arnoldi                 Krylov Subspace Spectral Decomposition
eigen2                  Spectral Decomposition
sanic                   Solving Ax = b Nimbly in C++
solve2                  Solve Systems of Equations
solve_cg                Solve Systems of Equations Using Iterative
                        Methods
solve_chol              Solve Systems of Equations Using Direct Methods
sparsify                Transform a Matrix to Be Sparse.
svd2                    Singular Value Decomposition
