Suitesparse is a collection of libraries for computations involving sparse matrices. The package includes the following libraries: . AMD approximate minimum degree ordering . BTF permutation to block triangular form (beta) . COLAMD column approximate minimum degree ordering . CCOLAMD constrained column approximate minimum degree ordering . CHOLMOD sparse Cholesky factorization . CSparse a concise sparse matrix package . CXSparse CSparse extended: complex matrix, int and long int support . KLU sparse LU factorization, primarily for circuit simulation . LDL a simple LDL' factorization . UMFPACK sparse LU factorization . UFconfig configuration file for all the above packages. . This package contains the user guides.