Sparse Decompositions ~~~~~~~~~~~~~~~~~~~~~ + `ludel`_ utility function used with lufact + `lufact`_ sparse lu factorization + `luget`_ extraction of sparse LU factors + `lusolve`_ sparse linear system solver + `spchol`_ sparse cholesky factorization .. _lusolve: lusolve.html .. _ludel: ludel.html .. _spchol: spchol.html .. _luget: luget.html .. _lufact: lufact.html