storage schemes (full, banded, sparse triplet) and solution strategies (Linpack full, Linpack banded, conjugate gradient (CG)) for linear systems involving the Wathen matrix, which can arise when solving a problem using the finite element method (FEM).

Source Code:

• st_to_ge.py, calls all the tests.
• st_to_ge.sh, runs all the tests.
• st_to_ge.txt, the output file.